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 | 2000-12-01 → 2000-12-31 |
| MCL | Health-based | Archived | 2000-12-01 → 2000-12-31 |
| MCL | Health-based | Archived | 2000-12-01 → 2000-12-31 |
| MCL | Health-based | Archived | 1997-07-01 → 1997-07-31 |
| MCL | Health-based | Archived | 1997-07-01 → 1997-07-31 |
| MCL | Health-based | Archived | 1997-07-01 → 1997-07-31 |
| MCL | Health-based | Archived | 1995-10-01 → 1995-10-31 |
| MCL | Health-based | Archived | 1994-02-01 → 1994-02-28 |
| MR | Monitoring | Resolved | 2000-01-01 |
| MR | Monitoring | Archived | 1979-10-01 → 1979-10-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0059 mg/L 39% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2023 |
| Arsenic | 13.65 µg/L 137% of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 15 µg/L | 4/5 | SYR4 | 2016–2019 |
| Nitrate | 210 µg/L 2.1% of the EPA limit 10000 µg/L | 4/70 | SYR4 | 2012–2019 |
| Fluoride | 110 µg/L 2.8% of the EPA limit 4000 µg/L | 1/5 | SYR4 | 2016–2019 |
63 contaminants tested, none detected
Utility contact
Frequently asked questions about Olympic Water & Sewer Inc
Is Olympic Water & Sewer Inc tap water safe to drink?
EPA monitoring detected 4 contaminants in Olympic Water & Sewer Inc'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 Olympic Water & Sewer Inc's water?
EPA monitoring detected Lead, Arsenic, Nitrate, Fluoride. The full list with the level and data source for each is above.
How many people does Olympic Water & Sewer Inc serve?
Olympic Water & Sewer Inc reports serving 3,086 people in Washington, per its EPA record.
Has Olympic Water & Sewer Inc had any water quality violations?
The EPA has 10 violations on file for Olympic Water & Sewer Inc, of which 8 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.