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 | 2014-06-01 |
| MR | Monitoring | Resolved | 2014-06-01 |
| MR | Monitoring | Resolved | 2007-01-01 → 2007-12-31 |
| MR | Monitoring | Resolved | 2007-01-01 → 2007-12-31 |
| MR | Monitoring | Resolved | 1998-04-01 → 1998-04-30 |
| MR | Monitoring | Resolved | 1998-04-01 → 1998-04-30 |
| MR | Monitoring | Resolved | 1993-07-01 → 2000-03-01 |
| Other | Monitoring | Archived | 1984-09-01 → 1984-09-30 |
| Other | Monitoring | Archived | 1984-08-01 → 1984-08-31 |
| Other | Monitoring | Archived | 1983-02-01 → 1983-02-28 |
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 | 34/34 | LCR | 2025 |
| Nitrate | 4260.1 µg/L 43% of the EPA limit 10000 µg/L
worst single sample: 4294 µg/L | 24/30 | SYR4 | 2012–2019 |
| Bromoform | 9.92 µg/L No EPA limit set
worst single sample: 11 µg/L | 7/7 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 3.833 µg/L No EPA limit set
worst single sample: 4.04 µg/L | 7/7 | SYR4 | 2013–2019 |
| Dibromochloromethane | 5.15 µg/L No EPA limit set
worst single sample: 5.9 µg/L | 7/7 | SYR4 | 2013–2019 |
| TTHM | 15.9 µg/L 20% of the EPA limit 80 µg/L
worst single sample: 18 µg/L | 7/7 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 7.173 µg/L 12% of the EPA limit 60 µg/L
worst single sample: 7.8 µg/L | 7/7 | SYR4 | 2013–2019 |
| Fluoride | 298 µg/L 7.5% of the EPA limit 4000 µg/L
worst single sample: 310 µg/L | 5/6 | SYR4 | 2014–2019 |
| Bromodichloromethane | 1.355 µg/L No EPA limit set
worst single sample: 1.4 µg/L | 4/7 | SYR4 | 2013–2019 |
| Chromium | 2.18 µg/L 2.2% of the EPA limit 100 µg/L
worst single sample: 2.3 µg/L | 4/6 | SYR4 | 2014–2019 |
| Monochloroacetic Acid | 4.643 µg/L No EPA limit set
worst single sample: 4.8 µg/L | 2/7 | SYR4 | 2013–2019 |
| Barium | 220 µg/L 11% of the EPA limit 2000 µg/L | 1/6 | SYR4 | 2014–2019 |
| Copper | 180 µg/L 14% of the EPA limit 1300 µg/L | 1/6 | SYR4 | 2014–2019 |
| Chloroform | 0.7500 µg/L No EPA limit set | 1/7 | SYR4 | 2013–2019 |
56 contaminants tested, none detected
Utility contact
Frequently asked questions about Sonoma County Csa 41-salmon Creek
Is Sonoma County Csa 41-salmon Creek tap water safe to drink?
EPA monitoring detected 14 contaminants in Sonoma County Csa 41-salmon Creek'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-salmon Creek's water?
EPA monitoring detected Lead, Nitrate, Bromoform, Dibromoacetic Acid, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Sonoma County Csa 41-salmon Creek serve?
Sonoma County Csa 41-salmon Creek reports serving 427 people in California, per its EPA record.
Has Sonoma County Csa 41-salmon Creek had any water quality violations?
The EPA has 15 violations on file for Sonoma County Csa 41-salmon Creek, 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.