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 | 2022-06-01 |
| MR | Monitoring | Resolved | 2022-06-01 |
| MR | Monitoring | Resolved | 1999-04-01 → 1999-04-30 |
| MR | Monitoring | Resolved | 1999-04-01 → 1999-04-30 |
| MR | Monitoring | Resolved | 1993-07-01 → 2000-03-01 |
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 | 20/20 | LCR | 2025 |
| Bromodichloromethane | 8.4 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| Bromoform | 3 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| Chloroform | 14 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| Dibromochloromethane | 9.3 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| TTHM | 28 µg/L 35% of the EPA limit 80 µg/L | 7/7 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 13 µg/L 22% of the EPA limit 60 µg/L | 7/7 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 4.4 µg/L No EPA limit set | 6/7 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 3.61 µg/L No EPA limit set | 6/7 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 3.1 µg/L No EPA limit set | 5/7 | SYR4 | 2014–2019 |
| Monochloroacetic Acid | 7.1 µg/L No EPA limit set | 3/7 | SYR4 | 2014–2019 |
1 contaminants tested, none detected
Utility contact
Frequently asked questions about Sonoma County Csa 41-fitch Mountain
Is Sonoma County Csa 41-fitch Mountain tap water safe to drink?
EPA monitoring detected 11 contaminants in Sonoma County Csa 41-fitch Mountain'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 Sonoma County Csa 41-fitch Mountain's water?
EPA monitoring detected Lead, Bromodichloromethane, Bromoform, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Sonoma County Csa 41-fitch Mountain serve?
Sonoma County Csa 41-fitch Mountain reports serving 1,265 people in California, per its EPA record.
Has Sonoma County Csa 41-fitch Mountain had any water quality violations?
The EPA has 5 violations on file for Sonoma County Csa 41-fitch Mountain, 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.