# 40 CFR § 131.1: Scope

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-40-131.1

## Section

- **Citation:** 40 CFR § 131.1
- **Heading:** Scope
- **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

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]

## 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-40-131.1. Check the current official text before relying on it. Not legal advice.