https://www.epa.gov/npdes/npdes-permit-basics
NPDES Permit Basics | US EPA
Answers to questions like what is an NPDES permit, what is a pollutant, do I need an NPDES permit, etc.
npdes permitbasicsusepa
https://www.epa.gov/npdes-permits/npdes-permit-yvonne-desjarlais-eldorado-creek-alaska
NPDES Permit for Yvonne Desjarlais (Eldorado Creek) in Alaska | US EPA
Mar 23, 2026 - EPA's NPDES permit to Yvonne Desjarlais (formerly issued to Gold Vault Mining Company) for discharging to Eldorado Creek in Denali National Park in Alaska.
npdes permityvonnedesjarlais
https://www.epa.gov/npdes-permits/npdes-permit-wapato-wastewater-treatment-plant-washington
NPDES Permit for Wapato Wastewater Treatment Plant in Washington | US EPA
Sep 12, 2025 - EPA's NPDES wastewater permit for the City of Wapato Wastewater Treatment Plant on the Yakama Reservation in Washington.
wastewater treatment plantnpdes permitin washingtonwapato
https://www.epa.gov/npdes-permits/npdes-permit-hotchkiss-national-fish-hatchery-colorado
NPDES Permit for Hotchkiss National Fish Hatchery in Colorado | US EPA
Oct 16, 2025 - The U.S. Department of the Interior, Fish and Wildlife Service is authorized to discharge under from outfalls at its Hotchkiss National Fish Hatchery...
npdes permitfish hatcheryin coloradohotchkissnational
https://19january2021snapshot.epa.gov/npdes-permits/npdes-permit-yakama-nation-legends-casino-wastewater-treatment-plant-washington_.html
NPDES Permit for Yakama Nation Legends Casino Wastewater Treatment Plant in Washington | NPDES...
Nov 20, 2020 - EPA's NPDES wastewater permit for the Legends Casino Wastewater Treatment Plant on the Yakama Reservation in Washington.
wastewater treatment plantnpdes permityakama nation
https://19january2021snapshot.epa.gov/npdes-permits/final-npdes-permit-adjuntas-regional-wastewater-treatment-plant-adjuntas-puerto-rico_.html
Final NPDES Permit for Adjuntas Regional Wastewater Treatment Plant in Adjuntas, Puerto Rico |...
Aug 7, 2020 - EPA's NPDES wastewater permit for the Adjuntas Regional Wastewater Treatment Plant in Adjuntas, Puerto Rico.
wastewater treatment plantnpdes permit
https://www.epa.gov/npdes-permits/npdes-permit-jocko-river-trout-hatchery-montana
NPDES Permit for Jocko River Trout Hatchery in Montana | US EPA
Jun 17, 2025 - Under NPDES permit MT-0030546, the Jocko River Trout Hatchery is authorized to discharge wastewater from its fish hatchery in Lake County, Montana to to the...
npdes permitriver troutjocko
https://www.epa.gov/npdes-permits/npdes-permit-kamiah-water-treatment-plant-idaho
NPDES permit for Kamiah Water Treatment Plant in Idaho | US EPA
Mar 12, 2026 - EPA's NPDES wastewater permit for the City of Kamiah Water Treatment Plant on the Nez Perce Reservation in Idaho.
water treatment plantnpdes permitkamiah
https://www.epa.gov/npdes-permits/npdes-permit-yellowtail-dam-wastewater-treatment-facility-montana
NPDES Permit for Yellowtail Dam Wastewater Treatment Facility in Montana | US EPA
Jun 17, 2025 - Under NPDES permit MT-0022993, the U.S. Bureau of Reclamation is authorized to discharge from its wastewater treatment facility located at the Yellowtail Dam...
wastewater treatment facilitynpdes permit
https://des.sc.gov/programs/bureau-water/national-pollutant-discharge-elimination-system-npdes/npdes-permit-cancellations-and-terminations
NPDES Permit Cancellations and Terminations | South Carolina Department of Environmental Services
CancellationsThe major difference between cancellation and termination of a permit is that a cancellation is carried out with the consent of the permittee...
