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Code of Federal Regulations (Last Updated: May 6, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter D - Water Programs |
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Part 125 - Criteria and Standards for the National Pollutant Discharge Elimination System |
| 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. |
| Subpart B - Criteria for Issuance of Permits to Aquaculture Projects |
| § 125.10 - Purpose and scope. |
| § 125.11 - Criteria. |
| Subpart C - XXX |
| 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. |
| Subpart E - Criteria for Granting Economic Variances From Best Available Technology Economically Achievable Under Section 301(c) of the Act |
| Subpart F - Criteria for Granting Water Quality Related Variances Under Section 301(g) of the Act |
| 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. |
| § 125.63 - 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 to Subpart G of Part 125 - Applicant Questionnaire for Modification of Secondary Treatment Requirements |
| 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). |
| 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? |
| 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] |
| Subpart K - XXX |
| § 125.100 - Purpose and scope. |
| § 125.101 - Definition. |
| § 125.102 - Applicability of best management practices. |
| § 125.103 - Permit terms and conditions. |
| § 125.104 - Best management practices programs. |
| Subpart L - Criteria and Standards for Imposing Conditions for the Disposal of Sewage Sludge Under Section 405 of the Act |
| 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. |
| 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? |