40 CFR Part 131 - PART 131—WATER QUALITY STANDARDS

The following state regulations pages link to this page.

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Arkansas

• Ark. Admin. Rules 014-002-2.508 - Reg. 2.508 - Toxic Substances.

Florida

• Fla. Admin. Code r. 62-600.520 - 62-600.520 - Discharge to Surface Waters - (Coastal and Open Ocean)

Louisiana

• La. Admin. Code tit. 33, Part IX, §6117 - §6117 - POTW Pretreatment Programs and/or Authorization to Revise Pretreatment Standards: Submission for Approval

Maine

• 06 096 Me. Code R. Ch. 528 § 10 - Section 10 - POTW pretreatment programs and/or authorization to revise pretreatment standards: Submission for approval.

• 06 096 Me. Code R. Ch. 585 - Ch. 585 - Identification of Fish Spawning Areas and Designation Salmonid Spawning Areas

Missouri

• 10 CSR 20-7.031 - 10 CSR 20-7.031 - Water Quality Standards

South Carolina

• S.C. Code Regs. 61-9.403 - 61-9.403 - General Pretreatment Regulations for Existing and New Sources of Pollution.

Tennessee

• TN Rules and Regs. 0400-40-14-.09 - 0400-40-14-.09 - WWF PRETREATMENT PROGRAMS AND/OR AUTHORIZATION TO REVISE PRETREATMENT STANDARDS: SUBMISSION FOR APPROVAL

Virginia

• 9 Va. Admin. Code § 25-260-10 - 9VAC25-260-10 - Designation of uses.

• 9 Va. Admin. Code § 25-260-140 - 9VAC25-260-140 - Criteria for surface water.

• 9 Va. Admin. Code § 25-260-155 - 9VAC25-260-155 - Ammonia surface water quality criteria.

• 9 Va. Admin. Code § 25-260-160 - 9VAC25-260-160 - Fecal coliform bacteria; shellfish waters.

• 9 Va. Admin. Code § 25-260-170 - 9VAC25-260-170 - Bacteria; other recreational waters.

• 9 Va. Admin. Code § 25-260-185 - 9VAC25-260-185 - Criteria to protect designated uses from the impacts of nutrients and suspended sediment in the Chesapeake Bay and its tidal tributaries.

• 9 Va. Admin. Code § 25-260-187 - 9VAC25-260-187 - Criteria for man-made lakes and reservoirs to protect aquatic life and recreational designated uses from the impacts of nutrients.

• 9 Va. Admin. Code § 25-260-20 - 9VAC25-260-20 - General criteria.

• 9 Va. Admin. Code § 25-260-275 - 9VAC25-260-275 - Protection of Eastern Shore tidal waters for clams and oysters.

• 9 Va. Admin. Code § 25-260-30 - 9VAC25-260-30 - Antidegradation policy.

• 9 Va. Admin. Code § 25-260-350 - 9VAC25-260-350 - Designation of nutrient enriched waters.

• 9 Va. Admin. Code § 25-260-360 - 9VAC25-260-360 - Section number and description columns.

• 9 Va. Admin. Code § 25-260-380 - 9VAC25-260-380 - Special standards column.

• 9 Va. Admin. Code § 25-260-390 - 9VAC25-260-390 - Potomac River Basin (Potomac River Subbasin).

• 9 Va. Admin. Code § 25-260-400 - 9VAC25-260-400 - Potomac River Basin (Shenandoah River Subbasin).

• 9 Va. Admin. Code § 25-260-410 - 9VAC25-260-410 - James River Basin (Lower).

• 9 Va. Admin. Code § 25-260-415 - 9VAC25-260-415 - James River Basin (Lower) (Appomattox River Subbasin).

• 9 Va. Admin. Code § 25-260-420 - 9VAC25-260-420 - James River Basin (Middle).

• 9 Va. Admin. Code § 25-260-430 - 9VAC25-260-430 - James River Basin (Upper).

• 9 Va. Admin. Code § 25-260-440 - 9VAC25-260-440 - Rappahannock River Basin.

• 9 Va. Admin. Code § 25-260-450 - 9VAC25-260-450 - Roanoke River Basin.

• 9 Va. Admin. Code § 25-260-460 - 9VAC25-260-460 - Yadkin River Basin.

• 9 Va. Admin. Code § 25-260-470 - 9VAC25-260-470 - Chowan and Dismal Swamp (Chowan River Subbasin).

• 9 Va. Admin. Code § 25-260-480 - 9VAC25-260-480 - Chowan and Dismal Swamp (Albemarle Sound Subbasin).

• 9 Va. Admin. Code § 25-260-490 - 9VAC25-260-490 - Tennessee and Big Sandy River Basins (Big Sandy River Subbasin).

• 9 Va. Admin. Code § 25-260-5 - 9VAC25-260-5 - Definitions.

• 9 Va. Admin. Code § 25-260-50 - 9VAC25-260-50 - Numerical criteria for dissolved oxygen, pH, and maximum temperature.***

• 9 Va. Admin. Code § 25-260-500 - 9VAC25-260-500 - Tennessee and Big Sandy River Basins (Clinch River Subbasin).

• 9 Va. Admin. Code § 25-260-510 - 9VAC25-260-510 - Tennessee and Big Sandy River Basins (Holston River Subbasin).

• 9 Va. Admin. Code § 25-260-520 - 9VAC25-260-520 - Chesapeake Bay, Atlantic Ocean and small coastal basins.

• 9 Va. Admin. Code § 25-260-530 - 9VAC25-260-530 - York River Basin.

• 9 Va. Admin. Code § 25-260-540 - 9VAC25-260-540 - New River Basin.

• 9 Va. Admin. Code § 25-260-90 - 9VAC25-260-90 - Thermal variances.

• 9 Va. Admin. Code § 25-31-810 - 9VAC25-31-810 - POTW pretreatment programs and/or authorization to revise pretreatment standards: submission for approval.

Washington

• Wash. Admin. Code § 173-201A-230 - 173-201A-230 - Establishing lake nutrient criteria.

• Wash. Admin. Code § 173-340-730 - 173-340-730 - Surface water cleanup standards.