Data as at 14 September 2026 · from the Queensland EP Act public register
EPML00693413 · KESTREL COAL RESOURCES PTY LTD
Coal environmental authority EPML00693413 (KESTREL COAL RESOURCES PTY LTD), Granted. 160 conditions indexed. Holds PRC plan P-PRCP-100875920.
- Status
- Granted
- Holders
- KESTREL COAL RESOURCES PTY LTD; MITSUI KESTREL COAL INVESTMENT PTY LIMITED
- Tenures
- ML1978; ML70301; ML70302; ML70330; ML70481
- PRC plan
- P-PRCP-100875920 · effective 2025-11-21
- How it was read
- Numbered conditions
- Register
- Register record · Instrument PDF
Conditions
160 numbered conditions read from the current instrument. Page numbers link into the register PDF.
- A1
The conditions of this environmental authority are in force until a surrender of the authority is accepted pursuant to the Environmental Protection Act 1994.
- A2
Maintenance and operation of plant and equipment The holder of this environmental authority must: a) install all measures, plant and equipment necessary to ensure compliance with the conditions of this environmental authority; b) maintain such measures, plant and equipment in a proper and efficient condition; c) operate such measures, plant and equipment in a proper and efficient manner; and d) ensure all instruments and devices used for the measurement or monitoring of any parameter under any condition of this environmental authority are properly calibrated.
- A3
Monitoring Record, compile and keep for a minimum of five (5) years all monitoring results required by this environmental authority and make available for inspection all or any of these records upon request by the administering authority.
- A4
Where monitoring is a requirement of this environmental authority, ensure that a competent person(s) conducts all monitoring.
- A5
Monitoring results for rehabilitation will need to be kept until final surrender is accepted.
- A6
Storage and handling of flammable and combustible liquids Spillage of all flammable and combustible liquids must be contained within an on-site containment system and controlled in a manner that prevents environmental harm (other than trivial harm) and maintained in accordance with section 5.8 of AS 1940 - Storage and Handling of Flammable and Combustible Liquids of 2004, or later versions thereof.
- A7
Definitions Words and phrases used throughout this environmental authority are defined in Definitions. Where a definition for a term used in this environmental authority is sought and the term is not defined within this environmental authority, the definitions in the Environmental Protection Act 1994, its Regulations and Environmental Protection Policies must be used.
- A8
Notification of emergencies, incidents and exceptions The environmental authority holder must notify the administering authority in writing as soon as reasonably practicable, but within twenty-four (24) hours, after becoming aware of any emergency or incident resulting in, or having the potential to cause, environmental harm. Permit Environmental authority
- A9
The notification of emergencies or incidents as required by condition A8 must include but not be limited to the following: a) the environmental authority number and name of holder; b) the name and telephone number of the designated contact person; c) the location of the emergency or incident; d) the date and time of the incident; e) the time the holder of the environmental authority became aware of the release; f) the estimated quantity and type of any substances involved in the incident; g) the likely cause of the incident; h) a description of the effects of the incident including environmental harm caused, threatened, or suspected to be caused by the incident; i) any sampling conducted or proposed, relevant to the emergency or incident; and j) immediate actions taken to prevent or mitigate any further environmental harm caused by the emergency or incident.
- A10
Within fourteen (14) days following the initial notification of an emergency or incident further written advice must be provided to the administering authority, including the following: a) results and interpretation of any samples taken and analysed; b) outcomes of actions taken at the time to prevent or minimise environmental harm; and c) proposed actions to prevent a recurrence of the emergency or incident.
- A11
Complaints The holder of this environmental authority must record all environmental complaints received about the mining activities including the following details: a) name, address and contact number for/of the complainant; b) time and date of complaint; c) reasons for the complaint; d) investigations undertaken; e) conclusions formed; f) actions taken to resolve the complaint; g) any abatement measures implemented; and h) person responsible for resolving the complaint.
- A12
In carrying out the mining activities authorised by this environmental authority, the holder of this environmental authority must comply with Figure 2: Approved Kestrel Mine Disturbance Areas.
- A13
Construction of a 1.38ha Coal Mine Waste Gas Power Station is authorised within the area defined in Figure 3: Kestrel Coal Mine Waste Gas Power Station Investigation Area. Permit Environmental authority Schedule B: Air Condition Condition number
- B1
Dust nuisance Subject to conditions B2 and B3 the release of dust or particulate matter or both resulting from the mining activity must not cause an environmental nuisance, at any sensitive or commercial place.
- B2
When requested by the administering authority, dust and particulate monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.
- B3
Monitoring will be undertaken at the source of the complaint.
- B4
If in response to a breach under condition B1 the environmental authority holder can provide evidence through monitoring that the following limits are not being exceeded then the holder is not in breach of B1: a) Dust deposition of 120 milligrams per square metre per day, averaged over one (1) month, when monitored in accordance with AS 3580.10.1 Methods for sampling and analysis of ambient air - Determination of particulates - Deposited matter -Gravimetric method of 1991; and b) A concentration of particulate matter with an aerodynamic diameter of less than ten (10) micrometre (-m) (PM10) suspended in the atmosphere of 50 micrograms per cubic metre over a twenty (24) hour averaging time, at a sensitive or commercial place downwind of the operational land, when monitored in accordance with the most recent version of either: i. Australian Standard AS3580.9.6 Methods for sampling and analysis of ambient air-- Determination of suspended particulate matter--PM10 high-volume sampler with size- selective inlet - Gravimetric method; ii. Australian Standard AS 3580.9.9 Methods for sampling and analysis of ambient air - Determination of suspended particulate matter--PM10 high volume sampler with size- selective inlet - Gravimetric method of 1990; or iii. Any alternative method of sampling PM10, which may be permitted by the Air Quality Sampling Manual as published from time to time by the administering authority.
- B5
If monitoring indicates exceedance of the relevant limits in condition B4, then the environmental authority holder must: a) address the complaint including the use of appropriate dispute resolution if required; and b) immediately implement dust abatement measures so that emissions of dust from the activity do not result in further environmental nuisance.
- B6
The method of monitoring and assessment must be consistent with the nature of the complaint and agreed in writing with the administering authority. Permit Environmental authority
- B7
Noxious or Offensive Odour Odours or airborne contaminants which are noxious or offensive or otherwise unreasonably disruptive to public amenity or safety resulting from the mining activity must not cause nuisance to any sensitive place or commercial place.
