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:
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)
Top of page
Stormwater
These requirements are applicable for the Metlakatla Reservation and Denali National Park, for information about stormwater general permits in other areas of Alaska see Alaska Department of Environmental Conservation's stormwater website:
Top of page
Oil and Gas
Cook Inlet Oil and Gas Exploration General Permit
General NPDES Permit for Oil and Gas Geotechnical Surveys and Related Activities in Federal Waters of the Chukchi and Beaufort Seas
Top of page
Drinking Water Treatment Facilities
Permit ID: IDG380000
Effective dates: November 1, 2016 to October 31, 2021
Top of page
Small Suction Dredge Mining
Final General Permit Modification for Small Suction Dredge Mining in Idaho
The following permit is effective until April 30, 2018
Top of page
Concentrated Animal Feeding Operations (CAFO)
The following permit is effective May 9, 2012 to May 8, 2017
Final CAFO General Permit with Appendices (PDF) (78 pp, 1.6MB)
We have tentatively determined to cover the Horizon Organic Dairy in Paul, Idaho under the CAFO general permit. The comment period runs from May 13, 2013 to June 12, 2013.
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
Top of page
Groundwater Remediation Facilities
General Permit for Groundwater Remediation Facilities in Idaho (effective September 15, 2014 -- September 14, 2019)
General Permit for Groundwater Remediation Facilities in Idaho (effective July 1, 2007 -- June 30, 2012)
Top of page
Stormwater
These requirements are applicable for the State of Idaho:
Top of page
Oregon General PermitsStormwater
These requirements are applicable for Indian Country, for information about stormwater general permits in other areas of Oregon see Oregon Department of Environmental Quality's stormwater website:
Top of page
Washington General Permits
Tribal Marine Net Pen Enhancement Facilities in Washington
Permit number: WAG132000
Effective date: November 1, 2015
Expiration date: October 31, 2020
Federal Aquaculture Facilities and Aquaculture Facilities in Indian Country
Permit number: WAG130000
Effective date: August 1, 2016
Expiration date: July 31, 2021
Top of page
Stormwater
These requirements are applicable for Federal operators and Indian Country, for information about stormwater general permits in other areas of Washington see Washington State Department of Ecology's stormwater website:
Top of page