NPDES Permit for Hecla Grouse Creek Unit in Idaho
Transfer of permitting authority to Idaho. As of July 1, 2019, EPA has transferred authority to administer and enforce this permit to the Idaho Department of Environmental Quality. For more information, visit Idaho Pollutant Discharge Elimination System (IPDES) Program.
Below are EPA's National Pollutant Discharge Elimination System (NPDES) permit and supporting documents for the Hecla Limited Grouse Creek Unit near Stanley, Idaho.
- Permit number: ID0026468
- Effective date: December 1, 2018
- Modified: August 1, 2019
- Permit expires: November 30, 2023
- NPDES Permit (Modified), Hecla Grouse Creek Unit, Idaho, #ID0026468 (pdf)
- NPDES Permit Modification Fact Sheet (2019), Hecla Grouse Creek Unit, Idaho, #ID0026468 (pdf)
- Response to Comments on Draft Permit Modification for Hecla Grouse Creek Unit, Idaho, #ID0026468 (pdf)
- NPDES Permit Fact Sheet (Revised 2016), Hecla Grouse Creek Unit, Idaho, #ID00226468 (pdf)
- NPDES Permit Fact Sheet (2015), Hecla Grouse Creek Unit, Idaho, #ID0026468 (pdf)
- Response to Comments on Draft NPDES Permits for Hecla Grouse Creek Unit, Idaho, #ID0026468 (pdf)