- B8
Contaminants from the power station stacks must only be released to air in accordance with Table B1: Point source air release limits, Figure 3: Approved Kestrel Mine Disturbance Areas and Figure 5: Kestrel Coal Mine Waste Gas Power Station Infrastructure. Table B1: Point source air release limits Minimum release Minimum Contaminant Maximum Monitoring Frequency height above velocity release release limit Release point ground (metres) (m/sec) (see Note 1) Power Generator Oxides of Nitrogen 450 mg/Nm3 All stacks must be monitored for Stacks PS1 to PS9 (as NO2 equivalent) (dry) @ 7% O2 the contaminants within three (serving nine months of commissioning of the stationary 12.7 29.5 Volatile Organic facility and three stacks must be reciprocating Compounds (VOC) 40 mg/Nm3 monitored annually thereafter on internal combustion (as n-propane (dry) @ 7% O2 rotational basis (see Note 2). engines) equivalent) Note 1: The NOx and VOC release limits are applicable during all timings except start-up and shut-down. The start-up duration is allowed up to 30 minutes. Note 2: Monitoring of three stacks annual on rotational basis means that three stacks out of total nine stacks must be selected for monitoring purpose in such a way that all nine stacks will be monitored over a three year period. Associated requirements 1) The release of contaminants from a point source must be directed vertically upwards without any impedance or hindrance. 2) Monitoring must be undertaken during a release and at the authorised release points, frequency and for the contaminants specified in Table B1. 3) Monitoring must be undertaken when emissions are expected to be representative of actual operating conditions for the sample period. 4) All monitoring devices must be effectively calibrated and maintained in accordance with the manufacturer's instructions and Australian and international standards. 5) Air Monitoring must be in accordance with the current edition of the administering authority's Air Quality Sampling Manual. If monitoring requirements are not described in the department's Air Quality Sampling Manual, monitoring protocols must be in accordance with a method as approved by New South Wales EPA, or United States EPA. 6) Monitoring for the release points (stack) listed in Table B1 must comply with the Australian Standard AS 4323.1 - 1995 "Stationary source emissions Method 1: Selection of sampling positions". 7) All air emission stack monitoring must be conducted by a competent person or body which holds current National Association of Testing Authorities (NATA) accreditation. 8) The following tests must be performed for each required determination specified in Table B1: (i) gas velocity and volume flow rate; (ii) temperature and oxygen content; and
- B9
All release points referred to in Table B1: Point source air release limits must be clearly visible with the corresponding release point number.
- B10
The only type of fuel to be burnt in the coal mine waste gas power station is coal mine waste gas produced at the Kestrel Coal Mine.
- B11
Venting and flaring of coal mine waste gas must only occur: a) prior to the operation of the CMWG power station; or b) during periods of excess gas that exceeds the CMWG power station's capacity including periods where the CMWG power station is undergoing maintenance; or c) during periods where the CMWG power station is not operational; or d) during periods where coal mine waste gas must be drained for the safe operation of the mine.
- B12
When requested by the administering authority, odour monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.
- B13
If monitoring indicates condition B7 is not being met, then the environmental authority holder must: a) address the complaint including the use of appropriate dispute resolution if required; and b) immediately implement odour and/or airborne contaminant abatement measures so that emissions of odour or airborne contaminants from the mining activity do not result in further environmental nuisance.
- B14
Lighting and aesthetic amenity Lighting and aesthetic amenity resulting from mining activities must not cause environmental nuisance at any sensitive or commercial place.
- B15
When requested by the administering authority, light monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days of the administering authority following completion of monitoring.
- B16
If monitoring indicates condition B14 is not being met, then the environmental authority holder must: a) address the complaint using dispute resolution if required; and b) immediately implement lighting abatement measures so that emissions of light from the activity do not result in further environmental nuisance. Permit Environmental authority Schedule C: Water Condition Condition number
- C1
Contaminant release Contaminants that will or have the potential to cause environmental harm must not be released directly or indirectly to any waters except as permitted under the conditions of this environmental authority.
- C2
Unless otherwise permitted under the conditions of this environmental authority, the release of mine affected water to waters must only occur from the release points specified in Table C1: Mine affected water release points, sources and receiving waters and depicted in Figure 1: Surface water release and monitoring points attached to this environmental authority.
- C3
The release of mine affected water to internal water management infrastructure that is installed and operated in accordance with a water management plan that complies with conditions C31 to C34 inclusive is permitted.
- C4
The release of mine affected water to waters in accordance with condition C2 must not exceed the release limits stated in Table C2: Mine affected water release limits when measured at the relevant monitoring point/s specified for Table C1: Mine affected water release points, sources and receiving waters for each quality characteristic.
- C5
The release of mine affected water to waters from the release points must be monitored at the locations specified in Table C1: Mine affected water release points, sources and receiving waters for each quality characteristics and at the frequency specified in Table C2: Mine affected water release limits and Table C3: Release contaminant trigger investigation levels (potential contaminants). Table C1: Mine affected water release points, sources and receiving waters Release Latitude (decimal Longitude (decimal Mine affected water Monitoring Receiving waters point (RP) degree, GDA94) degree, GDA94) source and location point description RP 1 -23.23838 148.35296 Environmental Dam End of pipe Crinum Creek release point RP 2 -23.26459 148.29234 Holding Dam release End of pipe Woolshed Creek point RP 3 -23.2373 148.3662 Rejects Return Water End of pipe Crinum Creek Dam RP 4 -23.2419 148.3655 Rejects Return Water Dam Crinum Creek Dam spillway Note: RP3 and RP4 release/monitoring points are both located on Reject Return Water Dam and represent the same source of water. Permit Environmental authority Table C2: Mine affected water release limits Quality Release Limits Monitoring Frequency Comment characteristic Electrical Release limits specified in Continuous (minimum hourly) during Turbidity is required to assess conductivity Table C4a, C4b, C4c and discharge; or ecosystem impacts and can (EC) (-S/cm) C4dfor variable flow criteria daily grab samples when telemetry is not provide instantaneous results. available. pH (pH Unit) 6.5 (minimum) The first sample must be taken within 2 Suspended solids are required Turbidity (NTU) 9.5 (maximum) hours of commencement of release. to measure the performance of N/A sediment and erosion control Suspended Daily during release* (the first sample measures. Solids (mg/L) 480 must be taken within 2 hours of commencement of release) Drinking water environmental Sulfate (mg/L) Release limits specified in values from NMHRC 2006 Table C4a, C4b, C4c and guidelines or ANZECC C4d for variable flow criteria
- C6
If quality characteristics of the release exceed any of the trigger levels specified in Table C3: Release contaminant trigger investigation levels (potential contaminants) during a release event, the environmental authority holder must compare the downstream results in the receiving waters to the trigger values specified in Table C3: Release contaminant trigger investigation levels (potential contaminants) and: 1) where trigger values are not exceeded in the receiving waters then no action is to be taken; or 2) where the downstream results exceed the trigger values specified in in Table C3: Release contaminant trigger investigation levels (potential contaminants) for any quality characteristic, compare the results of the downstream site to the data from the background monitoring sites and; a) if the result is less than the background monitoring site data, then no action is to be taken; or b) if the result is greater than the background monitoring site data, complete an investigation into the potential for environmental harm and provide a written report to the administering authority within 45 days of receiving the result, outlining: i. details of the investigations carried out; and ii. actions taken to prevent environmental harm. Note: Where an exceedance of a trigger level has occurred and is being investigated, in accordance with condition C6 2(b) of this condition, no further reporting is required for subsequent trigger events for that quality characteristics.
