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 — 125.3)
- Subpart B - Criteria for Issuance of Permits to Aquaculture Projects (§§ 125.10 — 125.11)
- Subpart C [Reserved]
- 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 — 125.32)
- Subpart E - Criteria for Granting Economic Variances From Best Available Technology Economically Achievable Under Section 301(c) of the Act [Reserved]
- Subpart F - Criteria for Granting Water Quality Related Variances Under Section 301(g) of the Act [Reserved]
- Subpart G - Criteria for Modifying the Secondary Treatment Requirements Under Section 301(h) of the Clean Water Act (§§ 125.56 — 125)
- Subpart H - Criteria for Determining Alternative Effluent Limitations Under Section 316(a) of the Act (§§ 125.70 — 125.73)
- Subpart I - Requirements Applicable to Cooling Water Intake Structures for New Facilities Under Section 316(b) of the Act (§§ 125.80 — 125.89)
- Subpart J - Requirements Applicable to Cooling Water Intake Structures for Existing Facilities Under Section 316(b) of the Clean Water Act (§§ 125.90 — 125.99)
- Subpart K [Reserved]
- Subpart L - Criteria and Standards for Imposing Conditions for the Disposal of Sewage Sludge Under Section 405 of the Act [Reserved]
- Subpart M - Ocean Discharge Criteria (§§ 125.120 — 125.124)
- 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 — 125.139)