National Pollutant Discharge Elimination System (NPDES)
Technical
Resources
New Draft Guidance for Future NPDES CSO Permits
Open for public comment through March 21, 2024
Join NPDES News to receive updates on webinars, training, and publications.
New and Notable Resources
- Stormwater Centers of Excellence Grants
- NPDES Program Policy Addressing Environmental Justice and Equity in the NPDES Permit Program
- Case Studies of Successful Approaches to Off-Site Stormwater Management
- Understanding Nutrient Management Plans Learning Modules
- Off-Site Stormwater Management MS4 Compendium: Compendium Part 7: Off-Site Stormwater Management (pdf)
- Off-Site Stormwater Management
- Addressing PFAS Discharges in NPDES Permits and Through the Pretreatment Program and Monitoring Programs (pdf)
- Public Participation in the NPDES Permit Issuance Process (pdf)
- Low Flow Statistics Tools Handbook
- FAQs for Control Authorities on Dental Rule
- Online Training: Permit Writing Tips and Best Practices
- Compendium of State Approaches for Manure Management
- MS4 General Permit Remand Rule
- Public Participation in the NPDES Permit Issuance Process (pdf)