40 CFR Subpart D
Federally Promulgated Water Quality Standards
June 9, 2020
§
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
§
131.45
[Amendment] Revision of certain Federal water quality criteria applicable to Washington
§
131.46
Aquatic life criterion for cadmium in Oregon