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 | 2022-07-01 → 2022-09-30 |
| MCL | Health-based | Resolved | 2022-07-01 → 2022-09-30 |
| MCL | Health-based | Resolved | 2022-07-01 → 2022-09-30 |
| MCL | Health-based | Resolved | 2022-04-01 → 2022-06-30 |
| MCL | Health-based | Resolved | 2022-04-01 → 2022-06-30 |
| MCL | Health-based | Resolved | 2022-01-01 → 2022-03-31 |
| MCL | Health-based | Resolved | 2022-01-01 → 2022-03-31 |
| MCL | Health-based | Resolved | 2021-10-01 → 2021-12-31 |
| MCL | Health-based | Resolved | 2021-10-01 → 2021-12-31 |
| MCL | Health-based | Resolved | 2021-07-01 → 2021-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 897.5 µg/L 69% of the EPA limit 1300 µg/L
worst single sample: 1200 µg/L | 48/48 | SYR4 | 2012–2017 |
| Lead | 19.915 µg/L 133% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 26.3 µg/L | 28/48 | SYR4 | 2012–2017 |
| Bromodichloromethane | 46 µg/L No EPA limit set
worst single sample: 58 µg/L | 21/21 | SYR4 | 2012–2019 |
| Chloroform | 150 µg/L No EPA limit set
worst single sample: 160 µg/L | 21/21 | SYR4 | 2012–2019 |
| Dibromochloromethane | 39.8 µg/L No EPA limit set
worst single sample: 51.1 µg/L | 21/21 | SYR4 | 2012–2019 |
| TTHM | 210 µg/L 263% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 238 µg/L | 21/21 | SYR4 | 2012–2019 |
| Bromoform | 25.945 µg/L No EPA limit set
worst single sample: 30.6 µg/L | 20/21 | SYR4 | 2012–2019 |
| Lead | 0.00027 mg/L 1.8% of the EPA limit 0.0150 mg/L | 20/20 | LCR | 2023 |
| Dichloroacetic Acid | 14.43 µg/L No EPA limit set
worst single sample: 14.6 µg/L | 18/22 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 28.235 µg/L 47% of the EPA limit 60 µg/L
worst single sample: 30.7 µg/L | 18/22 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 7.455 µg/L No EPA limit set
worst single sample: 7.49 µg/L | 8/22 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 7.5395 µg/L No EPA limit set
worst single sample: 7.73 µg/L | 4/22 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.146 µg/L No EPA limit set
worst single sample: 1.16 µg/L | 3/22 | SYR4 | 2012–2019 |
| Arsenic | 1.67 µg/L 17% of the EPA limit 10 µg/L | 1/1 | SYR4 | 2012 |
| Barium | 19 µg/L 1% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2019 |
| Thallium, Total | 0.4000 µg/L 20% of the EPA limit 2 µg/L | 1/1 | SYR4 | 2019 |
33 contaminants tested, none detected
Utility contact
Frequently asked questions about Shishmaref Water
Is Shishmaref Water tap water safe to drink?
EPA monitoring detected 16 contaminants in Shishmaref 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 Shishmaref Water's water?
EPA monitoring detected Copper, Lead, Bromodichloromethane, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Shishmaref Water serve?
Shishmaref Water reports serving 572 people in Alaska, per its EPA record.
Has Shishmaref Water had any water quality violations?
The EPA has 1221 violations on file for Shishmaref Water, of which 187 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.