https://www.epa.gov/npdes/npdes-stormwater-program
NPDES Stormwater Program | US EPA
The National Pollutant Discharge Elimination System (NPDES) stormwater program regulates some stormwater discharges from three potential sources: municipal...
npdes stormwater programusepa
https://www.epa.gov/npdes-permits/npdes-stormwater-program-region-6
NPDES Stormwater Program in Region 6 | US EPA
Nov 5, 2025 - EPA's stormwater program for Arkansas, Louisiana, New Mexico, Oklahoma, and Texas (Region 6).
npdes stormwater programregionusepa