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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 1997-08-01 → 1997-08-31 |
| MCL | Health-based | Resolved | 1997-08-01 → 1997-08-31 |
| MCL | Health-based | Resolved | 1997-08-01 → 1997-08-31 |
| MR | Monitoring | Resolved | 2018-01-01 → 2018-12-31 |
| MR | Monitoring | Resolved | 2018-01-01 → 2018-12-31 |
| MR | Monitoring | Archived | 1981-10-01 → 1982-09-30 |
| MR | Monitoring | Archived | 1980-10-30 → 1981-10-29 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3790 µg/L 38% of the EPA limit 10000 µg/L
worst single sample: 3900 µg/L | 32/32 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 3/3 | LCR | 2023 |
| Nitrate-Nitrite | 3190 µg/L 32% of the EPA limit 10000 µg/L
worst single sample: 3200 µg/L | 2/2 | SYR4 | 2017 |
| Barium | 100 µg/L 5% of the EPA limit 2000 µg/L | 1/4 | SYR4 | 2014–2017 |
38 contaminants tested, none detected
Utility contact
Frequently asked questions about Oid #51 - Sunset Oaks #10
Is Oid #51 - Sunset Oaks #10 tap water safe to drink?
EPA monitoring detected 4 contaminants in Oid #51 - Sunset Oaks #10'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 Oid #51 - Sunset Oaks #10's water?
EPA monitoring detected Nitrate, Lead, Nitrate-Nitrite, Barium. The full list with the level and data source for each is above.
How many people does Oid #51 - Sunset Oaks #10 serve?
Oid #51 - Sunset Oaks #10 reports serving 287 people in California, per its EPA record.
Has Oid #51 - Sunset Oaks #10 had any water quality violations?
The EPA has 7 violations on file for Oid #51 - Sunset Oaks #10, of which 3 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.