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 | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| MCL | Health-based | Resolved | 2022-10-01 → 2022-12-31 |
| TT | Health-based | Resolved | 2022-05-24 |
| TT | Health-based | Resolved | 2022-05-24 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 2500 µg/L 192% of the EPA limit, in the worst sample — 1300 µg/L | 310/377 | SYR4 | 2012–2019 |
| Lead | 38 µg/L 253% of the EPA limit, in the worst sample — 15 µg/L | 201/377 | SYR4 | 2012–2019 |
| Arsenic | 37 µg/L 370% of the EPA limit, in the worst sample — 10 µg/L | 42/42 | SYR4 | 2012–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 22/22 | LCR | 2023 |
| Barium | 1000 µg/L 50% of the EPA limit 2000 µg/L | 14/20 | SYR4 | 2014–2018 |
| Bromodichloromethane | 21.3 µg/L No EPA limit set | 14/14 | SYR4 | 2013–2019 |
| Chloroform | 46.2 µg/L No EPA limit set | 14/14 | SYR4 | 2013–2019 |
| TTHM | 74.4 µg/L 93% of the EPA limit 80 µg/L | 14/14 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 46.6 µg/L 78% of the EPA limit 60 µg/L | 14/14 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 27 µg/L No EPA limit set | 14/14 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 33.5 µg/L No EPA limit set | 13/14 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.1 µg/L No EPA limit set | 8/14 | SYR4 | 2013–2019 |
| Dibromochloromethane | 6.9 µg/L No EPA limit set | 7/14 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 36 µg/L 0.4% of the EPA limit 10000 µg/L | 6/22 | SYR4 | 2012–2019 |
| Fluoride | 200 µg/L 5% of the EPA limit 4000 µg/L | 4/4 | SYR4 | 2014–2017 |
| Chromium | 10 µg/L 10% of the EPA limit 100 µg/L | 2/4 | SYR4 | 2014–2017 |
| Combined Radium (-226 And -228) | 1.15 pCi/L 23% of the EPA limit 5 pCi/L | 2/2 | SYR4 | 2017 |
| Di(2-ethylhexyl) Phthalate | 3.37 µg/L 56% of the EPA limit 6 µg/L | 2/6 | SYR4 | 2014–2017 |
| Monochloroacetic Acid | 0.7600 µg/L No EPA limit set | 2/14 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 3.15 pCi/L No EPA limit set | 1/4 | SYR4 | 2014–2017 |
| Lithium | 11.2 µg/L No EPA limit set | 1/2 | UCMR-5 | 2025 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about United Water
Is United Water tap water safe to drink?
EPA monitoring detected 21 contaminants in United Water'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 United Water's water?
EPA monitoring detected Copper, Lead, Arsenic, Lead, Barium, and others. The full list with the level and data source for each is above.
How many people does United Water serve?
United Water reports serving 4,446 people in Louisiana, per its EPA record.
Has United Water had any water quality violations?
The EPA has 213 violations on file for United Water, of which 182 are health-based (a contaminant limit or required treatment was breached) and 3 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.