npdes permitsouth carolinadepartment ofcancellationsterminations
https://dnrec.delaware.gov/2019/05/08/npdes-permit/
NPDES Permit: Mobile Gardens Mobile Home Park - DNREC
Jul 21, 2020 - Mobile Gardens Mobile Home Park has filed an application for reissuance of its NPDES Permit to discharge treated wastewater from its sanitary wastewater...
npdes permitgardens homemobilepark
https://www.epa.gov/tx/npdes-permit-rating-worksheet-0
NPDES Permit Rating Worksheet | US EPA
npdes permitratingworksheetusepa
https://lwa.com/projects/npdes-permit-renewal-and-regulatory-support/
SacSewer NPDES Permit Renewal and Regulatory Support - Larry Walker Associates
What Sets Us Apart Long-term Partnership: We have provided over three decades of continuous support, demonstrating our commitment and deep understanding of
npdes permitregulatory supportlarry walkerrenewalassociates
https://www3.epa.gov/npdes/pwt-04-2026/application-process/story.html
The NPDES Permit Application Process
npdes permitapplicationprocess
https://epa.illinois.gov/topics/forms/water-permits/pesticide.html
General NPDES Permit for Pesticide Application Point Source Discharges
On November 27, 2006, USEPA issued a final rule to codify its interpretation of the CWA as not requiring an NPDES permit for application of pesticides to,...
npdes permitpesticide applicationpoint sourcegeneraldischarges
https://www.epa.gov/npdes-permits/about-region-10s-npdes-permit-program
About Region 10's NPDES Permit Program | US EPA
Sep 26, 2025 - General information about EPA's NPDES permit program serving Alaska, Idaho, Oregon, and Washington (Region 10).
about regionnpdes permitprogramusepa
https://www.epa.gov/npdes/npdes-permit-limits
NPDES Permit Limits | US EPA
Descriptions of impaired waters, TBELs, WQBELs, watershed-based permitting, and WET.
npdes permitlimitsusepa
https://www.epa.gov/npdes/npdes-permit-writers-manual-concentrated-animal-feeding-operations
NPDES Permit Writers' Manual for Concentrated Animal Feeding Operations | US EPA
Sep 12, 2025 - This manual is designed to provide general information on the CWA and NPDES requirements for CAFOs, explain CAFO permitting, and provide technical information...
animal feeding operationsnpdes permitwritersmanual
https://www.epa.gov/npdes-permits/npdes-permit-potlatchdeltic-st-maries-idaho
NPDES Permit for PotlatchDeltic in St. Maries, Idaho | US EPA
Jul 18, 2025 - EPA's NPDES wastewater permit for PotlatchDeltic Land and Lumber in St. Maries, Idaho.
npdes permitst mariespotlatchdelticidahous
https://www.epa.gov/npdes-permits/npdes-permit-chief-joseph-dam-washington
NPDES permit for Chief Joseph Dam in Washington | US EPA
Jan 26, 2026 - EPA's NPDES discharge permit for the Chief Joseph Dam in Washington.
npdes permitfor chiefin washingtonjosephdam
https://www.epa.gov/npdes-permits/npdes-permit-colorado-national-monument-colorado
NPDES Permit for Colorado National Monument in Colorado | US EPA
Jun 20, 2025 - Under National Pollutant Discharge Elimination System permit number CO0034975, the National Park Service is directed to have no discharge from the wastewater...
colorado national monumentnpdes permitin usepa
https://dnrec.delaware.gov/2019/05/19/10999/
NPDES Permit: MOT Regional Wastewater Treatment Plant - DNREC
Jul 21, 2020 - The New Castle Co. Dept. Special Services has applied for reissuance of its National Pollutant Discharge System Permit to discharge treated wastewater from...
