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 |
|---|---|---|---|
| TT | Health-based | Unaddressed | 2024-10-17 |
| RPT | Monitoring | Unaddressed | 2024-10-17 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 4596 µg/L 46% of the EPA limit 10000 µg/L
worst single sample: 5000 µg/L | 302/826 | SYR4 | 2012–2019 |
| Arsenic | 50 µg/L 500% of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 85 µg/L | 271/377 | SYR4 | 2012–2019 |
| Fluoride | 750.5 µg/L 19% of the EPA limit 4000 µg/L
worst single sample: 870 µg/L | 138/288 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 42/42 | LCR | 2025 |
| Barium | 298.5 µg/L 15% of the EPA limit 2000 µg/L
worst single sample: 390 µg/L | 28/97 | SYR4 | 2012–2019 |
| Combined Uranium | 4.47 µg/L 15% of the EPA limit 30 µg/L | 14/54 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 483500 µg/L 4835% of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 500000 µg/L | 12/74 | SYR4 | 2012–2018 |
| Chromium | 11 µg/L 11% of the EPA limit 100 µg/L | 8/97 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) Phthalate | 3.6 µg/L 60% of the EPA limit 6 µg/L | 1/192 | SYR4 | 2012–2019 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about Scwa - Laguna/Vineyard
Is Scwa - Laguna/Vineyard tap water safe to drink?
EPA monitoring detected 16 contaminants in Scwa - Laguna/Vineyard'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 Scwa - Laguna/Vineyard's water?
EPA monitoring detected Nitrate, Arsenic, Fluoride, Lead, Barium, and others. The full list with the level and data source for each is above.
How many people does Scwa - Laguna/Vineyard serve?
Scwa - Laguna/Vineyard reports serving 184,896 people in California, per its EPA record.
Has Scwa - Laguna/Vineyard had any water quality violations?
The EPA has 2 violations on file for Scwa - Laguna/Vineyard, of which 1 is health-based (a contaminant limit or required treatment was breached) and 2 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.