# 40 CFR § 131.6: Minimum requirements for water quality standards submission

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-40-131.6

## Section

- **Citation:** 40 CFR § 131.6
- **Heading:** Minimum requirements for water quality standards submission
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 40—Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER D—WATER PROGRAMS > PART 131—WATER QUALITY STANDARDS > Subpart A—General Provisions

## Text

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.
(g) Where applicable, information that will aid the Agency in evaluating whether the submission is consistent with § 131.9, including:
(1) Any information provided by right holders about relevant Tribal reserved rights and documentation of how that information was considered; and
(2) Data and methods used to develop the water quality standards.
[48 FR 51405, Nov. 8, 1983, as amended at 89 FR 35747, May 2, 2024]

## Nearby sections

- [40 CFR § 131.1 § 131.1 Scope.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.1.md)
- [40 CFR § 131.2 § 131.2 Purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.2.md)
- [40 CFR § 131.3 § 131.3 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.3.md)
- [40 CFR § 131.4 § 131.4 State authority.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.4.md)
- [40 CFR § 131.5 § 131.5 EPA authority.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.5.md)
- [40 CFR § 131.6 § 131.6 Minimum requirements for water quality standards submission.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.6.md)
- [40 CFR § 131.7 § 131.7 Dispute resolution mechanism.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.7.md)
- [40 CFR § 131.8 § 131.8 Requirements for Indian Tribes to administer a water quality standards program.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.8.md)
- [40 CFR § 131.9 § 131.9 Protection of Tribal reserved rights.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.9.md)
- [40 CFR § 131.10 § 131.10 Designation of uses.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.10.md)
- [40 CFR § 131.11 § 131.11 Criteria.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.11.md)
- [40 CFR § 131.12 § 131.12 Antidegradation policy and implementation methods.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.12.md)
- [40 CFR § 131.13 § 131.13 General policies.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.13.md)
- [40 CFR § 131.14 § 131.14 Water quality standards variances.](https://www.frixlaw.com/law-library/statutes/ecfr-40-131.14.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-40-131.6. Check the current official text before relying on it. Not legal advice.
