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 |
|---|---|---|---|
| Other | Monitoring | Resolved | 2025-07-01 |
| Other | Monitoring | Resolved | 2023-07-01 |
| MON | Monitoring | Resolved | 2020-08-01 → 2020-08-31 |
| MON | Monitoring | Resolved | 2018-03-01 → 2018-03-31 |
| MR | Monitoring | Resolved | 2016-10-31 |
| MR | Monitoring | Resolved | 2016-10-01 |
| MON | Monitoring | Resolved | 2016-09-01 → 2016-09-30 |
| MR | Monitoring | Resolved | 2005-01-01 → 2005-12-31 |
| MR | Monitoring | Resolved | 2005-01-01 → 2007-12-31 |
| MR | Monitoring | Resolved | 2005-01-01 → 2007-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0065 mg/L 43% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2025 |
| Nitrate | 2160 µg/L 22% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Copper | 269.65 µg/L 21% of the EPA limit 1300 µg/L
worst single sample: 295 µg/L | 14/20 | SYR4 | 2013–2019 |
| Fluoride | 1071 µg/L 27% of the EPA limit 4000 µg/L
worst single sample: 1080 µg/L | 10/13 | SYR4 | 2014–2018 |
| Lead | 11.27 µg/L 75% of the EPA limit 15 µg/L
worst single sample: 12.8 µg/L | 4/20 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 1.37 pCi/L 27% of the EPA limit 5 pCi/L
worst single sample: 1.4 pCi/L | 3/5 | SYR4 | 2012–2015 |
| Gross Alpha, Excl. Radon And U | 3.57 pCi/L 24% of the EPA limit 15 pCi/L
worst single sample: 3.6 pCi/L | 3/5 | SYR4 | 2012–2015 |
| TTHM | 3.9525 µg/L 4.9% of the EPA limit 80 µg/L
worst single sample: 4.02 µg/L | 2/3 | SYR4 | 2012–2017 |
| Combined Uranium | 1 µg/L 3.3% of the EPA limit 30 µg/L | 1/5 | SYR4 | 2012–2015 |
| Nitrate-Nitrite | 1560 µg/L 16% of the EPA limit 10000 µg/L | 1/1 | SYR4 | 2014 |
62 contaminants tested, none detected
Utility contact
Frequently asked questions about Cloverdale Water District
Is Cloverdale Water District tap water safe to drink?
EPA monitoring detected 10 contaminants in Cloverdale Water District'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 Cloverdale Water District's water?
EPA monitoring detected Lead, Nitrate, Copper, Fluoride, Lead, and others. The full list with the level and data source for each is above.
How many people does Cloverdale Water District serve?
Cloverdale Water District reports serving 310 people in Oregon, per its EPA record.
Has Cloverdale Water District had any water quality violations?
The EPA has 49 violations on file for Cloverdale Water District, of which 0 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.