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 | Archived | 1984-08-01 → 1984-08-31 |
| Other | Monitoring | Archived | 1984-06-01 → 1984-06-30 |
| Other | Monitoring | Archived | 1984-03-01 → 1984-03-31 |
| Other | Monitoring | Archived | 1983-03-01 → 1983-03-31 |
| Other | Monitoring | Archived | 1982-12-01 → 1982-12-31 |
| Other | Monitoring | Archived | 1982-10-01 → 1982-10-31 |
Utility contact
Frequently asked questions about Stonebridge Mutual Water Co
Is Stonebridge Mutual Water Co tap water safe to drink?
EPA monitoring found no contaminants above the detection limit for Stonebridge Mutual Water Co. See the utility's annual Consumer Confidence Report for the full official status.
How many people does Stonebridge Mutual Water Co serve?
Stonebridge Mutual Water Co reports serving 38 people in California, per its EPA record.
Has Stonebridge Mutual Water Co had any water quality violations?
The EPA has 6 violations on file for Stonebridge Mutual Water Co, 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.