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 | 1996-03-01 → 1996-03-31 |
| MCL | Health-based | Resolved | 1996-03-01 → 1996-03-31 |
| TT | Health-based | Resolved | 1993-06-01 → 1993-06-30 |
| TT | Health-based | Resolved | 1993-06-01 → 1993-06-30 |
| MR | Monitoring | Resolved | 1996-03-01 → 1996-03-31 |
| MR | Monitoring | Resolved | 1996-03-01 → 1996-03-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 10000 µg/L 100% of the EPA limit 10000 µg/L
worst single sample: 11000 µg/L | 1284/1284 | SYR4 | 2012–2019 |
| Combined Uranium | 23.84 µg/L 79% of the EPA limit 30 µg/L
worst single sample: 31.29 µg/L | 186/186 | SYR4 | 2012–2019 |
| TTHM | 70.95 µg/L 89% of the EPA limit 80 µg/L
worst single sample: 97 µg/L | 62/62 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 26 µg/L 43% of the EPA limit 60 µg/L
worst single sample: 30 µg/L | 62/62 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 8.7 µg/L No EPA limit set
worst single sample: 12 µg/L | 61/62 | SYR4 | 2012–2019 |
| Dibromochloromethane | 27 µg/L No EPA limit set
worst single sample: 35 µg/L | 61/62 | SYR4 | 2012–2019 |
| Bromodichloromethane | 17.1 µg/L No EPA limit set
worst single sample: 21 µg/L | 59/62 | SYR4 | 2012–2019 |
| Bromoform | 25 µg/L No EPA limit set
worst single sample: 28 µg/L | 56/62 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 15 µg/L No EPA limit set
worst single sample: 16 µg/L | 54/62 | SYR4 | 2012–2019 |
| Chloroform | 23.4 µg/L No EPA limit set
worst single sample: 29 µg/L | 53/62 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 9.775 µg/L No EPA limit set
worst single sample: 11 µg/L | 50/62 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 31/31 | LCR | 2023 |
| Fluoride | 477.5 µg/L 12% of the EPA limit 4000 µg/L
worst single sample: 500 µg/L | 16/16 | SYR4 | 2012–2019 |
| Barium | 146 µg/L 7.3% of the EPA limit 2000 µg/L
worst single sample: 150 µg/L | 5/13 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 10780 µg/L 108% of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 11000 µg/L | 5/5 | SYR4 | 2017–2019 |
| Lithium | 9.8 µg/L No EPA limit set | 2/8 | UCMR-5 | 2024 |
| Di(2-ethylhexyl) Phthalate | 22 µg/L 367% of the EPA limit, at the 95th percentile of samples — 6 µg/L | 1/20 | SYR4 | 2012–2018 |
| Selenium | 5.2 µg/L 10% of the EPA limit 50 µg/L | 1/13 | SYR4 | 2012–2019 |
57 contaminants tested, none detected
Utility contact
Frequently asked questions about Valencia Heights Water Co.
Is Valencia Heights Water Co. tap water safe to drink?
EPA monitoring detected 24 contaminants in Valencia Heights Water Co.'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 Valencia Heights Water Co.'s water?
EPA monitoring detected Nitrate, Combined Uranium, TTHM, Total Haloacetic Acids (HAA5), Dibromoacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Valencia Heights Water Co. serve?
Valencia Heights Water Co. reports serving 7,775 people in California, per its EPA record.
Has Valencia Heights Water Co. had any water quality violations?
The EPA has 6 violations on file for Valencia Heights Water Co., of which 4 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.