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 | 2023-07-11 |
| Other | Monitoring | Resolved | 2023-07-11 |
| Other | Monitoring | Resolved | 2023-07-11 |
| Other | Monitoring | Resolved | 2023-07-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MR | Monitoring | Resolved | 2022-04-01 → 2022-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 4600 µg/L 46% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Barium | 95.7 µg/L 4.8% of the EPA limit 2000 µg/L
worst single sample: 97 µg/L | 3/3 | SYR4 | 2012–2018 |
| Bromoform | 7.29 µg/L No EPA limit set
worst single sample: 7.7 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 317 µg/L 7.9% of the EPA limit 4000 µg/L
worst single sample: 320 µg/L | 3/3 | SYR4 | 2012–2018 |
| Selenium | 2.9 µg/L 5.8% of the EPA limit 50 µg/L
worst single sample: 3 µg/L | 3/3 | SYR4 | 2012–2018 |
| TTHM | 12.63 µg/L 16% of the EPA limit 80 µg/L
worst single sample: 12.8 µg/L | 3/3 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 4.224 µg/L 7% of the EPA limit 60 µg/L
worst single sample: 4.3 µg/L | 3/3 | SYR4 | 2012–2018 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L | 2/3 | SYR4 | 2012–2018 |
| Bromodichloromethane | 2.21 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 2/3 | SYR4 | 2012–2018 |
| Dibromoacetic Acid | 3.428 µg/L No EPA limit set
worst single sample: 3.54 µg/L | 2/2 | SYR4 | 2015–2018 |
| Dibromochloromethane | 5.18 µg/L No EPA limit set
worst single sample: 5.3 µg/L | 2/3 | SYR4 | 2012–2018 |
| Chloroform | 0.7800 µg/L No EPA limit set | 1/3 | SYR4 | 2012–2018 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 1.8 pCi/L 36% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2019 |
| Combined Uranium | 5 µg/L 17% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2019 |
| Gross Alpha, Excl. Radon And U | 3.85 pCi/L 26% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2019 |
| Hexachlorocyclopentadiene | 0.0760 µg/L 0.2% of the EPA limit 50 µg/L | 1/3 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 1800 µg/L 18% of the EPA limit 10000 µg/L | 1/1 | SYR4 | 2018 |
58 contaminants tested, none detected
Utility contact
Frequently asked questions about North Valley Subdivision Utility Company
Is North Valley Subdivision Utility Company tap water safe to drink?
EPA monitoring detected 19 contaminants in North Valley Subdivision Utility Company'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 North Valley Subdivision Utility Company's water?
EPA monitoring detected Nitrate, Lead, Barium, Bromoform, Fluoride, and others. The full list with the level and data source for each is above.
How many people does North Valley Subdivision Utility Company serve?
North Valley Subdivision Utility Company reports serving 79 people in Colorado, per its EPA record.
Has North Valley Subdivision Utility Company had any water quality violations?
The EPA has 22 violations on file for North Valley Subdivision Utility Company, 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.