โ™ป๏ธap environmental science review

National Pollutant Discharge Elimination System (NPDES)

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

The National Pollutant Discharge Elimination System is a program under the Clean Water Act that regulates point source pollution by requiring permits for any entity discharging pollutants into U.S. waters.

AP course connection

Topic 8.11: 8.11 Sewage Treatment

Unit 8

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