- C7
If an exceedance in accordance with condition C6 2(b) is identified, the holder of the authority must notify the administering authority via WaTERS within 7 days of receiving the result. Permit Environmental authority Table C3: Release contaminant trigger investigation levels (potential contaminants) Quality Trigger levels Comment on trigger level Monitoring frequency characteristic (-g/L) 80th percentile of background water quality data Commencement of Aluminium 55 For aquatic ecosystem protection, based on SMD guideline release and Cadmium 0.2 For aquatic ecosystem protection, based on SMD guideline Chromium 1 80th percentile of background water quality data thereafter weekly Copper 6 For aquatic ecosystem protection, based on SMD guideline during release Nickel 11 80th percentile of background water quality data Zinc 11 For aquatic ecosystem protection, based on SMD guideline Boron 370 For aquatic ecosystem protection, based on SMD guideline Manganese 1,900 For aquatic ecosystem protection, based on low reliability Molybdenum 34 guideline Uranium 1 For aquatic ecosystem protection, based on LOR for ICPMS Vanadium 10 For aquatic ecosystem protection, based on LOR for ICPMS Nitrate 1,100 For aquatic ecosystem protection, based on ambient Qld QR 20 Guidelines (2006) for TN Petroleum hydrocarbons 100 Protection of livestock and short term irrigation guideline (C6-C9) Petroleum 2,000 hydrocarbons (C10-C36) Fluoride (total) Note: 1. All metals and metalloids must be measured as total (unfiltered) and dissolved (filtered). Trigger levels for metal/metalloids apply if dissolved results exceed trigger. 2. The quality characteristics required to be monitored as per Table C3: Release contaminant trigger investigation levels (potential contaminants) can be reviewed once the results of two (2) years monitoring data is available, or sufficient data is available to adequately demonstrate negligible environmental risk, and it may be determined that a reduced monitoring frequency is appropriate or that certain quality characteristics can be removed from Table C3: Release contaminant trigger investigation levels (potential contaminants) by amendment. 3. SMD - slightly moderately disturbed level of protection, guideline refers ANZECC & ARMCANZ (2000). 4. LOR - typical reporting for method stated. ICPMS/CV FIMS - analytical method required to achieve LOR.
- C8
Mine Affected Water Release Events The holder must ensure stream flow gauging infrastructure is installed, operated and maintained to determine and record stream flows at the locations and flow recording frequency specified in Table C4a, C4b, C4c and C4d.
- C9
Notwithstanding any other condition of this environmental authority, the release of mine affected waters in accordance with condition C2 must only take place during periods of flow in accordance with the receiving water flow criteria for discharge specified in Table C4a, C4b, C4c and C4d for the release point(s) specified in Table C1: Mine affected water release points, sources and receiving waters.
- C10
If natural flow is not recorded in any of the upstream receiving waters as required by condition C9, and the stored volume of the total mine water inventory exceeds 1557ML, then the EA holder may utilise artificial upstream flows as specified in Table C4d. Permit Environmental authority Table C4a: Mine Affected Water Release During Natural Flow Events Receiving Release Gauging Gauging. Station Gauging. Station Receiving Receiving Water Flow Maximum Electrical Conductivity (-S/cm and Latitude (decimal Longitude Water Flow waters Point Infrastructure degree, GDA94) (decimal degree, Recording Recording Frequency release rate Sulfate (mg/L) Release Limits Frequency (RP) GDA94) (for all Continuous (minimum combined RP hourly) during discharge flows) Crinum RP1, RP2, Lilyvale -23.207489 148.338369 Minimum upstream When the minimum upstream flow in Crinum Creek Creek RP3, RP4 waterhole 148.324979 flow for mine water is >0.1m3/s, the maximum release rate, and the EC Crinum (Lily01) - 148.286450 Creek upstream releases to commence (-S/cm) and Sulfate (mg/L) release limits for Crinum Crinum Creek must be >0.1m3/s. Creek (C4) apply. RP1, RP2, Crinum Creek -23.232588 RP3, RP4 (B1) - upstream
- C11
The release of mine affected water to waters in accordance with condition C2 must not exceed the Electrical Conductivity and Sulfate release limits or the Maximum Release rate (for all combined release point flows) for each receiving water flow criteria for discharge specified in Tables C4a, C4b, C4c, and C4d when measured at the monitoring points specified in Table C1: Mine affected water release points, sources and receiving waters.
- C12
The daily quantity of mine affected water released from each release point must be measured and recorded for the monitoring points in Table C1: Mine affected water release points, sources and receiving waters.
- C13
Releases to waters must be undertaken so as not to cause erosion of the bed and banks of the receiving waters, or cause a material build-up of sediment in such waters.
- C14
Notification of Release Event The environmental authority holder must notify the administering authority via either the WaTERS online reporting system as soon as practicable and no later than twenty-four (24) hours of having commenced releasing mine affected water to the receiving environment. Notification must include the submission of written verification to the administering authority of the following information: a) release commencement date/time; b) expected release cessation date/time; c) release point/s; d) release volume (estimated); e) receiving water/s including the natural flow rate; and f) any details (including available data) regarding likely impacts on the receiving water(s).
- C15
The environmental authority holder must: a) notify the administering authority via WaTERS within twenty-four (24) hours after cessation of a release event notified under condition C14, including the following information: (i) release cessation date/time. (ii) natural flow volume in receiving water. (iii) volume of water released. (iv) details regarding the compliance of the release with the conditions of this environmental authority (i.e., released contaminant quality, receiving waters flow, discharge volume). (v) any other matters pertinent to the water release event (i.e., release duration). b) within twenty-eight (28) days after cessation of a release event provide a detailed report via WaTERS and submit all water quality monitoring results (including in-situ and laboratory analyses). Note: Successive or intermittent releases occurring within twenty-four (24) hours of the cessation of any individual release can be considered part of a single release event and do not require individual notification for the purpose of compliance with conditions C14 and condition C15, provided the relevant details of the release are included with the notification provided in accordance with condition
- C14
and condition C15. Permit Environmental authority
- C16
Notification of Release Event Exceedance If the release limits defined in Table C2: Mine affected water release limits are exceeded, the holder of the environmental authority must notify the administering authority within twenty-four (24) hours of receiving the results.
- C17
Post-release flow If, during the twenty-four (24) hours after the cessation of a release event the flow in the upstream receiving waters is 0.1m3/s, the holder of the environmental authority must ensure a post-release flow of >0.1 m3/s occurs for the remainder of the twenty-four (24) hour period via the release of raw (river) water or equivalent.
