Browse Federal regulations

Read the original sections, or search by topic.

40 CFR 125.80 · What are the purpose and scope of this subpart?
40 CFR 125.81 · Who is subject to this subpart?
40 CFR 125.82 · When must I comply with this subpart?
40 CFR 125.83 · What special definitions apply to this subpart?
40 CFR 125.84 · As an owner or operator of a new facility, what must I do to comply with this subpart?
40 CFR 125.85 · May alternative requirements be authorized?
40 CFR 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?
40 CFR 125.87 · As an owner or operator of a new facility, must I perform monitoring?
40 CFR 125.88 · As an owner or operator of a new facility, must I keep records and report?
40 CFR 125.89 · As the Director, what must I do to comply with the requirements of this subpart?
40 CFR 125.90 · Purpose of this subpart.
40 CFR 125.91 · Applicability.
40 CFR 125.92 · Special definitions.
40 CFR 125.93 · [Reserved]
40 CFR 125.94 · As an owner or operator of an existing facility, what must I do to comply with this subpart?
40 CFR 125.95 · Permit application and supporting information requirements.
40 CFR 125.96 · Monitoring requirements.
40 CFR 125.97 · Other permit reporting and recordkeeping requirements.
40 CFR 125.98 · Director requirements.
40 CFR 125.99 · [Reserved]
40 CFR 125.120 · Scope and purpose.
40 CFR 125.121 · Definitions.
40 CFR 125.122 · Determination of unreasonable degradation of the marine environment.
40 CFR 125.123 · Permit requirements.
40 CFR 125.124 · Information required to be submitted by applicant.
40 CFR 125.130 · What are the purpose and scope of this subpart?
40 CFR 125.131 · Who is subject to this subpart?
40 CFR 125.132 · When must I comply with this subpart?
40 CFR 125.133 · What special definitions apply to this subpart?
40 CFR 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?
40 CFR 125.135 · May alternative requirements be authorized?
40 CFR 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?
40 CFR 125.137 · As an owner or operator of a new offshore oil and gas extraction facility, must I perform monitoring?
40 CFR 125.138 · As an owner or operator of a new offshore oil and gas extraction facility, must I keep records and report?
40 CFR 125.139 · As the Director, what must I do to comply with the requirements of this subpart?
40 CFR 127.1 · Purpose and scope.
40 CFR 127.2 · Definitions.
40 CFR 127.11 · Types of data to be reported electronically by NPDES permittees, facilities, and entities subject to this part [see § 127.1(a)].
40 CFR 127.12 · Signature and certification standards for electronic reporting.
40 CFR 127.13 · Requirements regarding quality assurance and quality control.
40 CFR 127.14 · Requirements regarding timeliness, accuracy, completeness, and national consistency.
40 CFR 127.15 · Waivers from electronic reporting.
40 CFR 127.16 · Implementation of electronic reporting requirements for NPDES permittees, facilities, and entities subject to this part [see § 127.1(a)].
40 CFR 127.21 · Data to be reported electronically to EPA by states, tribes, and territories.
40 CFR 127.22 · Requirements regarding quality assurance and quality control.
40 CFR 127.23 · Requirements regarding timeliness, accuracy, completeness, and national consistency.
40 CFR 127.24 · Responsibilities regarding review of waiver requests from NPDES permittees, facilities, and entities subject to this part [see § 127.1(a)] and alternative compliance deadlines.
40 CFR 127.25 · Time for states, tribes, and territories to revise existing programs.
40 CFR 127.26 · Implementation plan (authorized states, tribes, and territories).
40 CFR 127.27 · Procedure for determining initial recipient of electronic NPDES information.
40 CFR Appendix A to Part 127 · Appendix A to Part 127—Minimum Set of NPDES Data
40 CFR 129.1 · Scope and purpose.
40 CFR 129.2 · Definitions.
40 CFR 129.3 · Abbreviations.
40 CFR 129.4 · Toxic pollutants.
40 CFR 129.5 · Compliance.
40 CFR 129.6 · Adjustment of effluent standard for presence of toxic pollutant in the intake water.
40 CFR 129.7 · Requirement and procedure for establishing a more stringent effluent limitation.
40 CFR 129.8 · Compliance date.
40 CFR 129.9-129.99 · §§ 129.9-129.99 [Reserved]
40 CFR 129.100 · Aldrin/dieldrin.
40 CFR 129.101 · DDT, DDD and DDE.
40 CFR 129.102 · Endrin.
40 CFR 129.103 · Toxaphene.
40 CFR 129.104 · Benzidine.
40 CFR 129.105 · Polychlorinated biphenyls (PCBs).
40 CFR 130.0 · Program summary and purpose.
40 CFR 130.1 · Applicability.
40 CFR 130.2 · Definitions.
40 CFR 130.3 · Water quality standards.
40 CFR 130.4 · Water quality monitoring.
40 CFR 130.5 · Continuing planning process.
40 CFR 130.6 · Water quality management plans.
40 CFR 130.7 · Total maximum daily loads (TMDL) and individual water quality-based effluent limitations.
40 CFR 130.8 · Water quality report.
40 CFR 130.9 · Designation and de-designation.
40 CFR 130.10 · State submittals to EPA.
40 CFR 130.11 · Program management.
40 CFR 130.12 · Coordination with other programs.
40 CFR 130.15 · Processing application for Indian tribes.
40 CFR 130.16 · Treatment of Indian tribes in a similar manner as states for purposes of the Clean Water Act.
40 CFR 131.1 · Scope.
40 CFR 131.2 · Purpose.
40 CFR 131.3 · Definitions.
40 CFR 131.4 · State authority.
40 CFR 131.5 · EPA authority.
40 CFR 131.6 · Minimum requirements for water quality standards submission.
40 CFR 131.7 · Dispute resolution mechanism.
40 CFR 131.8 · Requirements for Indian Tribes to administer a water quality standards program.
40 CFR 131.9 · Protection of Tribal reserved rights.
40 CFR 131.10 · Designation of uses.
40 CFR 131.11 · Criteria.
40 CFR 131.12 · Antidegradation policy and implementation methods.
40 CFR 131.13 · General policies.
40 CFR 131.14 · Water quality standards variances.
40 CFR 131.15 · Authorizing the use of schedules of compliance for water quality-based effluent limits in NPDES permits.
40 CFR 131.20 · State review and revision of water quality standards.
40 CFR 131.21 · EPA review and approval of water quality standards.
40 CFR 131.22 · EPA promulgation of water quality standards.
40 CFR 131.31 · Arizona.