PART 122—EPA ADMINISTERED PERMIT PROGRAMS: THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
- SUBPART A—Definitions and General Program Requirements (§122.1 to §122.7)
- SUBPART B—Permit Application and Special NPDES Program Requirements (§122.21 to §122.37)
- SUBPART C—Permit Conditions (§122.41 to §122.50)
- SUBPART D—Transfer, Modification, Revocation and Reissuance, and Termination of Permits (§122.61 to §122.64)