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 | 2011-10-01 → 2011-12-31 |
| MCL | Health-based | Resolved | 2010-01-01 → 2010-03-31 |
| Other | Monitoring | Resolved | 2025-07-01 |
| MR | Monitoring | Resolved | 2023-07-01 → 2023-09-30 |
| MR | Monitoring | Resolved | 2020-01-01 → 2020-03-31 |
| MR | Monitoring | Resolved | 2018-07-01 → 2018-09-30 |
| MR | Monitoring | Resolved | 2017-10-01 → 2017-12-31 |
| Other | Monitoring | Resolved | 2016-07-01 |
| MR | Monitoring | Resolved | 2012-01-01 → 2012-03-31 |
| MR | Monitoring | Resolved | 2011-04-01 → 2011-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 10/10 | LCR | 2024 |
| Arsenic | 12 µg/L 120% of the EPA limit, at the 95th percentile of samples — 10 µg/L | 1/1 | SYR4 | 2012 |
| Barium | 25 µg/L 1.3% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2012 |
| Chromium | 1 µg/L 1% of the EPA limit 100 µg/L | 1/1 | SYR4 | 2012 |
| Fluoride | 170 µg/L 4.3% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2012 |
46 contaminants tested, none detected
Utility contact
Frequently asked questions about Sunset Water Distribution Assoc
Is Sunset Water Distribution Assoc tap water safe to drink?
EPA monitoring detected 5 contaminants in Sunset Water Distribution Assoc'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 Sunset Water Distribution Assoc's water?
EPA monitoring detected Lead, Arsenic, Barium, Chromium, Fluoride. The full list with the level and data source for each is above.
How many people does Sunset Water Distribution Assoc serve?
Sunset Water Distribution Assoc reports serving 159 people in Washington, per its EPA record.
Has Sunset Water Distribution Assoc had any water quality violations?
The EPA has 52 violations on file for Sunset Water Distribution Assoc, of which 2 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.