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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2023-09-02 |
| MCL | Health-based | Resolved | 2023-07-01 → 2023-09-30 |
| MCL | Health-based | Resolved | 2023-07-01 → 2023-09-30 |
| MCL | Health-based | Resolved | 2023-07-01 → 2023-09-30 |
| MCL | Health-based | Resolved | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Resolved | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Resolved | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Resolved | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Resolved | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Resolved | 2023-04-01 → 2023-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1058 µg/L 81% of the EPA limit 1300 µg/L
worst single sample: 1300 µg/L | 25/25 | SYR4 | 2016–2018 |
| Lead | 3.38 µg/L 23% of the EPA limit 15 µg/L
worst single sample: 5.3 µg/L | 23/25 | SYR4 | 2016–2018 |
| Lead | 0.0046 mg/L 31% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2026 |
| Bromodichloromethane | 2.0225 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 2/2 | SYR4 | 2014–2017 |
| Chloroform | 21.3775 µg/L No EPA limit set
worst single sample: 22 µg/L | 2/2 | SYR4 | 2014–2017 |
| Dichloroacetic Acid | 19.745 µg/L No EPA limit set
worst single sample: 20.1 µg/L | 2/2 | SYR4 | 2014–2017 |
| Nitrate-Nitrite | 127.75 µg/L 1.3% of the EPA limit 10000 µg/L
worst single sample: 128 µg/L | 2/6 | SYR4 | 2012–2018 |
| TTHM | 23.4 µg/L 29% of the EPA limit 80 µg/L
worst single sample: 24.1 µg/L | 2/2 | SYR4 | 2014–2017 |
| Total Haloacetic Acids (HAA5) | 28.785 µg/L 48% of the EPA limit 60 µg/L
worst single sample: 29.4 µg/L | 2/2 | SYR4 | 2014–2017 |
| Trichloroacetic Acid | 5.9335 µg/L No EPA limit set
worst single sample: 6.03 µg/L | 2/2 | SYR4 | 2014–2017 |
| Antimony, Total | 0.1070 µg/L 1.8% of the EPA limit 6 µg/L | 1/1 | SYR4 | 2012 |
| Cyanide | 23 µg/L 12% of the EPA limit 200 µg/L | 1/1 | SYR4 | 2012 |
| Monochloroacetic Acid | 3.31 µg/L No EPA limit set | 1/2 | SYR4 | 2014–2017 |
| Xylenes, Total | 0.6600 µg/L 0% of the EPA limit 10000 µg/L | 1/5 | SYR4 | 2012–2017 |
28 contaminants tested, none detected
Utility contact
Frequently asked questions about Nunapitchuk Water
Is Nunapitchuk Water tap water safe to drink?
EPA monitoring detected 14 contaminants in Nunapitchuk Water'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 Nunapitchuk Water's water?
EPA monitoring detected Copper, Lead, Lead, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Nunapitchuk Water serve?
Nunapitchuk Water reports serving 496 people in Alaska, per its EPA record.
Has Nunapitchuk Water had any water quality violations?
The EPA has 649 violations on file for Nunapitchuk Water, of which 13 are health-based (a contaminant limit or required treatment was breached) and 1 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.