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 | 2015-11-01 → 2015-11-30 |
| Other | Monitoring | Resolved | 2024-11-02 |
| MON | Monitoring | Resolved | 2024-02-01 → 2024-02-29 |
| MR | Monitoring | Resolved | 2024-01-01 → 2024-03-31 |
| MR | Monitoring | Unaddressed | 2023-06-20 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MON | Monitoring | Resolved | 2021-05-01 → 2021-05-31 |
| MON | Monitoring | Resolved | 2021-05-01 → 2021-05-31 |
| Other | Monitoring | Resolved | 2020-10-01 |
| Other | Monitoring | Resolved | 2016-10-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 290.25 µg/L 22% of the EPA limit 1300 µg/L
worst single sample: 380 µg/L | 30/30 | SYR4 | 2012–2018 |
| Lead | 39.65 µg/L 264% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 100 µg/L | 18/30 | SYR4 | 2012–2018 |
| Lead | 0.0056 mg/L 37% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2024 |
| Nitrate-Nitrite | 111 µg/L 1.1% of the EPA limit 10000 µg/L | 2/16 | SYR4 | 2012–2019 |
| Toluene | 7.6515 µg/L 0.8% of the EPA limit 1000 µg/L
worst single sample: 7.96 µg/L | 2/9 | SYR4 | 2012–2019 |
| Xylenes, Total | 1.53 µg/L 0% of the EPA limit 10000 µg/L | 1/9 | SYR4 | 2012–2019 |
64 contaminants tested, none detected
Utility contact
Frequently asked questions about Toksook Bay Water
Is Toksook Bay Water tap water safe to drink?
EPA monitoring detected 6 contaminants in Toksook Bay 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 Toksook Bay Water's water?
EPA monitoring detected Copper, Lead, Lead, Nitrate-Nitrite, Toluene, and others. The full list with the level and data source for each is above.
How many people does Toksook Bay Water serve?
Toksook Bay Water reports serving 661 people in Alaska, per its EPA record.
Has Toksook Bay Water had any water quality violations?
The EPA has 420 violations on file for Toksook Bay Water, of which 1 is health-based (a contaminant limit or required treatment was breached) and 3 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.