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e-CFR data is current as of October 27, 2020

Title 40Chapter ISubchapter DPart 125


TITLE 40—Protection of Environment

CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

SUBCHAPTER D—WATER PROGRAMS

PART 125—CRITERIA AND STANDARDS FOR THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM

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Subpart A—CRITERIA AND STANDARDS FOR IMPOSING TECHNOLOGY-BASED TREATMENT REQUIREMENTS UNDER SECTIONS 301(B) AND 402 OF THE ACT

§125.1
Purpose and scope.
§125.2
Definitions.
§125.3
Technology-based treatment requirements in permits.
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Subpart B—CRITERIA FOR ISSUANCE OF PERMITS TO AQUACULTURE PROJECTS

§125.10
Purpose and scope.
§125.11
Criteria.
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Subpart C—[RESERVED]

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Subpart D—CRITERIA AND STANDARDS FOR DETERMINING FUNDAMENTALLY DIFFERENT FACTORS UNDER SECTIONS 301(B)(1)(A), 301(B)(2) (A) AND (E) OF THE ACT

§125.30
Purpose and scope.
§125.31
Criteria.
§125.32
Method of application.
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Subpart E—CRITERIA FOR GRANTING ECONOMIC VARIANCES FROM BEST AVAILABLE TECHNOLOGY ECONOMICALLY ACHIEVABLE UNDER SECTION 301(C) OF THE ACT [RESERVED]

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Subpart F—CRITERIA FOR GRANTING WATER QUALITY RELATED VARIANCES UNDER SECTION 301(G) OF THE ACT [RESERVED]

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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 Subpart G of Part 125—Applicant Questionnaire for Modification of Secondary Treatment Requirements
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Subpart H—CRITERIA FOR DETERMINING ALTERNATIVE EFFLUENT LIMITATIONS UNDER SECTION 316(A) OF THE ACT

§125.70
Purpose and scope.
§125.71
Definitions.
§125.72
Early screening of applications for section 316(a) variances.
§125.73
Criteria and standards for the determination of alternative effluent limitations under section 316(a).
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Subpart I—REQUIREMENTS APPLICABLE TO COOLING WATER INTAKE STRUCTURES FOR NEW FACILITIES UNDER SECTION 316(B) OF THE ACT

§125.80
What are the purpose and scope of this subpart?
§125.81
Who is subject to this subpart?
§125.82
When must I comply with this subpart?
§125.83
What special definitions apply to this subpart?
§125.84
As an owner or operator of a new facility, what must I do to comply with this subpart?
§125.85
May alternative requirements be authorized?
§125.86
As an owner or operator of a new facility, what must I collect and submit when I apply for my new or reissued NPDES permit?
§125.87
As an owner or operator of a new facility, must I perform monitoring?
§125.88
As an owner or operator of a new facility, must I keep records and report?
§125.89
As the Director, what must I do to comply with the requirements of this subpart?
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Subpart J—REQUIREMENTS APPLICABLE TO COOLING WATER INTAKE STRUCTURES FOR EXISTING FACILITIES UNDER SECTION 316(B) OF THE CLEAN WATER ACT

§125.90
Purpose of this subpart.
§125.91
Applicability.
§125.92
Special definitions.
§125.93
[Reserved]
§125.94
As an owner or operator of an existing facility, what must I do to comply with this subpart?
§125.95
Permit application and supporting information requirements.
§125.96
Monitoring requirements.
§125.97
Other permit reporting and recordkeeping requirements.
§125.98
Director requirements.
§125.99
[Reserved]
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Subpart K—[RESERVED]

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Subpart L—CRITERIA AND STANDARDS FOR IMPOSING CONDITIONS FOR THE DISPOSAL OF SEWAGE SLUDGE UNDER SECTION 405 OF THE ACT [RESERVED]

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Subpart M—OCEAN DISCHARGE CRITERIA

§125.120
Scope and purpose.
§125.121
Definitions.
§125.122
Determination of unreasonable degradation of the marine environment.
§125.123
Permit requirements.
§125.124
Information required to be submitted by applicant.
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Subpart N—REQUIREMENTS APPLICABLE TO COOLING WATER INTAKE STRUCTURES FOR NEW OFFSHORE OIL AND GAS EXTRACTION FACILITIES UNDER SECTION 316(B) OF THE ACT

§125.130
What are the purpose and scope of this subpart?
§125.131
Who is subject to this subpart?
§125.132
When must I comply with this subpart?
§125.133
What special definitions apply to this subpart?
§125.134
As an owner or operator of a new offshore oil and gas extraction facility, what must I do to comply with this subpart?
§125.135
May alternative requirements be authorized?
§125.136
As an owner or operator of a new offshore oil and gas extraction facility, what must I collect and submit when I apply for my new or reissued NPDES permit?
§125.137
As an owner or operator of a new offshore oil and gas extraction facility, must I perform monitoring?
§125.138
As an owner or operator of a new offshore oil and gas extraction facility, must I keep records and report?
§125.139
As the Director, what must I do to comply with the requirements of this subpart?

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