- C18
Monitoring of Water Storage Quality Water storages stated in Table C5: Water storage monitoring must be monitored for the water quality characteristics specified in Table C5: Onsite water storage contaminants at the monitoring locations and at the monitoring frequency specified in Table C5: Water storage monitoring. Table C5: Water storage monitoring Water storage description Latitude (decimal, Longitude (decimal, Monitoring location Frequency of degree, GDA94) degree, GDA94) monitoring Holding Dam Holding Dam Pontoon Quarterly Environmental Dam -23.26336 148.29567 Environmental Dam Pontoon Reject Return Water Dam Rejects Return Dam Pontoon Quarterly -23.23605 148.35681 Quarterly -23.23812 148.36687 Quarterly Onsite water storage contaminant limits Quality characteristic Units pH pH units EC -S/cm Sulfate mg/L Fluoride mg/L Aluminium mg/L Arsenic mg/L Cadmium mg/L Cobalt mg/L Copper mg/L Lead mg/L Nickel mg/L Zinc mg/L Suspended Solids mg/L Permit Environmental authority
- C19
Receiving Environment Monitoring and Contaminant Trigger Levels The quality of the receiving waters must be monitored at the locations specified in Table C7: Receiving water upstream background sites and downstream monitoring points for each quality characteristics and at the monitoring frequency stated in Table C6: Receiving waters contaminants trigger levels.
- C20
If quality characteristics of the receiving water at the downstream monitoring point C4 specified in Table C7: Receiving water upstream background sites and downstream monitoring points exceed any of the trigger levels specified in Table C6: Receiving waters contaminant trigger levels during a release event the environmental authority holder must compare the downstream results to the upstream results in the receiving waters and: a) where the downstream result is the same or a lower value than the upstream value for the quality characteristic then no action is to be taken; or b) where the downstream results exceed the upstream results complete an investigation in accordance with the ANZECC and ARMCANZ 2000 methodology, into the potential for environmental harm and provide a written report to the administering authority via WaTERS within 45 days of receiving the result, outlining: i. details of the investigations carried out; and ii. actions taken to prevent environmental harm. Note: Where an exceedance of a trigger level has occurred and is being investigated, in accordance with C21(b)(ii) of this condition, no further reporting is required for subsequent trigger events for that quality characteristic. Table C6: Receiving waters contaminant trigger levels Quality characteristic Trigger level Monitoring frequency pH 6.5 - 8.5 Commencement of release and thereafter daily during the release 1500 Electrical Conductivity Continuous (minimum hourly) during discharge; or daily grab samples when (-S/cm) telemetry is not available (the first sample must be taken within 4 hours of commencement of release) Suspended solids (mg/L) 1022 Sulfate (mg/L) 1000 Commencement of release and thereafter daily during the release Permit Environmental authority Table C7: Receiving water upstream background sites and downstream monitoring points Monitoring Receiving waters location description Latitude decimal Longitude (decimal points degree, GDA94) degree, GDA94) Upstream background monitoring points Monitoring Woolshed Creek 2km upstream of RP2 -23.240751 148.286450 Point W2a 148.324979 Monitoring Approx. 700m upstream of the confluence of Junction and Crinum -23.232588 Point B1 creeks and approx. 100m downstream of the lease boundary. Monitoring Junction Creek diversion upstream. Approx 620m upstream of the -23.24261 148.36422 Point J1 confluence of the southern and northern Junction Creek 148.36788 diversions. 148.29234 Note - Junction Creek monitoring only required for releases from
- C21
Receiving Environment Monitoring Program (REMP) The environmental authority holder must implement a Receiving Environment Monitoring Program (REMP) to monitor, identify and describe any adverse impacts to surface water environmental values, quality and flows due to the authorised mining activity. This must include monitoring the effects of the mine on the receiving environment periodically (under natural flow conditions) and while mine affected water is being discharged from the site. For the purpose of the REMP, the receiving environment is the waters of Crinum and Woolshed Creeks and connected or surrounding waterways within 10km downstream of the releases. The REMP should encompass any sensitive receiving waters or environmental values downstream of the authorised mining activity that will potentially be directly affected by an authorised release of mine affected water.
- C22
A report outlining the findings of the REMP, including all monitoring results and interpretations in accordance with condition C21 must be prepared annually and made available on request to the administrating authority. This must include an assessment of background reference water quality, the condition of downstream water quality compared against water quality objectives, and the suitability of current discharge limits to protect downstream environmental values.
- C23
Water Reuse Mine affected water may be piped or trucked or transferred by some other means that does not contravene the conditions of this environmental authority and deposited into artificial water storage structures, such as farm dams or tanks, or used directly at properties owned by the environmental authority holder or a third party for the purpose of: a) supplying stock water subject to compliance with the quality release limits specified in Table
- C8
Stock Water Release Limits; b) supplying irrigation water subject to compliance with quality release limits in Table C9: Irrigation Water Release Limits; or c) supplying water for construction and/or road maintenance in accordance with the conditions of this environmental authority. Table C8: Stock Water Release Limits Quality characteristic Units Minimum Maximum 6.5 8.5 pH pH units N/A 5000 Electrical Conductivity -S/cm Table C9: Irrigation Water Release Limits Quality characteristic Units Minimum Maximum 6.5 pH pH units N/A 9.0 Electrical Conductivity -S/cm Site specific value to be determined in accordance with ANZECC & ARMCANZ (2000) Irrigation Guidelines Permit Environmental authority
- C24
Mine affected water may be piped or trucked or transferred by some other means that does not contravene the conditions of this environmental authority and deposited into artificial water storage structures, such as dams or tanks, for the purpose of supplying water to Gregory Crinum Coal Mine. The volume, pH and electrical conductivity of water transferred to Gregory Crinum Coal Mine must be monitored and recorded.
- C25
If the responsibility for mine affected water is given or transferred to another person in accordance with conditions C23 or C24: a) the responsibility for the mine affected water must only be given or transferred in accordance with a written agreement (the third party agreement); b) the third party agreement must include a commitment from the person utilising the mine affected water to use it in such a way as to prevent environmental harm or public health incidents and specifically make the persons aware of the General Environmental Duty (GED) under section 319 of the Environmental Protection Act 1994, environmental sustainability of the water disposal and protection of environmental values of waters; and c) the third party agreement must be signed by both parties to the agreement.
- C26
Water General All determinations of water quality must be: a) performed by a person or body possessing appropriate experience and qualifications to perform the required measurements; b) made in accordance with the prescribed sampling methods and holding and testing times specified in the latest edition of the administering authority's Monitoring and Sampling Manual; c) carried out on representative samples; and d) laboratory testing must be undertaken using a laboratory accredited (e.g. NATA) for the method of analysis being used. Note: Condition C26 requires the administering authority's Monitoring and Sampling Manual to be followed and where it is not followed because of exceptional circumstances this should be explained and reported with the results.
