Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
§ 131.6 - Minimum requirements for water quality standards submission.
Link to an amendment published at 89 FR 35747, May 2, 2024.

The following elements must be included in each State's water quality standards submitted to EPA for review:

(a) Use designations consistent with the provisions of sections 101(a)(2) and 303(c)(2) of the Act.

(b) Methods used and analyses conducted to support water quality standards revisions.

(c) Water quality criteria sufficient to protect the designated uses.

(d) An antidegradation policy consistent with § 131.12.

(e) Certification by the State Attorney General or other appropriate legal authority within the State that the water quality standards were duly adopted pursuant to State law.

(f) General information which will aid the Agency in determining the adequacy of the scientific basis of the standards which do not include the uses specified in section 101(a)(2) of the Act as well as information on general policies applicable to State standards which may affect their application and implementation.

authority: 33 U.S.C. 1251
source: 48 FR 51405, Nov. 8, 1983, unless otherwise noted.
cite as: 40 CFR 131.6