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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2021-01-01 → 2021-12-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 4294 µg/L 43% of the EPA limit 10000 µg/L
worst single sample: 5800 µg/L | 338/350 | SYR4 | 2012–2019 |
| Fluoride | 935 µg/L 23% of the EPA limit 4000 µg/L
worst single sample: 1100 µg/L | 54/54 | SYR4 | 2012–2019 |
| Chromium | 6.225 µg/L 6.2% of the EPA limit 100 µg/L
worst single sample: 7.7 µg/L | 36/52 | SYR4 | 2012–2019 |
| Lead | 0.00056 mg/L 3.7% of the EPA limit 0.0150 mg/L | 27/27 | LCR | 2025 |
| Arsenic | 4.98 µg/L 50% of the EPA limit 10 µg/L
worst single sample: 6 µg/L | 22/54 | SYR4 | 2012–2019 |
| Combined Uranium | 4.47 µg/L 15% of the EPA limit 30 µg/L
worst single sample: 11.4432 µg/L | 21/25 | SYR4 | 2012–2019 |
| Barium | 49.3 µg/L 2.5% of the EPA limit 2000 µg/L
worst single sample: 51 µg/L | 18/52 | SYR4 | 2012–2019 |
| Lithium | 32 µg/L No EPA limit set | 10/21 | UCMR-5 | 2025 |
| Bromodichloromethane | 1.38 µg/L No EPA limit set
worst single sample: 1.5 µg/L | 7/13 | SYR4 | 2012–2019 |
| Bromoform | 17.4 µg/L No EPA limit set
worst single sample: 18 µg/L | 7/13 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6.33 µg/L No EPA limit set
worst single sample: 6.6 µg/L | 7/13 | SYR4 | 2012–2019 |
| TTHM | 24.4 µg/L 31% of the EPA limit 80 µg/L
worst single sample: 25 µg/L | 7/8 | SYR4 | 2015–2019 |
| Dibromoacetic Acid | 2.26 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 5/7 | SYR4 | 2015–2019 |
| Total Haloacetic Acids (HAA5) | 2.29 µg/L 3.8% of the EPA limit 60 µg/L
worst single sample: 2.3 µg/L | 2/7 | SYR4 | 2015–2019 |
| Beryllium, Total | 1.9 µg/L 48% of the EPA limit 4 µg/L | 1/52 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 450 µg/L 4.5% of the EPA limit 10000 µg/L | 1/1 | SYR4 | 2016 |
95 contaminants tested, none detected
Utility contact
Frequently asked questions about Liberty Utilities (Av Ranchos) Corp.
Is Liberty Utilities (Av Ranchos) Corp. tap water safe to drink?
EPA monitoring detected 16 contaminants in Liberty Utilities (Av Ranchos) Corp.'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 Liberty Utilities (Av Ranchos) Corp.'s water?
EPA monitoring detected Nitrate, Fluoride, Chromium, Lead, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Liberty Utilities (Av Ranchos) Corp. serve?
Liberty Utilities (Av Ranchos) Corp. reports serving 64,469 people in California, per its EPA record.
Has Liberty Utilities (Av Ranchos) Corp. had any water quality violations?
The EPA has 2 violations on file for Liberty Utilities (Av Ranchos) Corp., 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.