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NPDES Permits and Stormwater
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National Links
Recent Additions
Clarifier
The federal Clean Water Act requires that all municipal, industrial and commercial facilities that discharge wastewater directly from a point source (a discrete conveyance such as a pipe, ditch or channel) into a receiving waterbody (lake, river, ocean) must obtain a National Pollutant Discharge Elimination System (NPDES) permit.
Pipe discharging treated wastewater
Facilities that discharge wastewater to a publicly owned treatment works (POTW), (which in turn discharge into a receiving waterbody) are controlled by the National Pretreatment Program and are not subject to NPDES permits.
Programs & Resources
- Public Notices
- Grants
- State NPDES Programs
- Activities related to NPDES Permitting
- NPDES Permits Issued by Region 9 Indian lands, the Pacific Islands and federal waters beyond state boundaries
- Region 9 Guidance
- National Environmental Policy Act (NEPA) projects
- Contact
Doug Eberhardt (eberhardt.doug@epa.gov)
(415) 972-3420