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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2020-10-01 |
| MR | Monitoring | Resolved | 2020-10-01 |
| MR | Monitoring | Resolved | 2019-10-01 |
| MR | Monitoring | Resolved | 2019-10-01 |
| MR | Monitoring | Resolved | 2019-10-01 |
| MON | Monitoring | Resolved | 2018-09-01 → 2018-09-30 |
| MON | Monitoring | Resolved | 2018-09-01 → 2018-09-30 |
| Other | Monitoring | Archived | 1983-02-01 → 1983-02-28 |
| Other | Monitoring | Archived | 1982-10-01 → 1982-10-31 |
| MR | Monitoring | Archived | 1981-10-01 → 1982-09-30 |
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 | 11/11 | LCR | 2024 |
| Bromodichloromethane | 5.046 µg/L No EPA limit set
worst single sample: 5.17 µg/L | 9/9 | SYR4 | 2012–2019 |
| Chloroform | 31.884 µg/L No EPA limit set
worst single sample: 33.38 µg/L | 9/9 | SYR4 | 2012–2019 |
| TTHM | 38.396 µg/L 48% of the EPA limit 80 µg/L
worst single sample: 40.1 µg/L | 9/9 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 15.92 µg/L No EPA limit set
worst single sample: 16.2 µg/L | 8/9 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 36.715 µg/L 61% of the EPA limit 60 µg/L
worst single sample: 37.8 µg/L | 8/9 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 21.035 µg/L No EPA limit set
worst single sample: 22.4 µg/L | 8/9 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.3925 µg/L No EPA limit set
worst single sample: 2.43 µg/L | 6/9 | SYR4 | 2012–2019 |
| Barium | 190 µg/L 9.5% of the EPA limit 2000 µg/L | 3/3 | SYR4 | 2013–2019 |
| Fluoride | 227 µg/L 5.7% of the EPA limit 4000 µg/L
worst single sample: 230 µg/L | 3/3 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.6 µg/L No EPA limit set | 1/9 | SYR4 | 2012–2019 |
60 contaminants tested, none detected
Utility contact
Frequently asked questions about Calpella County Water District
Is Calpella County Water District tap water safe to drink?
EPA monitoring detected 11 contaminants in Calpella County 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 Calpella County Water District's water?
EPA monitoring detected Lead, Bromodichloromethane, Chloroform, TTHM, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Calpella County Water District serve?
Calpella County Water District reports serving 548 people in California, per its EPA record.
Has Calpella County Water District had any water quality violations?
The EPA has 11 violations on file for Calpella County 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.