40 CFR 403.4
§ 403.4 State or local law.
United States · 40 CFR — Protection of Environment · Status: effective
Cite this
- Citation
- 40 CFR 403.4, § 403.4 State or local law, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/187231
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Full text
Nothing in this regulation is intended to affect any Pretreatment Requirements, including any standards or prohibitions, established by State or local law as long as the State or local requirements are not less stringent than any set forth in National Pretreatment Standards, or any other requirements or prohibitions established under the Act or this regulation. States with an NPDES permit program approved in accordance with section 402 (b) and (c) of the Act, or States requesting NPDES programs, are responsible for developing a State pretreatment program in accordance with § 403.10 of this regulation.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.