Polluted Runoff: Nonpoint Source (NPS) Pollution
New NPS National Program Guidelines are now available.
The national NPS Program has released revised Guidelines to take effect FY25. For more information, click here.
Explore
Navigate directly to the NPS Project Explorer or enter a location in the widget below to learn about nonpoint source projects in the U.S.
Nonpoint Source pollution is...
caused by rainfall or snowmelt moving over and through the ground. As the runoff moves, it picks up and carries away natural and human-made pollutants, depositing them into lakes, rivers, wetlands, coastal waters, and ground waters.Getting Started with the NPS Program!
Learn more about how states, Tribes, and territories are working to address NPS pollution.
Learn about NPS
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Action & Results
CWA §319 Grants
- National Nonpoint Source Program Highlights Report (pdf)
- Program Highlights (Coming soon!)
- Tribal Highlights
- Equity and Environmental Justice
- Contacts
For Grantees: