REGULATIONS
Rulings
AD/CVD
Notices
HTSUS
U.S. Code
Regs
More
Ports
About
Updates
Apps
Larger font
Smaller font
SEARCH
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
Regulations last checked for updates: May 12, 2025
Title 40 - Protection of Environment last revised: Apr 12, 2028
All Titles
Title 40
Chapter I
Part 122 - PART 122—EPA ADMINISTERED PERMIT PROGRAMS: THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Subpart A [§ 122.1 - § 122.7] - Subpart A—Definitions and General Program Requirements
Subpart B [§ 122.21 - § 122.38] - Subpart B—Permit Application and Special NPDES Program Requirements
Subpart C [§ 122.41 - § 122.50] - Subpart C—Permit Conditions
Subpart D [§ 122.61 - § 122.64] - Subpart D—Transfer, Modification, Revocation and Reissuance, and Termination of Permits
authority:
The Clean Water Act,
33 U.S.C. 1251
source:
48 FR 14153, Apr. 1, 1983, unless otherwise noted.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!