wastewater treatment plantnpdes permitmotregional
https://www.tn.gov/environment/calendar-of-events/2026/5/7/wr-public-hearing-for-proposed-npdes-permit-for-kimberly-clark-corporation.html
wr public hearing for proposed NPDES permit for kimberly-clark corporation
public hearingnpdes permitkimberly clarkwrproposed
https://www.epa.gov/npdes-permits/npdes-permit-queets-village-wastewater-treatment-plant-washington
NPDES Permit for Queets Village Wastewater Treatment Plant in Washington | US EPA
Apr 10, 2026 - EPA's NPDES wastewater permit for the Queets Village Wastewater Treatment Plant on the Quinault Indian Reservation in Washington.
wastewater treatment plantnpdes permit
https://www.epa.gov/npdes-permits/draft-npdes-permit-guayama-water-treatment-plant-puerto-rico
Draft NPDES Permit for Guayama Water Treatment Plant in Puerto Rico | US EPA
Jan 28, 2026 - EPA's NPDES wastewater permit for the Guayama Water Treatment Plant in Puerto Rico.
water treatment plant
https://www.epa.gov/npdes-permits/npdes-permit-buckley-space-force-base-municipal-separate-storm-sewer-system-colorado
NPDES Permit for Buckley Space Force Base Municipal Separate Storm Sewer System in Colorado | US EPA
Oct 31, 2025 - Under NPDES permit COR-042003, the U.S. Space Force is authorized to discharge from all MS4 outfalls existing as of the effective date of this permit to...
https://www.epa.gov/npdes-permits/npdes-permit-eastern-band-cherokee-indians-ebci-trout-hatchery
NPDES Permit for Eastern Band of Cherokee Indians (EBCI) Trout Hatchery | US EPA
Apr 21, 2026 - EPA's NPDES wastewater permit for the EBCI Trout Hatchery located within the Eastern Band of Cherokee Indian (EBCI) Tribal boundary.
https://www.epa.gov/npdes-permits/final-npdes-permit-aguas-buenas-wastewater-treatment-plant-puerto-rico
Final NPDES Permit for Aguas Buenas Wastewater Treatment Plant in Puerto Rico | US EPA
Oct 2, 2025 - EPA's NPDES wastewater permit for the Aguas Buenas Wastewater Treatment Plant in Puerto Rico.
https://www.epa.gov/npdes-permits/npdes-permit-city-orofino-wastewater-treatment-plant-idaho
NPDES Permit for City of Orofino Wastewater Treatment Plant in Idaho | US EPA
Nov 5, 2025 - EPA's NPDES wastewater permit for City of Orofino Wastewater Treatment Plant on the Nez Perce Reservation in Idaho.
wastewater treatment plant
https://dnrec.delaware.gov/2019/12/15/npdes-aquatic-pesticides-general-permit-npdes-permit-no-de-0051241/
NPDES Aquatic Pesticides General Permit NPDES Permit No. DE 0051241 - DNREC
Jul 21, 2020 - The Delaware Department of Natural Resources and Environmental Control (DNREC) is providing public notice on the draft National Pollutant Discharge Elimination...
npdesaquaticpesticidesgeneralpermit
https://digitalcollections.library.oregon.gov/nodes/view/133525
2016 CAFO NPDES general permit #01 and evaluation report and fact sheet | State Library of Oregon...
Date: 2016 | Collection: Environmental Quality | Collection: Agriculture | Publication Set: CAFO NPDES general permit #01 and evaluation report and fact sheet...
https://www.epa.gov/npdes-permits/final-npdes-permit-adjuntas-new-water-treatment-plant-puerto-rico
Final NPDES Permit for Adjuntas New Water Treatment Plant in Puerto Rico | US EPA
Oct 2, 2025 - EPA's NPDES wastewater permit for the Aguas Buenas Wastewater Treatment Plant in Puerto Rico.
https://19january2021snapshot.epa.gov/npdes-permits/npdes-permit-paradise-wastewater-treatment-plant-mount-rainier-national-park_.html
NPDES Permit for Paradise Wastewater Treatment Plant at Mount Rainier National Park in Washington |...
Nov 20, 2020 - EPA's NPDES wastewater permit for the Paradise Wastewater Treatment Plant at Mount Rainier National Park in Washington.
mount rainier national park
https://19january2021snapshot.epa.gov/npdes-permits/npdes-permit-city-eagle-butte-wastewater-treatment-facility-south-dakota_.html
NPDES Permit for City of Eagle Butte Wastewater Treatment Facility in South Dakota | NPDES Permits...
