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 | 2019-10-01 → 2019-12-31 |
| MCL | Health-based | Resolved | 2018-01-01 → 2018-03-31 |
| MCL | Health-based | Resolved | 2018-01-01 → 2018-03-31 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| TT | Health-based | Resolved | 2017-06-01 → 2017-06-30 |
| TT | Health-based | Resolved | 2017-05-01 → 2017-05-31 |
| MCL | Health-based | Resolved | 2017-04-01 → 2017-06-30 |
| MCL | Health-based | Resolved | 2017-04-01 → 2017-06-30 |
| MCL | Health-based | Resolved | 2017-01-01 → 2017-03-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 12.3 µg/L No EPA limit set
worst single sample: 13.8 µg/L | 24/24 | SYR4 | 2012–2019 |
| Chloroform | 122.9 µg/L No EPA limit set
worst single sample: 211 µg/L | 24/24 | SYR4 | 2012–2019 |
| TTHM | 134.6 µg/L 168% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 234 µg/L | 24/24 | SYR4 | 2012–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 23/23 | LCR | 2025 |
| Total Haloacetic Acids (HAA5) | 134.155 µg/L 224% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 182.5 µg/L | 22/23 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 96.95 µg/L No EPA limit set
worst single sample: 180 µg/L | 22/23 | SYR4 | 2012–2019 |
| Copper | 488.7 µg/L 38% of the EPA limit 1300 µg/L
worst single sample: 502 µg/L | 20/20 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 34.7 µg/L No EPA limit set
worst single sample: 48 µg/L | 20/23 | SYR4 | 2012–2019 |
| Lead | 4.266 µg/L 28% of the EPA limit 15 µg/L
worst single sample: 4.3 µg/L | 18/20 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.4085 µg/L No EPA limit set
worst single sample: 1.48 µg/L | 12/24 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 8.375 µg/L No EPA limit set
worst single sample: 9.9 µg/L | 6/23 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 213 µg/L 2.1% of the EPA limit 10000 µg/L | 2/12 | SYR4 | 2012–2018 |
| Gross Beta Particle Activity | 1.3 pCi/L No EPA limit set | 1/1 | SYR4 | 2017 |
25 contaminants tested, none detected
Utility contact
Frequently asked questions about Kasaan
Is Kasaan tap water safe to drink?
EPA monitoring detected 13 contaminants in Kasaan'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 Kasaan's water?
EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, Lead, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Kasaan serve?
Kasaan reports serving 66 people in Alaska, per its EPA record.
Has Kasaan had any water quality violations?
The EPA has 487 violations on file for Kasaan, of which 94 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.