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 |
|---|---|---|---|
| TT | Health-based | Resolved | 1992-01-01 → 1999-12-01 |
| TT | Health-based | Resolved | 1992-01-01 → 1999-12-01 |
| TT | Health-based | Resolved | 1992-01-01 → 1999-12-01 |
| MR | Monitoring | Archived | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2023-10-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 21.7105 µg/L No EPA limit set
worst single sample: 25.2 µg/L | 50/53 | SYR4 | 2012–2019 |
| TTHM | 22.505 µg/L 28% of the EPA limit 80 µg/L
worst single sample: 25.7 µg/L | 50/50 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 9.05 µg/L No EPA limit set
worst single sample: 11 µg/L | 47/47 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 18.3 µg/L 31% of the EPA limit 60 µg/L
worst single sample: 20.1 µg/L | 47/47 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 10.21 µg/L No EPA limit set
worst single sample: 11 µg/L | 47/47 | SYR4 | 2012–2019 |
| Bromodichloromethane | 1.015 µg/L No EPA limit set
worst single sample: 1.1 µg/L | 38/50 | SYR4 | 2012–2019 |
| Lead | 0.0032 mg/L 21% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Arsenic | 0.3100 µg/L 3.1% of the EPA limit 10 µg/L
worst single sample: 0.3200 µg/L | 3/3 | SYR4 | 2016–2019 |
| Barium | 9.164 µg/L 0.5% of the EPA limit 2000 µg/L
worst single sample: 9.19 µg/L | 3/3 | SYR4 | 2016–2019 |
| Copper | 8.258 µg/L 0.6% of the EPA limit 1300 µg/L
worst single sample: 8.58 µg/L | 3/3 | SYR4 | 2016–2019 |
| Fluoride | 78 µg/L 2% of the EPA limit 4000 µg/L
worst single sample: 80 µg/L | 3/3 | SYR4 | 2016–2019 |
| Thallium, Total | 0.2670 µg/L 13% of the EPA limit 2 µg/L
worst single sample: 0.2700 µg/L | 3/3 | SYR4 | 2016–2019 |
| Chromium | 0.4700 µg/L 0.5% of the EPA limit 100 µg/L | 2/3 | SYR4 | 2016–2019 |
| Dalapon | 8.27 µg/L 4.1% of the EPA limit 200 µg/L | 1/4 | SYR4 | 2018–2019 |
92 contaminants tested, none detected
Utility contact
Frequently asked questions about Chelan Water Dept City of
Is Chelan Water Dept City of tap water safe to drink?
EPA monitoring detected 14 contaminants in Chelan Water Dept City of'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 Chelan Water Dept City of's water?
EPA monitoring detected Chloroform, TTHM, Dichloroacetic Acid, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Chelan Water Dept City of serve?
Chelan Water Dept City of reports serving 9,425 people in Washington, per its EPA record.
Has Chelan Water Dept City of had any water quality violations?
The EPA has 102 violations on file for Chelan Water Dept City of, 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.