Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| Other | Monitoring | Resolved | 2023-10-01 |
| Other | Monitoring | Resolved | 2023-10-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| MR | Monitoring | Resolved | 2020-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2020-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2020-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2020-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2020-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2020-01-01 → 2022-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 404.8 µg/L 31% of the EPA limit 1300 µg/L
worst single sample: 742 µg/L | 49/50 | SYR4 | 2015–2017 |
| Lead | 9 µg/L 60% of the EPA limit 15 µg/L
worst single sample: 16 µg/L | 15/50 | SYR4 | 2015–2017 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2023 |
| TTHM | 2.08 µg/L 2.6% of the EPA limit 80 µg/L
worst single sample: 2.2 µg/L | 7/9 | SYR4 | 2015–2019 |
| Nitrate-Nitrite | 380 µg/L 3.8% of the EPA limit 10000 µg/L | 6/18 | SYR4 | 2012–2019 |
| Dibromochloromethane | 0.6760 µg/L No EPA limit set
worst single sample: 0.6800 µg/L | 5/9 | SYR4 | 2015–2019 |
| Combined Radium (-226 And -228) | 1.785 pCi/L 36% of the EPA limit 5 pCi/L
worst single sample: 1.8 pCi/L | 2/3 | SYR4 | 2015–2017 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L | 1/4 | SYR4 | 2012–2017 |
| Bromodichloromethane | 0.5900 µg/L No EPA limit set | 1/9 | SYR4 | 2015–2019 |
| Bromoform | 0.9500 µg/L No EPA limit set | 1/9 | SYR4 | 2015–2019 |
| Combined Uranium | 4 µg/L 13% of the EPA limit 30 µg/L | 1/3 | SYR4 | 2015–2017 |
| Dibromoacetic Acid | 0.6000 µg/L No EPA limit set | 1/4 | SYR4 | 2016–2019 |
| Fluoride | 400 µg/L 10% of the EPA limit 4000 µg/L | 1/3 | SYR4 | 2012–2017 |
| Gross Alpha, Excl. Radon And U | 4.1 pCi/L 27% of the EPA limit 15 pCi/L | 1/3 | SYR4 | 2015–2017 |
| Total Haloacetic Acids (HAA5) | 0.6000 µg/L 1% of the EPA limit 60 µg/L | 1/4 | SYR4 | 2016–2019 |
87 contaminants tested, none detected
Utility contact
Frequently asked questions about Sun Prairie Village County
Is Sun Prairie Village County tap water safe to drink?
EPA monitoring detected 15 contaminants in Sun Prairie Village County's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Sun Prairie Village County's water?
EPA monitoring detected Copper, Lead, Lead, TTHM, Nitrate-Nitrite, and others. The full list with the level and data source for each is above.
How many people does Sun Prairie Village County serve?
Sun Prairie Village County reports serving 1,800 people in Montana, per its EPA record.
Has Sun Prairie Village County had any water quality violations?
The EPA has 578 violations on file for Sun Prairie Village County, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.