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 | Resolved | 2023-12-25 |
| TT | Health-based | Resolved | 2023-12-25 |
| MCL | Health-based | Resolved | 2003-09-01 → 2003-09-30 |
| MCL | Health-based | Resolved | 2001-03-01 → 2001-03-31 |
| MR | Monitoring | Resolved | 2023-04-01 → 2023-06-30 |
| MR | Monitoring | Resolved | 2023-04-01 → 2023-06-30 |
| MR | Monitoring | Resolved | 2023-04-01 → 2023-06-30 |
| MR | Monitoring | Resolved | 2023-04-01 → 2023-06-30 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-12-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 9346.5 µg/L 93% of the EPA limit 10000 µg/L
worst single sample: 10500 µg/L | 272/272 | SYR4 | 2012–2019 |
| Arsenic | 8.625 µg/L 86% of the EPA limit 10 µg/L
worst single sample: 9.7 µg/L | 176/176 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 9192 µg/L 92% of the EPA limit 10000 µg/L
worst single sample: 10500 µg/L | 133/133 | SYR4 | 2012–2019 |
| Copper | 237 µg/L 18% of the EPA limit 1300 µg/L
worst single sample: 390 µg/L | 87/90 | SYR4 | 2013–2019 |
| TTHM | 33.145 µg/L 41% of the EPA limit 80 µg/L
worst single sample: 44.1 µg/L | 54/55 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 5.56 µg/L 9.3% of the EPA limit 60 µg/L
worst single sample: 7.6 µg/L | 45/54 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 20/20 | LCR | 2023 |
| Barium | 111.5 µg/L 5.6% of the EPA limit 2000 µg/L
worst single sample: 120 µg/L | 18/18 | SYR4 | 2013–2019 |
| Fluoride | 1507 µg/L 38% of the EPA limit 4000 µg/L
worst single sample: 1830 µg/L | 18/18 | SYR4 | 2013–2019 |
| Lithium | 166 µg/L No EPA limit set | 14/14 | UCMR-5 | 2024 |
| Chromium | 16 µg/L 16% of the EPA limit 100 µg/L
worst single sample: 17 µg/L | 11/18 | SYR4 | 2013–2019 |
| Lead | 7.02 µg/L 47% of the EPA limit 15 µg/L
worst single sample: 7.3 µg/L | 9/90 | SYR4 | 2013–2019 |
| Selenium | 8.6 µg/L 17% of the EPA limit 50 µg/L
worst single sample: 11 µg/L | 9/18 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon And U | 5.5 pCi/L 37% of the EPA limit 15 pCi/L
worst single sample: 5.8 pCi/L | 5/5 | SYR4 | 2016 |
| Bromodichloromethane | 1.375 µg/L No EPA limit set
worst single sample: 1.4 µg/L | 2/3 | SYR4 | 2019 |
| Bromoform | 12.215 µg/L No EPA limit set
worst single sample: 12.7 µg/L | 2/3 | SYR4 | 2019 |
| Chloroform | 2.285 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 2/3 | SYR4 | 2019 |
| Dibromoacetic Acid | 3.115 µg/L No EPA limit set
worst single sample: 3.2 µg/L | 2/2 | SYR4 | 2019 |
| Dibromochloromethane | 3.565 µg/L No EPA limit set
worst single sample: 3.6 µg/L | 2/4 | SYR4 | 2019 |
| Antimony, Total | 0.5000 µg/L 8.3% of the EPA limit 6 µg/L | 1/18 | SYR4 | 2013–2019 |
| Asbestos | 0.2000 MFL 2.9% of the EPA limit 7 MFL | 1/9 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 0.3000 pCi/L 6% of the EPA limit 5 pCi/L | 1/33 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) Phthalate | 1 µg/L 17% of the EPA limit 6 µg/L | 1/44 | SYR4 | 2013–2019 |
81 contaminants tested, none detected
Utility contact
Frequently asked questions about Liberty Water Lpsco
Is Liberty Water Lpsco tap water safe to drink?
EPA monitoring detected 31 contaminants in Liberty Water Lpsco'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 Water Lpsco's water?
EPA monitoring detected Nitrate, Arsenic, Nitrate-Nitrite, Copper, TTHM, and others. The full list with the level and data source for each is above.
How many people does Liberty Water Lpsco serve?
Liberty Water Lpsco reports serving 55,810 people in Arizona, per its EPA record.
Has Liberty Water Lpsco had any water quality violations?
The EPA has 246 violations on file for Liberty Water Lpsco, 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.