General NPDES Permits
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.
On this page:
Placer Mining
- Small Suction Dredge Placer Mining Operations
- Medium-Size Suction Dredge Placer Mining Operations
Draft General Permit for Medium-size Suction Dredge Placer Miners (comment period ended December 9, 2010)
General Permit for Medium-size Suction Dredge Placer Miners (effective October 4, 2005 -- October 4, 2010)
- Mechanical Placer Mining Operations
Go to top of page
Seafood Processing
Offshore Seafood Processors in Alaska
Final General Permit for Offshore Seafood Processors in Alaska (PDF) (37 pp. 184K) (only for those operating & discharging in federal waters off the coast of Alaska) (effective March 1, 2010--February 28, 2015)
Alaskan Seafood Processors General Permit (coastal seas and tidal rivers of Alaska and the fishery conservation zone adjacent to Alaska). (effective July 27, 2001 -- July 27, 2006)
For questions, contact Lindsay Guzzo at 206-553-0268 or guzzo.lindsay@epa.gov.
General Permit for Seafood Processors in Kodiak (effective May 1, 1998 -- April 30, 2003)
General Permit for Pribilof Onshore & Offshore Seafood Processors and the City of St. Paul (effective February 8, 1999 -- February 8, 2004)
For questions, contact Kathleen Collins at 206-553-2108 or collins.kathleen@epa.gov.
Go to top of page
Oil and Gas
Arctic Oil and Gas Exploration General Permit
The Arctic NPDES General Permit for oil/gas exploration expired June 2011. Region 10 will re-issue the General Permit as separate Beaufort and Chukchi Exploration General Permits (GPs) by October 2012.
Cook Inlet Oil and Gas Exploration General Permit (effective 07/02/07--07/02/12)
Revision to Cook Inlet Oil & Gas Exploration General Permit
- Final Re-Proposed Effluent Limits of the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (8 pp, 361K) - effective December 7, 2011, signed November 8, 2011
- Federal Register Notice for the Re-Proposed Effluent Limits for the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (1 page, 139K) - November 7, 2011
- Alaska 401 State Certification of the Re-Proposed Effluent Limits for the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (15 pp, 371K) - October 20, 2011
- Response to Comments for the Re-Proposed Effluent Limits for the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (8 pp, 39K) - October 2011
- Fact Sheet about the Re-Proposed Effluent Limits for the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (8 pp, 65K) - May 18, 2011
- Modified pages of the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (5 pp. 206K) - effective December 24, 2008
- Federal Register Notice of the Modification for the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (1 pp. 20K) - December 10, 2008
- Fact Sheet for modification of the NPDES General Permit for Oil and Gas Exploration, Development and Production Facilities in state and federal waters in Cook Inlet, Alaska (PDF) (5 pp. 1.2MB)
- Federal Register Notice of the Draft Modification for the NPDES General Permit for Oil and Gas Exploration in Cook Inlet, Alaska (PDF) (2 pp. 53K)
2007 Final Permit:
General NPDES Permit for Facilities Related to Oil and Gas Extraction
Federal Register Notice: Final Reissuance of General NPDES Permits (GP) for Facilities Related to Oil and Gas Extraction (PDF) (1 page, 145K) - January 3, 2012
- Final General Permit for Facilities Related to Oil and Gas Extraction (PDF) (36 pp, 203K) - January 2011, The permit becomes effective February 2, 2012.
- Facilities Related to Oil and Gas Extraction General Permit Response to Comments (PDF) (4 pp, 37K) - January 2012
- Facilities Related to Oil and Gas Extraction General Permit Fact Sheet (PDF) (41 pp, 482K) - July 2011
- Proposed Area of Coverage for Pipeline Corridors Map (PDF) (9 pp. 2.8MB)
- Natural Gas Development Authority Proposed Beluga to Fairbanks Natural Gas Pipeline Map (PDF) (1 page, 1.6MB)
- Preliminary Pipeline Alignment Map (PDF) (1 page, 454K)
Oooguruk Development Project (Pioneer Natural Resources, Inc.):
- Public Notice (comment period: January 11--February 10, 2007) (39k, 1pp, PDF)
- Finding of No Significant Determimation (81k, 2pp, PDF)
- Environmental Assessment (619k, 18pp, PDF)
Go to top of page
General Permits for Log Transfer Facilities in Alaska (effective December 1, 2008 -- November 30, 2013)
2008 Reissuance of General Permits for Log Transfer Facilities in Alaska effective 12/1/08--11/30/13.
Go to top of page
Small Sewage Treatment Plants
General Permit for Small Sewage Treatment Plants Discharging to Fresh Water (effective July 21, 2004 -- July 21, 2009)
General Permit for Small Sewage Treatment Plants Discharging to Marine Water (effective July 21, 2004 -- July 21, 2009)
Federal Register Notice, Fact Sheet and Response to Comments (Fresh and Marine Water)
Go to top of page
Small Suction Dredge Mining
Draft General Permit for Small Suction Dredge Mining in Idaho (Public Comment Period is open from January 22, 2010 to March 8, 2010)
Go to top of page
Concentrated Animal Feeding Operations (CAFO)
Draft General Permit for CAFOs in Idaho (Public Comment Period closed January 19, 2010)
General Permit for CAFOs in Idaho (effective May 27, 1997 -- May 27, 2002)
Go to top of page
Aquaculture
Permits for Idaho Aquaculture Facilities and Associated Fish Processing Facilities
The following permits are effective December 1, 2007—November 30, 2012. Minor modifications of the permits were effective December 21, 2009. The modified pages below are to be inserted into the original permits to replace the changed pages.
The basis for requirements in these permits are documented in the following documents;
Notices of Intent
Go to top of page
Groundwater Remediation Facilities
General Permit for Groundwater Remediation Facilities in Idaho (effective July 1, 2007 -- June 30, 2012)
Go to top of page
Washington General Permits
Federal Aquaculture Facilities and Aquaculture Facilities in Indian Country
On July 1, 2009, EPA is publishing in the Federal Register the issuance of a final NPDES general permit for Federal Aquaculture Facilities and Aquaculture Facilities in Indian Country in the state of Washington--WAG130000. The permit will be effective August 1, 2009 -- July 31, 2014.
Go to top of page
Region 10Storm Water General Permits
Storm Water Construction General Permit
Storm Water General Permit for Industrial Activities
NPDES Permits Homepage
Go to top of page