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Part 131—Water quality standards RegSenseWatershed ManagementWater ProgramsWater QualityEnvironmental Protection Agency (EPA)AntidegradationCFR RegulationsCFR PartEnvironmentalWater QualityEnglishFocus AreaUSA
Authority: 33 U.S.C. 1251 et seq.Subpart A—General ProvisionsSubpart B—Establishment of Water Quality StandardsSubpart C—Procedures for Review and Revision of Water Quality StandardsSubpart D—Federally Promulgated Water Quality StandardsSource: 48 FR 51405, Nov. 8, 1983, unless otherwise noted.READ MORESHOW LESS['Water Programs']['Watershed Management', 'Water Quality', 'Antidegradation']