Federal (United States) · Regulations
Subpart D — Federally Promulgated Water Quality Standards
14 sections
14 sections
- 40 C.F.R. § 131.31Arizona.
- 40 C.F.R. § 131.33Idaho.
- 40 C.F.R. § 131.34Kansas.
- 40 C.F.R. § 131.35Colville Confederated Tribes Indian Reservation.
- 40 C.F.R. § 131.36Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B).
- 40 C.F.R. § 131.37California.
- 40 C.F.R. § 131.38Establishment of numeric criteria for priority toxic pollutants for the State of California.
- 40 C.F.R. § 131.40Puerto Rico
- 40 C.F.R. § 131.41Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A).
- 40 C.F.R. § 131.42Antidegradation Implementation Methods for the Commonwealth of Puerto Rico.
- 40 C.F.R. § 131.43Maine.
- 40 C.F.R. § 131.44Florida.
- 40 C.F.R. § 131.45Revision of certain Federal water quality criteria applicable to Washington.
- 40 C.F.R. § 131.46Aquatic life criterion for cadmium in Oregon.