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Regulations last checked for updates: May 16, 2025
Title 40 - Protection of Environment last revised: Nov 16, 2025
All Titles
Title 40
Chapter I
Part 125
Subpart G - Subpart G—Criteria for Modifying the Secondary Treatment Requirements Under Section 301(h) of the Clean Water Act
§ 125.56 - Scope and purpose.
§ 125.57 - Law governing issuance of a section 301(h) modified permit.
§ 125.58 - Definitions.
§ 125.59 - General.
§ 125.60 - Primary or equivalent treatment requirements.
§ 125.61 - Existence of and compliance with applicable water quality standards.
§ 125.62 - Attainment or maintenance of water quality which assures protection of public water supplies; assures the protection and propagation of a balanced indigenous population of shellfish, fish, and wildlife; and allows recreational activities.
§ 125.63 - Establishment of a monitoring program.
§ 125.64 - Effect of the discharge on other point and nonpoint sources.
§ 125.65 - Urban area pretreatment program.
§ 125.66 - Toxics control program.
§ 125.67 - Increase in effluent volume or amount of pollutants discharged.
§ 125.68 - Special conditions for section 301(h) modified permits.
Appendix Appendix to - Appendix to Subpart G of Part 125—Applicant Questionnaire for Modification of Secondary Treatment Requirements
authority:
The Clean Water Act,
33 U.S.C. 1251
source:
44 FR 32948, June 7, 1979, unless otherwise noted.
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