What was found in Shaktoolik's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Copper | 1348 µg/L 104% of the EPA limit, at the 95th percentile of samples — 1300 µg/L Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Nitrate-Nitrite | 884.5 µg/L 8.8% of the EPA limit 10000 µg/L Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Nitrate | 657 µg/L 6.6% of the EPA limit 10000 µg/L Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2016 | 1/1 | SYR4 |
| TTHM | 169.4 µg/L 212% of the EPA limit, at the 95th percentile of samples — 80 µg/L Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Chloroform | 119 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 108.4 µg/L 181% of the EPA limit, at the 95th percentile of samples — 60 µg/L Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 64.9 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Bromoform | 53.78 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 41.14 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 38.51 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 34.56 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 15.41 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Lead | 3.923 µg/L 26% of the EPA limit 15 µg/L Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 2.772 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 1.8 µg/L No EPA limit set Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0042 mg/L 28% of the EPA limit 0.0150 mg/L Main supplier: SHAKTOOLIK WATER SYSTEM · 270 people · 2025 | 1/1 | LCR |
Water suppliers serving Shaktoolik
| Supplier | Population served |
|---|---|
| SHAKTOOLIK WATER SYSTEM | 270 |
Frequently asked questions about Shaktoolik tap water
Is Shaktoolik tap water safe to drink?
EPA testing detected 16 contaminants in the water serving Shaktoolik. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Shaktoolik?
1 public water supplier report drinking-water monitoring for Shaktoolik, Alaska to the EPA. Each is listed above with its population served.
What contaminants are in Shaktoolik's water?
The contaminants EPA monitoring detected in Shaktoolik include Copper, Nitrate-Nitrite, Nitrate, TTHM, Chloroform. The full list, with the level at the main supplier and the data source, is in the table above.
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.