# 40 C.F.R. § 131.31 (2026): Arizona

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_31

## Section

- **Citation:** 40 C.F.R. § 131.31 (2026)
- **Heading:** Arizona
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 40 CFR: Protection of Environment / Chapter I / Part 131 / Subpart D / § 131.31: § 131.31   Arizona.

## Text

(a) [Reserved] (b) The following waters have, in addition to the uses designated by the State, the designated use of fish consumption as defined in R18-11-101 (which is available from the Arizona Department of Environmental Quality, Water Quality Division, 3033 North Central Ave., Phoenix, AZ 85012): COLORADO MAIN STEM RIVER BASIN: Hualapai Wash MIDDLE GILA RIVER BASIN: Agua Fria River (Camelback Road to Avondale WWTP) Galena Gulch Gila River (Felix Road to the Salt River) Queen Creek (Headwaters to the Superior WWTP) Queen Creek (Below Potts Canyon) SAN PEDRO RIVER BASIN: Copper Creek SANTA CRUZ RIVER BASIN: Agua Caliente Wash Nogales Wash Sonoita Creek (Above the town of Patagonia) Tanque Verde Creek Tinaja Wash Davidson Canyon UPPER GILA RIVER BASIN Chase Creek (c) To implement the requirements of R18-11-108.A.5 with respect to effects of mercury on wildlife, EPA (or the State with the approval of EPA) shall implement a monitoring program to assess attainment of the water quality standard. (Sec. 303, Federal Water Pollution Control Act, as amended, 33 U.S.C. 1313, 86 Stat. 816 et seq., Pub. L. 92-500; Clean Water Act, Pub. L. 92-500, as amended; 33 U.S.C. 1251 et seq.) [41 FR 25000, June 22, 1976; 41 FR 48737, Nov. 5, 1976. Redesignated and amended at 42 FR 56740, Oct. 28, 1977. Further redesignated and amended at 48 FR 51408, Nov. 8, 1983; 61 FR 20693, May 7, 1996; 68 FR 62744, Nov. 6, 2003]

## Nearby sections

- [40 C.F.R. § 131.31 (2026) § 131.31   Arizona.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_31.md)
- [40 C.F.R. § 131.33 (2026) § 131.33   Idaho.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_33.md)
- [40 C.F.R. § 131.34 (2026) § 131.34   Kansas.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_34.md)
- [40 C.F.R. § 131.35 (2026) § 131.35   Colville Confederated Tribes Indian Reservation.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_35.md)
- [40 C.F.R. § 131.36 (2026) § 131.36   Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B).](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_36.md)
- [40 C.F.R. § 131.37 (2026) § 131.37   California.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_37.md)
- [40 C.F.R. § 131.38 (2026) § 131.38   Establishment of numeric criteria for priority toxic pollutants for the State of California.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_38.md)
- [40 C.F.R. § 131.40 (2026) § 131.40   Puerto Rico](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_40.md)
- [40 C.F.R. § 131.41 (2026) § 131.41   Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A).](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_41.md)
- [40 C.F.R. § 131.42 (2026) § 131.42   Antidegradation Implementation Methods for the Commonwealth of Puerto Rico.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_42.md)
- [40 C.F.R. § 131.43 (2026) § 131.43   Maine.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_43.md)
- [40 C.F.R. § 131.44 (2026) § 131.44   Florida.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_44.md)
- [40 C.F.R. § 131.45 (2026) § 131.45   Revision of certain Federal water quality criteria applicable to Washington.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_45.md)
- [40 C.F.R. § 131.46 (2026) § 131.46   Aquatic life criterion for cadmium in Oregon.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_46.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T40_P131_S131_31. Check the current official text before relying on it. Not legal advice.