- C27
The release of any contaminants as permitted by this environmental authority, directly or indirectly to waters, other than internal water management infrastructure that is installed and operated in accordance with a water management plan that complies with conditions C30 to C33 inclusive: a) must not produce any visible discolouration of receiving waters; and b) must not produce any slick or other visible or odorous evidence of oil, grease or petrochemicals nor contain visible floating oil, grease, scum, litter or other objectionable matter. Permit Environmental authority
- C28
Annual Water Monitoring Reporting The following information must be recorded in relation to all water monitoring required under the conditions of this environmental authority and submitted to the administering authority in the specified format by 1 October each calendar year: a) the date on which the sample was taken; b) the time at which the sample was taken; c) the monitoring point at which the sample was taken; d) the measured or estimated daily quantity of the contaminants released from all release points; e) the release flow rate at the time of sampling for each release point; f) the results of all monitoring and details of any exceedances with the conditions of this environmental authority; and g) water quality monitoring data must be provided to the administering authority via WaTERS.
- C29
Temporary Interference with Waterways Temporarily destroying native vegetation, excavating, or placing fill in a watercourse, lake or spring necessary for and associated with mining operations must be undertaken in accordance with the Department of Regional Development Manufacturing and Water's (or its successor) Riverine protection permit exemption requirements (WSS/2013/726).
- C30
Water Management Plan A Water Management Plan must be developed by an appropriately qualified person and implemented.
- C31
The Water Management Plan must: a) provide for effective management of actual and potential environmental impacts resulting from water management associated with the mining activity carried out under this environmental authority; and b) include: i. a study of the source of contaminants; ii. a water balance model for the site; iii. a water management system for the site; iv. measures to avoid or otherwise minimise the generation and/or release of saline drainage; v. measures to avoid or otherwise minimise the generation and/or release of acid rock drainage; vi. contingency procedures for incidents and emergencies; and vii. a program for monitoring and review of the effectiveness of the Water Management Plan.
- C32
The Water Management Plan must be reviewed each calendar year and a report prepared by an appropriately qualified person. The report must: a) assess the plan against the requirements under condition C31; b) include recommended actions to ensure actual and potential environmental impacts are effectively managed for the coming year; c) identify any amendments made to the water management plan following the review; and d) made available to the administering authority upon request. Permit Environmental authority
- C33
The holder of this environmental authority must attach to the review report required by condition C32, a written response to the report and recommended actions, detailing the actions taken or to be taken by the environmental authority holder on stated dates: a) to ensure compliance with this environmental authority; and b) to prevent a recurrence of any non-compliance issues identified.
- C34
Stormwater and water sediment controls An Erosion and Sediment Control Plan must be developed by an appropriately qualified person and implemented for all stages of the mining activities on the site to minimise erosion and the release of sediment to receiving waters and contamination of storm water.
- C35
Stormwater, other than mine affected water, is permitted to be released to waters from: a) erosion and sediment control structures that are installed and operated in accordance with the Erosion and Sediment Control Plan required by condition C34; and b) water management infrastructure that is installed and operated, in accordance with a Water Management Plan that complies with conditions C31 to C34 inclusive, for the purpose of ensuring water does not become mine affected water.
- C36
The maintenance and cleaning of any vehicles, plant or equipment must not be carried out in areas from which contaminants can be released into any receiving waters.
- C37
Any spillage of wastes, contaminants or other materials must be cleaned up as quickly as practicable to minimise the release of wastes, contaminants or materials to any stormwater drainage system or receiving waters. Permit Environmental authority Schedule D: Sewage Treatment Condition Condition number
- D1
The operation of the sewage treatment plant and pollution control equipment must be carried out by a person(s) with appropriate experience and/or qualifications to ensure the effective operation of that treatment system and control equipment.
- D2
Treated effluent must not be released from the site to any waters or the bed and banks of any waters.
- D3
Water or storm water contaminated by sewage treatment activities must not be released to any waters or the bed and banks of any waters.
- D4
Treated effluent must not be released to land.
- D5
All ponds used for the storage or treatment of sewage effluent at or on the authorised place must be constructed, installed and maintained: a) so as to minimise the likelihood of any release of effluent through the bed or banks of the pond to any waters (including ground water); b) so that a freeboard of not less than 0.5 metres is maintained at all times, except in emergencies; and c) so as to ensure the stability of the ponds' construction.
- D6
Suitable banks and/or diversion drains must be installed and maintained to exclude stormwater runoff from entering any ponds or other structures used for the storage or treatment of contaminants or wastes.
- D7
If the responsibility of the treated effluent is given or transferred to another person: a) the responsibility of such effluent must only be given or transferred in accordance with a written agreement (the third party agreement); b) include in the third party agreement a commitment from the person utilising the effluent to use effluent in such a way as to prevent environmental harm or public health incidences and specifically make the persons aware of the General Environmental Duty (GED) under section 319 of the Environmental Protection Act 1994 (Qld), environmental sustainability of any effluent disposal and protection of environmental values of waters; and c) upon being notified or otherwise becoming aware that the person's use of effluent is causing or threatens to cause environmental harm or is posing a human health risk, and if the person does not rectify the situation upon written request, the giving and transferring responsibility for such effluent must cease. Permit Environmental authority Schedule E: Acoustic Condition Condition number
- E1
Subject to conditions E2 and E3 noise from the mining activity must not cause an environmental nuisance, at any sensitive or commercial place.
- E2
When requested by the administering authority, noise monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.
- E3
The method of measurement and reporting of noise levels must comply with the latest edition of the administering authority's Noise Measurement Manual.
- E4
If the environmental authority holder can provide evidence through monitoring that the limits defined in Table E1: Noise limits attributable to mining activities, are not being exceeded then the holder is not in breach of condition E1. Monitoring must include: a) the level and frequency of occurrence of impulsive or tonal noise; b) atmospheric conditions including wind speed and direction; and c) location, date and time of recording.
- E5
If monitoring indicates exceedance of the limits in Table E1: Noise limits, then the environmental authority holder must: a) address the complaint including the use of appropriate dispute resolution if required; and b) immediately implement noise abatement measures so that emissions of noise from the activity do not result in further environmental nuisance.
- E6
Vibration nuisance Subject to conditions E7and E8 vibration from the mining activity must not cause environmental harm at any sensitive or commercial place.
- E7
When requested by the administering authority, vibration monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.
- E8
If the environmental authority holder can provide evidence through monitoring that the limits defined in Table E2: Vibration limits are not being exceeded then the holder is not in breach of condition E6. Monitoring must include: a) location of the blast(s) within the mining area (including which bench level); b) atmospheric conditions including temperature, relative humidity and wind speed and direction; and c) location, date and time of recording. Permit Environmental authority
- E9
If vibration monitoring indicates exceedance of the relevant limits in Table E2: Vibration limits, then the environmental authority holder must: a) address the complaint including the use of appropriate dispute resolution, if required; and b) immediately implement vibration abatement measures so that vibration from the mining activity does not result in further environmental nuisance.
- E10
Airblast overpressure nuisance The airblast overpressure level from blasting operations on the premises must not exceed the limits defined in Table E3: Airblast overpressure level at any nuisance sensitive or commercial place.
