Water

Environment Protection Licences

 

The Snowy Mountains Scheme is operated in accordance with three Environment Protection Licences. These Licences issued by the NSW Office of Environment and Heritage outline the conditions relating to pollution prevention and monitoring.

Environment Protection Licences regulate air, noise, water and waste impacts and are issued to the owners or operators of various types of premises under the Protection of the Environment Operations Act 1997.

Copies of Snowy Hydro’s Environment Protection Licences can be viewed below;
EPL 13161 Transporter of Waste

EPL 10379 Cabramurra Town Sewage Treatment Plant

EPL 10515 Scheme Wide Operations

This Pollution Incident Response Management Plan has been developed and made publicly available in accordance with Part 3A clause 98D(2) & 98D(3) of the Protection of the Environment Operations (General) Amendment (Pollution Incident Response Management Plans) Regulation 2012 for Snowy Hydro Limited Environmental Protection Licences (EPL) 10515, 10379 & 13161.

– Public Pollution Incident Response Management Plan

 

Monitoring data collected as a result of a licence condition can be seen below:
EPL10515 Monitoring Results Power and Pumping Stations

EPA Identification No. Description of Location TPH Concentration Monitoring Data
1 Murray 1 Power Station North Drainage Pit Chart Link
2 Murray 1 Power Station South Drainage Pit Chart Link
4 Murray 2 Power Station Drainage Pit Chart Link
7 Tumut 1 Power Station Drainage Pit Chart Link
9 Tumut 2 Power Station Drainage Pit Chart Link
10 Tumut 3 Power Station Drainage Pit Chart Link
11 Guthega Power Station oil/water separator discharge line Chart Link
13 Blowering Power Station Drainage Pit Chart Link
14 Jindabyne Pumping Stationoil/water separator outlet Chart  Link
16 Eucumbene Dam River Outlet Worksoil/water separator discharge Chart  Link
26 Jounama Power Station Drainage Pit Chart Chart Chart  Link


EPL10515 Pollutant Discharge Limit Conditions
Pollutant Unit of Measure 50 percentile concentration limit
90 percentile concentration limit 100 percentile concentration limit
Total Petroleum Hydrocarbons mg/L 8 10 15

These conditions apply to all TPH discharges from power/pumping stations across the scheme. 


EPL10379 Monitoring Results – Cabramurra Sewage Treatment Plant

EPA

Identification

No.

Location

 Monitoring

Data

Discharge and Pollutant

Monitoring Data

2 Discharge from STP Outlet Tap Link Chart
3 Upstream of STP discharge point Link
4 Downstream of STP discharge point Link

 

EPL10379 Volume Discharge Limit Conditions -Cabramurra Sewage Treatment Plant
Pollutant Unit of Measure 60 Percentile concentration limit 90 Percentile concentration limit 100 Percentile concentration limit
Oil & Grease mg/L 2 2 10
pH pH units 6.5-8.5 6.5-8.5 6.5-9
Nitrogen (total) mg/L 10 10 15
Phosphorous (total) mg/L 0.3 0.3 1
BOD mg/L 10 10 20
Total Suspended Solids mg/L 15 15 30
Faecal Coliforms CFU/100ml 200 200 600
Nitrogen (Ammonia) mg/L 2 2 3


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