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 | 2006-08-01 → 2006-08-31 |
| MCL | Health-based | Archived | 2005-07-01 → 2005-07-31 |
| MCL | Health-based | Archived | 1999-01-01 → 1999-01-31 |
| MCL | Health-based | Archived | 1999-01-01 → 1999-01-31 |
| MCL | Health-based | Archived | 1999-01-01 → 1999-01-31 |
| MCL | Health-based | Archived | 1998-10-01 → 1998-10-31 |
| MCL | Health-based | Archived | 1998-10-01 → 1998-10-31 |
| MCL | Health-based | Archived | 1998-10-01 → 1998-10-31 |
| MR | Monitoring | Resolved | 2020-01-01 → 2020-12-31 |
| MR | Monitoring | Resolved | 2004-01-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 920 µg/L 9.2% of the EPA limit 10000 µg/L | 16/32 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 9/9 | LCR | 2025 |
| Nitrate-Nitrite | 906 µg/L 9.1% of the EPA limit 10000 µg/L
worst single sample: 920 µg/L | 8/16 | SYR4 | 2012–2019 |
| Arsenic | 0.8550 µg/L 8.5% of the EPA limit 10 µg/L
worst single sample: 0.8600 µg/L | 2/2 | SYR4 | 2019 |
| Barium | 14.364 µg/L 0.7% of the EPA limit 2000 µg/L
worst single sample: 14.42 µg/L | 2/2 | SYR4 | 2019 |
| Copper | 16.4405 µg/L 1.3% of the EPA limit 1300 µg/L
worst single sample: 17.29 µg/L | 2/2 | SYR4 | 2019 |
| Chromium | 0.9290 µg/L 0.9% of the EPA limit 100 µg/L
worst single sample: 0.9400 µg/L | 2/2 | SYR4 | 2019 |
| Fluoride | 847 µg/L 21% of the EPA limit 4000 µg/L
worst single sample: 850 µg/L | 2/2 | SYR4 | 2019 |
| Lead | 3.0095 µg/L 20% of the EPA limit 15 µg/L
worst single sample: 3.16 µg/L | 2/2 | SYR4 | 2019 |
| Thallium, Total | 0.3700 µg/L 19% of the EPA limit 2 µg/L | 2/2 | SYR4 | 2019 |
| Selenium | 0.8600 µg/L 1.7% of the EPA limit 50 µg/L | 1/2 | SYR4 | 2019 |
56 contaminants tested, none detected
Utility contact
Frequently asked questions about Soap Lake Water Dept
Is Soap Lake Water Dept tap water safe to drink?
EPA monitoring detected 11 contaminants in Soap Lake Water Dept'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 Soap Lake Water Dept's water?
EPA monitoring detected Nitrate, Lead, Nitrate-Nitrite, Arsenic, Barium, and others. The full list with the level and data source for each is above.
How many people does Soap Lake Water Dept serve?
Soap Lake Water Dept reports serving 2,399 people in Washington, per its EPA record.
Has Soap Lake Water Dept had any water quality violations?
The EPA has 25 violations on file for Soap Lake Water Dept, 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.