SUPERIOR, TOWN OF
Wyoming — Community Water System — PWSID: WY5600092
System Information
| PWSID | WY5600092 |
| System Name | SUPERIOR, TOWN OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | SUPERIOR |
| ZIP Code | 82945 |
| Address | P.O. Box 166 |
| Organization | VAUGHN, ANITA |
| Phone | 307-362-8173 |
Population & Service
| Population Served | 336 |
| Service Connections | 120 |
Drinking Water Violations (172)
This water system has 172 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Addressed | — | Consumer Confidence Rule |
| Jul 1, 2025 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Addressed | — | Lead and Copper Rule |
| Jan 1, 2025 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Aug 30, 2024 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 28, 2024 | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 28, 2024 | Consumer Confidence Rule |
| Mar 31, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Addressed | — | Lead and Copper Rule |
| Oct 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 16, 2024 | Consumer Confidence Rule |
| Oct 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 16, 2024 | Consumer Confidence Rule |
| Oct 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 16, 2024 | Consumer Confidence Rule |
| Sep 29, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 16, 2024 | Lead and Copper Rule |
| Sep 29, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 16, 2024 | Lead and Copper Rule |
| Jul 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Addressed | — | Lead and Copper Rule |
| Oct 1, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Addressed | — | Lead and Copper Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 16, 2024 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 16, 2024 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jan 16, 2024 | Consumer Confidence Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Addressed | — | Lead and Copper Rule |
| Sep 1, 2021 | Aug 31, 2022 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2022 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Aug 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Aug 31, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Aug 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2021 | Aug 31, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2020 | Dec 31, 2022 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | ETHYLENE DIBROMIDE | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2022 | Synthetic Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2022 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | CHLOROBENZENE | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | Volatile Organic Chemicals |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.