Jump to main content or area navigation.

Contact EPA Pacific Southwest Water Division

Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

NPDES Wastewater & Stormwater Permits

NPDES Quick Finder
NPDES HomeCompliance & EnforcementState Programs NEPA ProjectsGuidance Permits and Public NoticesPretreatment Sewage Sludge (biosolids) Stormwater

All links in this section exit EPA. Exiting EPA (disclaimer)

State Programs

The following States in Region 9 are authorized to implement the NPDES program.

Arizona
California
Hawaii
Nevada

 

Jump to main content.