Nov 2, 2020 - Under NPDES permit SD-0020192, the City of Eagle Butte, South Dakota, is authorized to discharge from its wastewater treatment facility within the Cheyenne...
https://www.epa.gov/npdes-permits/npdes-permit-city-craigmont-wastewater-treatment-plant-idaho
NPDES Permit for City of Craigmont Wastewater Treatment Plant in Idaho | US EPA
Nov 25, 2025 - EPA's NPDES wastewater permit for the City of Craigmont Wastewater Treatment Plant in Idaho.
wastewater treatment plant
https://www.epa.gov/npdes-permits/bois-forte-nett-lake-wastewater-stabilization-lagoon-npdes-permit-minnesota
Bois Forte-Nett Lake Wastewater Stabilization Lagoon NPDES Permit in Minnesota | US EPA
Aug 25, 2025 - NPDES permit documents for Bois Forte-Nett Lake Wastewater Stabilization Lagoon.
https://www.epa.gov/npdes-permits/npdes-permit-riverview-estates-wastewater-treatment-facility-north-dakota
NPDES Permit for Riverview Estates Wastewater Treatment Facility in North Dakota | US EPA
Aug 27, 2025 - Under National Pollutant Discharge Elimination System permit number ND-0031143, the Riverview Estates Wastewater Treatment Facility is authorized to discharge...
wastewater treatment facility
https://www.epa.gov/npdes-permits/final-npdes-permit-aguadilla-montana-water-treatment-plant-aguadilla-puerto-rico
Final NPDES Permit for Aguadilla Montana Water Treatment Plant in Aguadilla, Puerto Rico | US EPA
Nov 7, 2025 - EPA's NPDES water permit for the Aguadilla Montana Water Treatment Plant in Aguadilla, Puerto Rico.
https://www.epa.gov/npdes-permits/final-npdes-permit-ponce-water-treatment-plant-ponce-puerto-rico
Final NPDES Permit for Ponce Water Treatment Plant in Ponce, Puerto Rico | US EPA
Jan 29, 2026 - EPA's NPDES water permit for the Ponce Water Treatment Plant in Ponce, Puerto Rico.
water treatment plant
https://www.epa.gov/npdes-permits/final-npdes-permit-corozal-water-treatment-plant-corozal-puerto-rico
Final NPDES Permit for Corozal Water Treatment Plant in Corozal, Puerto Rico | US EPA
Apr 1, 2026 - EPA's NPDES wastewater permit for the Corozal Treatment Plant in Puerto Rico.
water treatment plant
https://www.michigan.gov/egle/about/organization/water-resources/npdes/how-to-apply-for-an-npdes-permit
NPDES - How to Apply for a Permit
How to Apply for an NPDES Permit
how to applynpdespermit
https://waterboards.ca.gov/water_issues/programs/stormwater/construction/general_permit_reissuance.html
NPDES 2022 Construction Stormwater General Permit | California State Water Resources Control Board
construction stormwater
https://www.epa.gov/npdes-permits/final-npdes-permit-coto-laurel-water-treatment-plant-ponce-puerto-rico
Final NPDES Permit for Coto Laurel Water Treatment Plant in Ponce, Puerto Rico | US EPA
Jul 24, 2025 - EPA's NPDES water permit for the Coto Laurel Water Treatment Plant in Ponce, Puerto Rico.
https://www.epa.gov/npdes-permits/npdes-permit-city-ronan-wastewater-treatment-facility-montana
NPDES Permit for City of Ronan Wastewater Treatment Facility in Montana | US EPA
Jun 17, 2025 - Under NPDES permits MT-0021474, the City of Ronan, Montana is authorized to discharge from its wastewater treatment facility in Lake County to an unnamed...
wastewater treatment facility
https://www.epa.gov/npdes-permits/npdes-stormwater-permit-joint-base-lewis-mcchord-ms4-washington
NPDES Stormwater Permit for Joint Base Lewis-McChord MS4 in Washington | US EPA
Mar 5, 2026 - EPA's NPDES MS4 stormwater permit for Joint Base Lewis-McChord (JBLM) in Washington.
