StacksVerified U.S. regulatory reference

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

Subpart B — Criteria for Issuance of Permits to Aquaculture Projects

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

Subpart G — Criteria for Modifying the Secondary Treatment Requirements Under Section 301(h) of the Clean Water Act

Subpart H — Criteria for Determining Alternative Effluent Limitations Under Section 316(a) of the Act

Subpart I — Requirements Applicable to Cooling Water Intake Structures for New Facilities Under Section 316(b) of the Act

Subpart J — Requirements Applicable to Cooling Water Intake Structures for Existing Facilities Under Section 316(b) of the Clean Water Act

Subpart M — Ocean Discharge Criteria

Subpart N — Requirements Applicable to Cooling Water Intake Structures for New Offshore Oil and Gas Extraction Facilities Under Section 316(b) of the Act