Water Quality Standards
40 CFR 131.1 - 131.46
This regulation establishes water quality standards, and the requirements and procedures for developing, reviewing, revising, and these standards to establish water quality goals.
| Applicable country | United States of America | ||
| Topic | |||
| Subtopic | Water quality standards | ||
| Original publication | 1 Jan 2001 | ||
| Entered into force | 4 Oct 2019 | ||
| Latest update | 4 Oct 2019 | ||
| Available languages |
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