Part 125 — Criteria and Standards for the National Pollutant Discharge Elimination System
- Subpt. A Criteria and Standards for Imposing Technology-Based Treatment Requirements Under Sections 301(b) and 402 of the Act §§125.1 to 125.3
- Subpt. B Criteria for Issuance of Permits to Aquaculture Projects §§125.10 to 125.11
- Subpt. C Subpart C [Reserved]
- Subpt. 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 to 125.32
- Subpt. E Criteria for Granting Economic Variances From Best Available Technology Economically Achievable Under Section 301(c) of the Act [Reserved]
- Subpt. F Criteria for Granting Water Quality Related Variances Under Section 301(g) of the Act [Reserved]
- Subpt. G Criteria for Modifying the Secondary Treatment Requirements Under Section 301(h) of the Clean Water Act §§125.56 to 125.68
- Subpt. H Criteria for Determining Alternative Effluent Limitations Under Section 316(a) of the Act §§125.70 to 125.73
- Subpt. I Requirements Applicable to Cooling Water Intake Structures for New Facilities Under Section 316(b) of the Act §§125.80 to 125.89
- Subpt. J Requirements Applicable to Cooling Water Intake Structures for Existing Facilities Under Section 316(b) of the Clean Water Act §§125.90 to 125.99
- Subpt. K Subpart K [Reserved]
- Subpt. L Criteria and Standards for Imposing Conditions for the Disposal of Sewage Sludge Under Section 405 of the Act [Reserved]
- Subpt. M Ocean Discharge Criteria §§125.120 to 125.124
- Subpt. 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 to 125.139