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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter D - Water Programs |
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Part 131 - Water Quality Standards |
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Subpart D - Federally Promulgated Water Quality Standards |
| § 131.31 - Arizona. |
| § 131.32 - [Reserved] |
| § 131.33 - Idaho. |
| § 131.34 - Kansas. |
| § 131.35 - Colville Confederated Tribes Indian Reservation. |
| § 131.36 - Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B). |
| § 131.37 - California. |
| § 131.38 - Establishment of numeric criteria for priority toxic pollutants for the State of California. |
| § 131.40 - Puerto Rico |
| § 131.41 - Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A). |
| § 131.42 - Antidegradation Implementation Methods for the Commonwealth of Puerto Rico. |
| § 131.43 - Maine. |
| § 131.44 - Florida. |
| § 131.45 - Revision of certain Federal water quality criteria applicable to Washington. |
| § 131.46 - xxx |
| § 131.47 - xxx |