U.S. Code
Regulations
Constitution
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
x
Search
Search guide
U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jun 20, 2025
All Titles
Title 40
Chapter I
Part 122
Subpart A - Subpart A—Definitions and General Program Requirements
§ 122.1 - Purpose and scope.
§ 122.2 - Definitions.
§ 122.3 - Exclusions.
§ 122.4 - Prohibitions (applicable to State NPDES programs, see § 123.25).
§ 122.5 - Effect of a permit.
§ 122.6 - Continuation of expiring permits.
§ 122.7 - Confidentiality of information.
Download the GovRegs app!