- E11
When requested by the administering authority, airblast overpressure monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.
- E12
Airblast overpressure monitoring must include the following descriptors, characteristics and conditions: a) location of the blast(s) within the mining area (including which bench level); b) atmospheric conditions including temperature, relative humidity and wind speed and direction; and c) location, date and time of recording.
- E13
If monitoring indicates exceedance of the relevant limits in Table E3: Airblast overpressure level, then the environmental authority holder must: a) address the complaint including the use of appropriate dispute resolution if required; and b) immediately implement airblast overpressure abatement measures so that airblast overpressure from the activity does not result in further environmental nuisance. Table E1: Noise limits Noise limit Gordon Downs Permit Period of day Homestead LAeq,15 dB(A) 37 dB(A) Environmental authority Day (6am to 6pm) 33 dB(A) Evening (6pm to 10pm) 28 dB(A) Noise limit sensitive places non mining lease Night (10pm to 6am) LAeq,15 dB(A) 33 dB(A) 30 dB(A) 28 dB(A) Table E2: Vibration limits Location Vibration measured Monday to Friday 6am - 6pm Saturdays, Sundays and Public Holidays 9.00am - 5.00pm Sensitive 5mm/s peak particle velocity for nine (9) out of ten 5mm/s peak velocity for nine (9) out of ten or (10) consecutive blasts and not greater than 10 (10) consecutive blasts and not greater than commercial millimetres per second peak particle velocity at any 10 millimetres per second peak particle place time velocity at any time Note: The method of measurement and reporting of vibration levels must comply with the latest edition of the administering authority's vibration and airblast overpressure monitoring guideline. Table E3: Airblast overpressure level Location Airblast overpressure measured Sensitive or Air blast overpressure level of 115dB (Linear peak) for nine (9) out of ten (10) consecutive commercial place blasts initiated and not greater than 120dB (Linear peak) at any time. Note: The method of measurement and reporting of airblast overpressure levels must comply with the latest edition of the administering authority's Noise Measurement Manual. Permit Environmental authority Schedule F: Waste Condition Condition number
- F1
Storage of tyres Scrap tyres stored awaiting disposal or transport for take-back and recycling, or waste-to-energy options must be stored in stable stacks and at least ten (10) metre from any other scrap tyre storage area, or combustible or flammable material, including vegetation.
- F2
All reasonable and practicable fire prevention measures must be implemented, including removal of grass and other materials within a ten (10) metre radius of the scrap tyre storage area.
- F3
Disposal of tyres Where take-back, recycling or waste-to-energy is impracticable and all other stages (options) in the waste hierarchy have been considered, scrap tyres resulting from the mining activities may be disposed of on the mine site in accordance with conditions F4 to F6.
- F4
Disposal in underground goafs is acceptable, provided this practice does not cause an unacceptable fire risk or compromise mine safety.
- F5
Disposing of scrap tyres resulting from the mining activities in co-disposal area is acceptable, provided tyres are placed as deep in the rejects as reasonably practicable.
- F6
Scrap tyres resulting from the mining activities disposed within the operational land must not impede saturated aquifers or compromise the stability of the consolidated landform.
- F7
Waste management A register of all chemicals stored on site must be maintained.
- F8
Waste must not be burned or allowed to be burned on the licensed site unless by approval of the administering authority.
- F9
A designated area must be set aside for the segregation of economically viable, recyclable solid and liquid waste.
- F10
The holder of this environmental authority must use reasonable and practical measures to prevent the release of regulated wastes to the environment. This includes the underground environment.
- F11
Reverse Osmosis Water Treatment Plant The holder of this environmental authority is authorised to operate a reverse osmosis water treatment plant (ROWTP) operating at, but not exceeding 4ML/day of treated product water.
- F12
Waste products resulting from the operation of the ROWTP must be managed in accordance with the Water Management Plan required by condition C31. Permit Environmental authority
- F13
The Water Management Plan required by condition C31 must include the following in relation to the management of waste generated by the ROWTP: a) a description of the ROWTP activities that may generate waste; b) Waste management and control strategies, including: i. The types and amounts of wastes generated by the ROWTP activity; ii. Segregation of the wastes; iii. Storage of the wastes; iv. Transport of the waste; v. Monitoring and reporting matters concerning the wastes; c) How the waste will be dealt with regarding the waste management hierarchy (that is avoid, reuse, recycle, energy recovery, disposal); d) The hazardous characteristics of the wastes generated including disposal procedures for hazardous wastes; e) Procedures for dealing with accidents, spills and other incidents as per Hazmat Management Plan for the site; f) The indicators or other criteria on which the performance of the waste management program will be assessed; g) Staff training; h) Management of potential seepage of brine from evaporation ponds during all phases of mining and closure; and i) A program for monitoring and review of the effectiveness of the waste management strategies exercised to manage waste generated by the ROWTP.
- F14
Brine generated from the ROWTP may only be released within the catchment of the co-disposal facility identified in Figure 3: Approved Kestrel Mine Disturbance Areas.
- F15
Microfiltration backwash is the only by-product waste water of the ROWTP permitted to be re-used for dust suppression outside of the catchment of the co-disposal facility identified in Figure 3: Approved Kestrel Mine Disturbance Areas.
- F16
All evaporation ponds used for the storage or treatment of contaminants or wastes at or on the authorised place must be constructed, installed and maintained: a) so as to minimise the likelihood of any release of contaminants through the bed or banks of the pond to any waters (including ground water); and b) so as to ensure the stability of the ponds' construction. Permit Environmental authority Schedule G: Land Condition Condition number
- G1
Cover and material handling Topsoil must be stripped ahead of any areas where the topsoil resource will be lost or permanently destroyed and stored if not able to be immediately used.
- G2
A topsoil inventory that identifies the topsoil requirements for the project and the availability of topsoil on site must be maintained.
- G3
Topsoil that is stockpiled for greater than six (6) months must be managed to minimise erosion.
- G4
Subsidence A Subsidence Management Plan must be developed by an appropriately qualified and experienced person to deal with actual or potential impacts of subsidence and submitted to the administering authority at least three (3) months prior to the commencement of extension no. 4 (500 series) mining activities.
- G5
The Subsidence Management Plan must: a) provide for the proper and effective management of the actual and potential environmental impacts, including not limited to land, surface and groundwaters resulting from the mining activity and to ensure compliance with the conditions of this environmental authority; b) describe the proposed impacts of subsidence on any land, watercourse and floodplain including but not limited to: i. physical condition of surface drainage; ii. overland flow; iii. water quality; iv. land condition: current land condition to be impacted by subsidence; v. infrastructure: detail of existing infrastructure (pipelines, railway, power lines and haul roads) should be identified where there is a potential impact from effects of land subsidence; and c) propose options for mitigating any impacts associated with subsidence and how these mitigation methods will be implemented.