joint base lewis mcchord
https://www.epa.gov/npdes-permits/npdes-stormwater-permit-naval-station-everett-ms4-washington
NPDES Stormwater Permit for Naval Station Everett MS4 in Washington | US EPA
Jan 30, 2026 - EPA's NPDES stormwater permit for Naval Station Everett MS4 in Washington.
naval station everettnpdes stormwater
https://www.epa.gov/npdes-permits/npdes-permit-us-department-energy-national-laboratory-rockies-south-table-mountain
NPDES Permit for U.S. Department of Energy National Laboratory of the Rockies, South Table Mountain...
Apr 10, 2026 - Under NPDES permit number COR-042009, the U.S. Department of Energy is authorized to discharge from municipal separate storm sewer system outfalls at the...
https://www.epa.gov/npdes-permits/npdes-permit-symes-hot-springs-hotel-and-mineral-baths-montana
NPDES Permit for Symes Hot Springs Hotel and Mineral Baths in Montana | US EPA
Jun 18, 2025 - Under NPDES permit MT0030619, Symes Hot Springs, Montana, is authorized to discharge from its mineral baths and pools located in Sanders County, Montana, to...
https://www.epa.gov/npdes-permits/draft-npdes-permit-naranjito-wastewater-treatment-plant-puerto-rico
Draft NPDES Permit for Naranjito Wastewater Treatment Plant in Puerto Rico | US EPA
Jan 28, 2026 - EPA's NPDES wastewater permit for the Naranjito Water Treatment Plant in Puerto Rico.
wastewater treatment plant
https://www.epa.gov/npdes-permits/region-8-npdes-lagoon-general-permit
Region 8 NPDES Lagoon General Permit | US EPA
Dec 30, 2025 - The Region 8 NPDES Lagoon General Permit was public noticed in the Federal Register on August 25, 2021. The final permits are effective as of April 1, 2022.
regionnpdeslagoongeneralpermit
https://www.epa.gov/npdes-permits/draft-npdes-permit-la-pica-water-treatment-plant-puerto-rico
Draft NPDES Permit for La Pica Water Treatment Plant in Puerto Rico | US EPA
Jan 28, 2026 - EPA's NPDES wastewater permit for the La Pica Water Treatment Plant in Puerto Rico.
https://www.epa.gov/npdes-permits/final-npdes-permit-aguas-buenas-water-treatment-plant-aguas-buenas-puerto-rico
Final NPDES Permit for Aguas Buenas Water Treatment Plant in Aguas Buenas, Puerto Rico | US EPA
Apr 1, 2026 - EPA's NPDES wastewater permit for the Aguas Buenas Water Treatment Plant in Puerto Rico.
https://ceqanet.lci.ca.gov/2022030563
City of Calistoga, Wastewater Treatment Plant - Reissuance of NPDES Permit
2022030563 - 2022-03-21 - NOE - City of Calistoga, Wastewater Treatment Plant - Reissuance of NPDES Permit
wastewater treatment plantcity ofcalistogareissuancenpdes
https://www.mass.gov/how-to/wm-15-npdes-general-permit-notice-of-intent
WM 15: NPDES General Permit Notice of Intent | Mass.gov
The process for submitting a Notice of Intent for NPDES General Permits, which the US Environmental Protection Agency issues in Massachusetts.
notice of intentwmnpdesgeneralpermit
https://echo.epa.gov/tools/data-downloads/icis-npdes-dmr-and-limit-data-set
ICIS-NPDES Permit Limit and Discharge Monitoring Report (DMR) Datasets | ECHO | US EPA
https://19january2021snapshot.epa.gov/npdes-permits/final-npdes-permit-second-unit-mamayes-ward-school-puerto-rico_.html
Final NPDES Permit for Second Unit Mamayes Ward School in Puerto Rico | NPDES Permits Around the...
