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 | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-01-01 → 2025-03-31 |
| MR | Monitoring | Resolved | 2025-01-01 → 2025-03-31 |
| MR | Monitoring | Resolved | 2024-10-01 → 2024-12-31 |
| MR | Monitoring | Resolved | 2024-10-01 → 2024-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2022-01-01 → 2022-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 52.5 µg/L No EPA limit set
worst single sample: 64.8 µg/L | 21/22 | SYR4 | 2012–2019 |
| Chloroform | 74 µg/L No EPA limit set
worst single sample: 83.5 µg/L | 21/22 | SYR4 | 2012–2019 |
| Dibromochloromethane | 35.8 µg/L No EPA limit set
worst single sample: 39.9 µg/L | 21/22 | SYR4 | 2012–2019 |
| TTHM | 154.6 µg/L 193% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 187 µg/L | 21/21 | SYR4 | 2012–2019 |
| Bromoform | 4.09 µg/L No EPA limit set
worst single sample: 5.8 µg/L | 20/22 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 52.1 µg/L No EPA limit set
worst single sample: 55.7 µg/L | 16/17 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 109.9 µg/L 183% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 123.4 µg/L | 16/17 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 47.2 µg/L No EPA limit set
worst single sample: 53.8 µg/L | 16/17 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 13.96 µg/L No EPA limit set
worst single sample: 26 µg/L | 15/17 | SYR4 | 2012–2019 |
| Lead | 0.0122 mg/L 81% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2023 |
| Monobromoacetic Acid | 9.215 µg/L No EPA limit set
worst single sample: 13.1 µg/L | 8/17 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 5.84 µg/L No EPA limit set
worst single sample: 6.4 µg/L | 8/17 | SYR4 | 2012–2019 |
| Dalapon | 1.4 µg/L 0.7% of the EPA limit 200 µg/L | 1/2 | SYR4 | 2019 |
| Gross Beta Particle Activity | 5.69 pCi/L No EPA limit set | 1/1 | SYR4 | 2017 |
44 contaminants tested, none detected
Utility contact
Frequently asked questions about Seawest Water
Is Seawest Water tap water safe to drink?
EPA monitoring detected 14 contaminants in Seawest 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 Seawest Water's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Seawest Water serve?
Seawest Water reports serving 38 people in Washington, per its EPA record.
Has Seawest Water had any water quality violations?
The EPA has 33 violations on file for Seawest Water, of which 3 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.