[Code of Federal Regulations] [Title 40, Volume 21] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR131.1] [Page 401] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 131_WATER QUALITY STANDARDS--Table of Contents Subpart A_General Provisions Sec. 131.1 Scope. Subpart A_General Provisions Sec. 131.1 Scope. 131.2 Purpose. 131.3 Definitions. 131.4 State authority. 131.5 EPA authority. 131.6 Minimum requirements for water quality standards submission. 131.7 Dispute resolution mechanism. 131.8 Requirements for Indian Tribes to administer a water quality standards program. Subpart B_Establishment of Water Quality Standards 131.10 Designation of uses. 131.11 Criteria. 131.12 Antidegradation policy. 131.13 General policies. Subpart C_Procedures for Review and Revision of Water Quality Standards 131.20 State review and revision of water quality standards. 131.21 EPA review and approval of water quality standards. 131.22 EPA promulgation of water quality standards. Subpart D_Federally Promulgated Water Quality Standards 131.31 Arizona. 131.32 Pennsylvania. 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). Authority: 33 U.S.C. 1251 et seq. Source: 48 FR 51405, Nov. 8, 1983, unless otherwise noted. This part describes the requirements and procedures for developing, reviewing, revising, and approving water quality standards by the States as authorized by section 303(c) of the Clean Water Act. Additional specific procedures for developing, reviewing, revising, and approving water quality standards for Great Lakes States or Great Lakes Tribes (as defined in 40 CFR 132.2) to conform to section 118 of the Clean Water Act and 40 CFR part 132, are provided in 40 CFR part 132. [60 FR 15386, Mar. 23, 1995]