Aug 18, 2020 - EPA's NPDES wastewater permit for the Second Unit Mamayes Ward School in Puerto Rico.
https://www.epa.gov/npdes-permits/npdes-permit-city-st-maries-wastewater-treatment-plant-idaho
NPDES Permit for City of St. Maries Wastewater Treatment Plant in Idaho | US EPA
Mar 5, 2026 - EPA's NPDES wastewater permit for the City of St. Maries, Idaho.
https://19january2021snapshot.epa.gov/region8/authorization-discharge-under-national-pollutant-discharge-elimination-system-npdes-3_.html
NPDES Permit for Town of Hot Springs Wastewater Treatment Facility in Montana | NPDES Permits...
Feb 24, 2020 - Under NPDES permit MT0020591, the Town of Hot Springs, Montana, is authorized to discharge from its wastewater treatment facility located in Sanders County,...
wastewater treatment facility
https://www.epa.gov/npdes-permits/final-npdes-permit-humacao-las-piedras-water-treatment-plant-humacao-puerto-rico
Final NPDES Permit for Humacao-Las Piedras Water Treatment Plant in Humacao, Puerto Rico | US EPA
Jul 24, 2025 - EPA's NPDES water permit for the Humacao-Las Piedras Water Treatment Plant in Humacao, Puerto Rico.
https://19january2021snapshot.epa.gov/npdes-permits/corpus-christi-liquefaction-llc-npdes-permit-tx0134002_.html
Corpus Christi Liquefaction LLC - NPDES Permit TX0134002 | NPDES Permits Around the Nation | US EPA
Aug 27, 2020 - Corpus Christi Liquefaction, LLC - Major Modification TX0134002
https://www.epa.gov/npdes-permits/npdes-permit-whidbey-island-naval-air-station-ault-field-wastewater-treatment-plant
NPDES Permit for Whidbey Island Naval Air Station Ault Field Wastewater Treatment Plant in...
Aug 22, 2025 - EPA's NPDES wastewater permit for the Whidbey Island Naval Air Station Ault Field wastewater treatment plant in Oak Harbor, Washington.
https://www.epa.gov/npdes-permits/draft-npdes-permit-yabucoa-wastewater-treatment-plant-yabucoa-puerto-rico
Draft NPDES Permit for Yabucoa Wastewater Treatment Plant in Yabucoa, Puerto Rico | US EPA
Apr 21, 2026 - EPA's NPDES wastewater permit for the Yabucoa Wastewater Treatment Plant in Yabucoa, Puerto Rico.
wastewater treatment plant
https://www.epa.gov/npdes-permits/npdes-permit-potomac-electric-power-company-pepco-benning-generating-station
NPDES Permit for Potomac Electric Power Company (PEPCO) Benning Generating Station | US EPA
Apr 6, 2026 - Under National Pollutant Discharge Elimination System permit number DC0000094, the Potomac Electric Power Company (PEPCO) is authorized to discharge from the...
https://paenvironmentdaily.blogspot.com/2023/03/dep-sets-may-3-hearing-on-proposed.html
PA Environment Digest Blog: DEP Sets May 3 Hearing On Proposed NPDES Stormwater Permit For Rutter's...
The Department of Environmental Protection has scheduled a May 3 hearing on a proposed NPDES Water Quality Stormwater Discharge Permit for a...
https://www.epa.gov/npdes-permits/final-npdes-permit-cedro-arriba-water-treatment-plant-naranjito-puerto-rico
Final NPDES Permit for Cedro Arriba Water Treatment Plant in Naranjito, Puerto Rico | US EPA
Aug 14, 2025 - EPA's NPDES water permit for the Cedro Arriba Water Treatment Plant in Naranjito, Puerto Rico.
https://www.epa.gov/npdes-permits/npdes-permit-lummi-kwina-road-mbr-wastewater-treatment-plant-washington
NPDES Permit for Lummi Kwina Road MBR Wastewater Treatment Plant in Washington | US EPA
Jan 30, 2026 - EPA's NPDES wastewater permit for the Lummi Kwina Road MBR Wastewater Treatment Plant on the Lummi Reservation near Bellingham, Washington.