Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
NPDES Wastewater & Stormwater Permits
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NEPA Projects
The provisions of the National Environmental Policy Act (NEPA) apply to issuance of new source NPDES permits. EPA has determined that the following projects are new sources, as defined under the Clean Water Act.
Stormwater Municipal Separate Stormwater Sewer Systems (MS4) Program Audits
Completed Projects:
- Carlota Copper Co. (Gila and Pinal Counties, AZ). Record of Decision 2/27/02
- Kyrene Expansion Project (Tempe, AZ)
- San Francisco Bay Long Term Management Strategy for Dredging (LTMS)