An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Arizona Tribal Lands NPDES Permits (excluding Navajo Nation)

In Arizona, EPA's Pacific Southwest (Region 9) issues all NPDES permits for discharges on tribal lands. See the table below for final and draft permits issued by EPA. All other permits are issued by the Arizona Department of Environmental Quality.

For State-Issued Permits: Arizona Pollutant Discharge Elimination SystemExit
See Also: Navajo Nation NPDES Permits

Draft and Final NPDES Permits

The table(s) below contains all final (i.e. active) and draft (i.e. proposed) NPDES permits issued by EPA's Pacific Southwest (Region 9) within Arizona. It includes permits for individual facilities, general permits, and stormwater permits. Click on the facility/permit name to view the permit and supporting documents.

Draft Permits
Facility / Discharger Location Permit Number Permit Status
There are currently no draft permits issued for review.     Draft
Final Permits
Location Permit Number Permit Status Effective Date Expiration Date
Canyon Day Sand and Gravel Wash Process Plant
White Mountain Apache Tribe Public Works Department
Whiteriver (White Mountain Apache Tribe) AZ0024511 Final April 1, 2018 March 31, 2023
Sunrise Day Lodge WWTP
Sunrise Day Lodge, White Mountain Apache Tribe
Greer (White Mountain Apache Tribe) AZ0022829 Final 03/01/2015 02/29/2020
91st Avenue WWTF
City of Phoenix
Tolleson AZ0020524 Final 12/01/2016 11/30/2021
Cyprus Tohono Mine Facility
Cyprus Tohono Corporation
Casa Grande (Tohono O'odham Nation) AZ0024601 Final 12/01/2013 11/30/2018
Northwest Water Reclamation Plant
City of Mesa
Mesa (Salt River Pima Maricopa
Indian Community)
AZ0024627 Final 08/01/2013 07/31/2018
Colorado River Sewage System Joint Venture
Colorado River Sewage System Joint Venture
Parker AZ0021415 Final 05/01/2015 04/30/2020
Alchesay Hatchery White Mountain Apache Tribe
U.S. Fish & Wildlife Service
Whiteriver AZ0000116 Final 12/10/2013 01/31/2019
Williams Creek National Fish Hatchery
U.S. Fish & Wildlife Service
Whiteriver AZ0000124 Final 02/01/2014 01/31/2019
Sunrise Hotel WWTF
Sunrise Hotel, White Mountain Apache Tribe
Greer (White Mountain Apache Tribe) AZ0022837 Final 03/01/2015 02/29/2020
Whiteriver Sewage Lagoons
Tribal Utility Authority, White Mountain Apache Tribe
Whiteriver (White Mountain Apache Tribe) AZ0024058 Final 06/01/2016 05/30/2021
Cyclone Day Lodge
White Mountain Apache Tribe
Greer (White Mountain Apache Tribe) AZ0024571 Final 03/01/2015 02/29/2020
Hon-Dah Regional WWTF
White Mountain Apache Tribe
McNary (White Mountain Apache Tribe) AZ0024589 Final 06/01/2016 05/30/2021
Upper Village of Moenkopi WWTF
Hopi Indian Nation
Tuba City (Hopi Indian Nation) AZ0024619 Final 01/01/2018 12/31/2022
Mission Complex
Sahuarita (Tohono O'odham Nation) AZ0024635 Final 01/01/2015 12/31/2019