Public water system record
Town of Superior
Serves Superior, Sweetwater County, WY · 336 people served
Federal records show 2 health-based violations and 83 monitoring/reporting issues for Town of Superior in the last ten years, including an unresolved Lead and Copper Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 0
- Unresolved
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 83
Key facts
- Town of Superior draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, June 2023.
- Record on file since 1976, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 1 lead and 75 unknown out of 183 service lines.
Check whether Town of Superior serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
350 | Jan 1, 2025 | Active | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Aug 30, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 |
Active
Enforcement action in place
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Mar 31, 2024 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2023 |
Active
Enforcement action in place
|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 |
Active
Enforcement action in place
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 |
Active
Enforcement action in place
|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Carbofuran
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Di(2-ethylhexyl) adipate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
BHC-GAMMA
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Di(2-ethylhexyl) phthalate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
HEXACHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
LASSO
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
2,4-D
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Toxaphene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Heptachlor epoxide
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Methoxychlor
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Glyphosate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Dinoseb
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Benzo(a)pyrene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Hexachlorocyclopentadiene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Heptachlor
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Endrin
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
2,4,5-TP
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
ETHYLENE DIBROMIDE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nickel
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
CYANIDE
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nitrate-Nitrite
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
Full record since 1976
EPA's records for Town of Superior go back to 1976. Before October 19, 2016 they list 4 health-based violations (4 archived by EPA without a recorded fix) and 20 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 2 |
| 1980s | 1 | 17 |
| 1990s | 3 | 1 |
| October 19, 2016 to 2019 | 0 | 4 |
| 2020s | 2 | 79 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 1996, Archived.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1996 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 1992 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 1992 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jul 1, 1981 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against Town of Superior in 2023. The most recent was a compliance order (no penalty) in June 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 13, 2023 | EPA | Compliance order (no penalty) | 81 violations: Ethylbenzene, Styrene, ETHYLENE DIBROMIDE, Pentachlorophenol, Endrin |
What the violations mean
Lead and Copper Rule
2 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Town of Superior draws water from 3 wells.
Annual water quality report
Town of Superior must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Town of Superior for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by EPA Region 8.
Certified drinking water labs by state EPA guidance for private wells