- G6
Annual inspection of subsidence The holder of this environmental authority must arrange for each subsided longwall panel, which occurs as a result of the extension no. 4 (500 series) mining activities, to be inspected annually by a suitably qualified and experienced person, in accordance with conditions G7 to G9.
- G7
The annual inspection must be conducted between 1 April and 1 November each year.
- G8
At each annual inspection, the condition of each subsided longwall panel must be assessed, including the structural, geotechnical and hydraulic adequacy of the subsided longwall panel and the adequacy of the works with respect to the Subsidence Management Plan. Permit Environmental authority
- G9
For each inspection, copies of a report certified by the suitably qualified and experienced person, including any recommendations to ensure the integrity of each subsided longwall panel must be provided to the administering authority upon request.
- G10
Overland flow The subsided longwall panels, which result from extension no. 4 (500 series) mining activities must not result in the capture of significant overland flow and must allow water to drain from the panel. Ponding greater than 200 square metres is not to occur over subsided longwall panels after the adjacent panel has been completed or after a period of twelve (12) months if there is no adjacent panel to be developed.
- G11
Clearing of vegetation should be minimised and must be kept to within the nominated areas of disturbance in accordance the application for ERC decision.
- G12
PRCP Schedule Progressive rehabilitation of the disturbed land must be carried out in accordance with the approved Progressive Rehabilitation and Closure Plan (PRCP) schedule P-PRCP-100875920 for this environmental authority.
- G13
Surrender The holder must meet the conditions and the rehabilitation milestones under the PRCP schedule prior to the surrender of the environmental authority
- G14
Infrastructure The environmental authority holder must detail in the application for ERC decision the measures to be implemented to reduce or remediate the impact of supporting infrastructure including access tracks, gas drainage boreholes or dewatering holes within the Bluegrass 'Of concern' Regional Ecosystem 11.8.11.
- G15
Rehabilitation of supporting surface activities, carried out in areas identified in Figure 3: Approved Kestrel Mine Disturbance Areas, must: a) commence as soon as practical and at least within six months of the completion of works relevant to that aspect of the surface disturbance, and b) achieve a stable condition similar to that of surrounding undisturbed areas. Note - the requirements of this condition, and G18 below, are underpinned by the Eligibility criteria and standard conditions for exploration and mineral development projects. Note - Supporting surface activities must be limited to the extent reasonable and necessary in relation to the works, and can take place at any location within the mining tenement
- G16
Permit . Environmental authority In areas mapped as supporting surface activities, illustrated in Figure 3: Approved Kestrel Mine Disturbance Areas, the holder of the environmental authority must decommission all non-artesian drill holes, apart from those still required for monitoring purposes as soon as practical, but no later than 6 months after the hole is no longer required, by undertaking the following actions: a) where practical dispose of all unused drill chips to the hole or to a sump pit and; b) cap the hole at a depth that is appropriate for the previous land use of the area (unless the land owner stipulates a future use which requires the cap to be placed deeper); and c) backfill the hole above the cap with soil or material similar to the surrounding soil or material. Note - The following depths are considered as appropriate for capping: surface level in rock outcrops; and at least 1m below the surface on land used for cropping; and at least 300 mm below the surface on other land. Permit Environmental authority Schedule H: Dams Condition Condition number
- H1
Assessment of consequence category The consequence category of any structure must be assessed by a suitably qualified and experienced person in accordance with the Manual for assessing consequence categories and hydraulic a) prior to the design and construction of the structure, if it is not an existing structure; or b) prior to any change in its purpose or the nature of its stored contents.
- H2
A consequence assessment report and certification must be prepared for each structure assessed and the report may include a consequence assessment for more than one structure.
- H3
Certification must be provided by the suitably qualified and experienced person who undertook the assessment, in the form set out in the Manual for assessing consequence categories and hydraulic
- H4
Design and construction of a regulated structure Conditions H5 to H9 inclusive do not apply to existing structures.
- H5
All regulated structures must be designed by, and constructed under the supervision of, a suitably qualified and experienced person in accordance with the requirements of the Manual for assessing
- H6
Construction of a regulated structure is prohibited unless: a) the holder has submitted a consequence category assessment report and certification to the administering authority; and b) certification for the design, design plan and the associated operating procedures has been certified by a suitably qualified and experienced person in compliance with the relevant condition of this authority.
- H7
Certification must be provided by the suitably qualified and experienced person who oversees the preparation of the design plan in the form set out in the Manual for assessing consequence categories Regulated Structures. Permit Environmental authority
- H8
Regulated structures must: a) be designed and constructed in compliance with the Manual for assessing consequence b) be designed and constructed with due consideration given to ensuring that the design integrity would not be compromised on account of: i. floodwaters from entering the regulated dam from any watercourse or drainage line; and ii. wall failure due to erosion by floodwaters arising from any watercourse or drainage line. c) All new facilities constructed after 1 July 2018 must have the floor and sides of the dam designed and constructed to prevent or minimise the passage of the wetting front and any entrained contaminants through either the floor or sides of the dam during the operational life of the dam and for any period of decommissioning and rehabilitation of the dam.
- H9
Certification by the suitably qualified and experienced person who supervises the construction must be submitted to the administering authority on the completion of construction of the regulated structure, and state that: a) the 'as constructed' drawings and specifications meet the original intent of the design plan for that regulated structure b) construction of the regulated structure is in accordance with the design plan.
- H10
Notification of affected persons All affected persons must be provided with a copy of the emergency action plan in place for each regulated structure: a) for existing structures that are regulated structures, within ten (10) business days of this condition taking effect; b) prior to the operation of the new regulated structure; and c) if the emergency action plan is amended, within five (5) business days of it being amended.
- H11
Operation of a regulated structure Operation of a regulated structure, except for an existing structure, is prohibited unless the holder has submitted to the administering authority in respect of regulated structure, all of the following: a) one paper copy and one electronic copy of the design plan and certification of the `Design Plan' accordance with condition H6; b) A set of `as constructed' drawings and specifications; c) certification of the `as constructed drawings and specifications' in accordance with condition H9; d) where the regulated structure is to be managed as part of an integrated containment system for the purpose of sharing the DSA volume across the system, a copy of the certified system design plan; e) the requirements of this authority relating to the construction of the regulated structure have been met; f) the holder has entered the details required under this authority, into a Register of Regulated Structures; and g) there is a current operational plan for the regulated structure. Permit Environmental authority
- H12
For existing structures that are regulated structures: a) where the existing structure that is a regulated structure is to be managed as part of an integrated containment system for the purpose of sharing the DSA volume across the system, the holder must submit to the administering authority within twelve (12) months of the commencement of this condition a copy of the certified system design plan including that structure; and b) there must be a current operational plan for the existing structures.
- H13
Each regulated structure must be maintained and operated, for the duration of its operational life until, decommissioned and rehabilitated, in compliance with the current operational plan and, if applicable, the current design plan and associated certified `as constructed' drawings.
