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Regulations last checked for updates: May 17, 2025
Title 40 - Protection of Environment last revised: Nov 17, 2025
All Titles
Title 40
Chapter I
Part 123
Subpart B - Subpart B—State Program Submissions
§ 123.21 - Elements of a program submission.
§ 123.22 - Program description.
§ 123.23 - Attorney General's statement.
§ 123.24 - Memorandum of Agreement with the Regional Administrator.
§ 123.25 - Requirements for permitting.
§ 123.26 - Requirements for compliance evaluation programs.
§ 123.27 - Requirements for enforcement authority.
§ 123.28 - Control of disposal of pollutants into wells.
§ 123.29 - Prohibition.
§ 123.30 - Judicial review of approval or denial of permits.
§ 123.31 - Requirements for eligibility of Indian Tribes.
§ 123.32 - Request by an Indian Tribe for a determination of eligibility.
§ 123.33 - Procedures for processing an Indian Tribe's application.
§ 123.34 - Provisions for Tribal criminal enforcement authority.
§ 123.35 - As the NPDES Permitting Authority for regulated small MS4s, what is my role?
§ 123.36 - Establishment of technical standards for concentrated animal feeding operations.
authority:
Clean Water Act,
33 U.S.C. 1251
source:
48 FR 14178, Apr. 1, 1983, unless otherwise noted.
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