StacksVerified U.S. regulatory reference

Part 122 — EPA Administered Permit Programs: the National Pollutant Discharge Elimination System

Subpart A — Definitions and General Program Requirements

Subpart B — Permit Application and Special NPDES Program Requirements

Subpart C — Permit Conditions

Subpart D — Transfer, Modification, Revocation and Reissuance, and Termination of Permits