- H14
Mandatory reporting level Conditions H15 to H22 inclusive only apply to Regulated Structures which have not been certified as low consequence for `failure to contain- overtopping'.
- H15
The Mandatory Reporting Level (the MRL) must be marked on a regulated dam in such a way that during routine inspections of that dam, it is clearly observable.
- H16
The environmental authority holder must, as soon as practicable but within forty-eight (48) hours of becoming aware, notify the administering authority when the level of the contents of a regulated dam reaches the MRL.
- H17
The environmental authority holder must, immediately on becoming aware that the MRL has been reached, act to prevent the occurrence of any unauthorised discharge from the regulated dam.
- H18
The environmental authority holder must record any changes to the MRL in the Register of Regulated Structures.
- H19
Design storage allowance The environmental authority holder must assess the performance of each regulated dam or linked containment system over the preceding November to May period based on actual observations of the available storage in each regulated dam or linked containment system taken prior to 1 July of each year.
- H20
By 1 November of each year, storage capacity must be available in each regulated dam (or network of linked containment systems with a shared DSA volume), to meet the Design Storage Allowance (DSA) volume for the dam (or network of linked containment systems).
- H21
The environmental authority holder must, as soon as practicable but within forty-eight (48) hours of becoming aware that the regulated dam (or network of linked containment systems) will not have the available storage to meet the DSA volume on 1 November of any year, notify the administering authority.
- H22
The environmental authority holder must, immediately on becoming aware that a regulated dam (or network of linked containment systems) will not have the available storage to meet the DSA volume on 1 November of any year, act to prevent the occurrence of any unauthorised discharge from the regulated dam or linked containment systems. Permit Environmental authority
- H23
Annual inspection report Each regulated structure must be inspected each calendar year by a suitably qualified and experienced person.
- H24
At each annual inspection, the condition and adequacy of all components of the regulated structure must be assessed and a suitably qualified and experienced person must prepare an annual inspection report containing details of the assessment and include a recommendations section, with any recommended actions to ensure the integrity of the regulated structure or a positive statement that no recommendations are required.
- H25
The suitably qualified and experienced person who prepared the annual inspection report must certify the report in accordance with the Manual for assessing consequence categories and hydraulic
- H26
The environmental authority holder must within twenty (20) business days of receipt of the annual inspection report, provide to the administering authority: a) The recommendations section of the annual inspection report; b) If applicable, any actions being taken in response to those recommendations; and c) If, following receipt of the recommendations and (if applicable) recommended actions, the administering authority requests a copy of the annual inspection report from the holder, provide this to the administering authority within ten (10) business days of receipt of the request.
- H27
The holder must provide a copy of any reports, documentation and certifications prepared under this authority, including but not limited to any Register of Regulated Structures, consequence assessment, design plan and other supporting documentation, to a new holder on transfer of this authority.
- H28
Register of Regulated Structures A Register of Regulated Structures must be established and maintained by the environmental authority holder for each regulated structure.
- H29
The environmental authority holder must provisionally enter the required information in the Register of Regulated Structures when a design plan for a regulated dam is submitted to the administering authority.
- H30
The environmental authority holder must make a final entry of the required information in the Register of Regulated Structures once compliance with conditions H11 and H12 has been achieved.
- H31
The environmental authority holder must ensure that the information contained in the Register of Regulated Structures is current and complete on any given day.
- H32
All entries in the Register of Regulated Structures must be approved by the chief executive officer for the holder of this authority, or their delegate, as being accurate and correct.
- H33
The environmental authority holder must, at the same time as providing the annual return, supply to the administering authority a copy of the records contained in the Register of Regulated Structures, in the electronic format required by the administering authority. Permit Environmental authority Schedule J: Groundwater Condition Condition number
- J1
The holder of this environmental authority must undertake all reasonable and practical measures to prevent the release of contaminants to groundwater.
- J2
All determinations of groundwater quality monitoring must be performed by an appropriately qualified person.
- J3
The holder of the environmental authority must implement a groundwater monitoring program (GMP) which has been developed by an appropriately qualified person. The program must be able to detect a significant change to groundwater quality values and standing water levels (consistent with the current suitability of the groundwater for domestic and agricultural use) due to activities that are part of this mining project. Upon request from the administering authority this GMP must be provided to the administering authority.
- J4
Groundwater affected by mining activities must be monitored at compliance bores within the nominated aquifers and minimum frequencies defined in Table J1: Groundwater monitoring locations and frequency.
- J5
The holder of the environmental authority must report groundwater monitoring results as required by condition J4 to the administering authority upon request.
- J6
If the groundwater contaminant trigger levels defined in Table J2: Groundwater contaminant trigger levels are exceeded then the environmental authority holder must complete an investigation into the potential for environmental harm. As a result of the exceedance an investigation report must be prepared and upon request from the administering authority provided to the administering authority. An action plan to mitigate potential harm must be developed by a suitably qualified person.
- J7
Bore construction and maintenance and decommissioning The construction, maintenance and management of groundwater bores (including background and compliance groundwater monitoring bores) must be undertaken in a manner that prevents or minimises impacts to the environment and ensures the integrity of the bores to obtain accurate monitoring. For all bores constructed after March 2016 the construction and decommissioning must be in accordance with the Manual for Minimum Construction Standard for Water Bores in Australia. Permit Environmental authority Table J1: Groundwater monitoring locations and frequency Aquifer [1] Minimum number of monitoring locations [1] Minimum monitoring frequency [1] Basalt 6 SWL [2] - monthly EC, pH, sulphate, major ions [3] - 6 monthly Basal Sand 6 Standard metals - 12 monthly Notes: SWL [2] - monthly EC, pH, sulphate, major ions [3] - 6 monthly Standard metals - 12 monthly [1] Relevant aquifer/s, number of bores and monitoring frequencies to be determined by an appropriately qualified person. [2] SWL means standing water level. [3] Major ions are defined as calcium, magnesium, sodium, potassium, chloride, carbonate, bicarbonate and sulfate. Table J2: Groundwater contaminant trigger levels Parameter Unit Trigger levels Limit type Basalt (west) Basalt (east) Basal sand Basal sand (west) (east) Standing water RL >2m drawdown >2m drawdown >2m drawdown >2m drawdown Maximum level from background from background from background from background pH units level level level level Minimum/ Maximum pH -S/cm Maximum [1] Electrical 6.5 - 9.5 1,500 3,720 1,790 conductivity 4,950 Total dissolved mg/L 3,000 940 2,060 970 Maximum [1] solids Interpretative purposes only [3] Interpretative purposes only [3] Sulfate mg/L - - - - Calcium mg/L - - - - Magnesium mg/L - - - - Interpretative purposes only [3] Sodium mg/L - - - Interpretative purposes only [3] Potassium mg/L - - - - Interpretative purposes only [3] Chloride mg/L - - - - Interpretative purposes only [3]