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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-12-31 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-07-01 → 2005-09-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2025 |
| Copper | 155.85 µg/L 12% of the EPA limit 1300 µg/L
worst single sample: 228 µg/L | 14/15 | SYR4 | 2013–2019 |
| Bromodichloromethane | 10.0135 µg/L No EPA limit set
worst single sample: 10.5 µg/L | 8/8 | SYR4 | 2012–2019 |
| Bromoform | 23.298 µg/L No EPA limit set
worst single sample: 24.32 µg/L | 8/8 | SYR4 | 2012–2019 |
| Chloroform | 6.1345 µg/L No EPA limit set
worst single sample: 6.39 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 14.4275 µg/L No EPA limit set
worst single sample: 17 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dibromochloromethane | 17.795 µg/L No EPA limit set
worst single sample: 18.6 µg/L | 8/8 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 6.463 µg/L No EPA limit set
worst single sample: 6.68 µg/L | 8/8 | SYR4 | 2012–2019 |
| TTHM | 52.7105 µg/L 66% of the EPA limit 80 µg/L
worst single sample: 53.12 µg/L | 8/8 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 18.177 µg/L 30% of the EPA limit 60 µg/L
worst single sample: 20.34 µg/L | 8/8 | SYR4 | 2012–2019 |
| Lead | 2.965 µg/L 20% of the EPA limit 15 µg/L
worst single sample: 3.33 µg/L | 6/15 | SYR4 | 2013–2019 |
3 contaminants tested, none detected
Utility contact
Frequently asked questions about Upper Souris Water District-System Ii
Is Upper Souris Water District-System Ii tap water safe to drink?
EPA monitoring detected 11 contaminants in Upper Souris Water District-System Ii'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 Upper Souris Water District-System Ii's water?
EPA monitoring detected Lead, Copper, Bromodichloromethane, Bromoform, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Upper Souris Water District-System Ii serve?
Upper Souris Water District-System Ii reports serving 230 people in North Dakota, per its EPA record.
Has Upper Souris Water District-System Ii had any water quality violations?
The EPA has 28 violations on file for Upper Souris Water District-System Ii, of which 28 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.