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 | 2016-03-01 → 2016-03-31 |
| MCL | Health-based | Resolved | 2014-06-01 → 2014-06-30 |
| MCL | Health-based | Resolved | 2014-06-01 → 2014-06-30 |
| TT | Health-based | Resolved | 1997-12-01 → 1997-12-31 |
| TT | Health-based | Resolved | 1997-12-01 → 1997-12-31 |
| TT | Health-based | Resolved | 1997-12-01 → 1997-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | 18.5 µg/L 31% of the EPA limit 60 µg/L | 13/13 | SYR4 | 2012–2019 |
| Arsenic | 7 µg/L 70% of the EPA limit 10 µg/L | 12/32 | SYR4 | 2012–2019 |
| Chloroform | 67.7 µg/L No EPA limit set | 12/12 | SYR4 | 2019 |
| Combined Uranium | 1.8029 µg/L 6% of the EPA limit 30 µg/L | 12/12 | SYR4 | 2015–2016 |
| Dichloroacetic Acid | 12.3 µg/L No EPA limit set | 12/13 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2023 |
| TTHM | 73.77 µg/L 92% of the EPA limit 80 µg/L | 12/12 | SYR4 | 2019 |
| Bromodichloromethane | 11.9 µg/L No EPA limit set | 11/12 | SYR4 | 2019 |
| Trichloroacetic Acid | 10 µg/L No EPA limit set | 11/13 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.84 µg/L No EPA limit set | 10/12 | SYR4 | 2019 |
| Fluoride | 280 µg/L 7% of the EPA limit 4000 µg/L | 4/32 | SYR4 | 2012–2019 |
| Copper | 75 µg/L 5.8% of the EPA limit 1300 µg/L | 2/32 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) Phthalate | 3.8 µg/L 63% of the EPA limit 6 µg/L | 1/12 | SYR4 | 2013–2018 |
| Trichloroethylene | 0.9700 µg/L 19% of the EPA limit 5 µg/L | 1/29 | SYR4 | 2012–2019 |
98 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Vallejo-Lakes
Is City of Vallejo-Lakes tap water safe to drink?
EPA monitoring detected 14 contaminants in City of Vallejo-Lakes'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 City of Vallejo-Lakes's water?
EPA monitoring detected Total Haloacetic Acids (HAA5), Arsenic, Chloroform, Combined Uranium, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does City of Vallejo-Lakes serve?
City of Vallejo-Lakes reports serving 2,800 people in California, per its EPA record.
Has City of Vallejo-Lakes had any water quality violations?
The EPA has 6 violations on file for City of Vallejo-Lakes, of which 6 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.