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 | 2008-04-01 → 2008-06-30 |
| MCL | Health-based | Resolved | 2008-04-01 → 2008-06-30 |
| MCL | Health-based | Resolved | 2008-04-01 → 2008-06-30 |
| MCL | Health-based | Resolved | 2008-04-01 → 2008-06-30 |
| MCL | Health-based | Resolved | 2008-01-01 → 2008-03-31 |
| MCL | Health-based | Resolved | 2008-01-01 → 2008-03-31 |
| MCL | Health-based | Resolved | 2008-01-01 → 2008-03-31 |
| MCL | Health-based | Resolved | 2008-01-01 → 2008-03-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 11.5 µg/L No EPA limit set | 62/62 | SYR4 | 2012–2019 |
| Chloroform | 12.2 µg/L No EPA limit set | 62/62 | SYR4 | 2012–2019 |
| TTHM | 27.1 µg/L 34% of the EPA limit 80 µg/L | 62/62 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 26.9 µg/L 45% of the EPA limit 60 µg/L | 61/62 | SYR4 | 2012–2019 |
| Copper | 809 µg/L 62% of the EPA limit 1300 µg/L | 60/60 | SYR4 | 2013–2017 |
| Dibromochloromethane | 10.4 µg/L No EPA limit set | 60/62 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 18.8 µg/L No EPA limit set | 60/62 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 3.9 µg/L No EPA limit set | 45/62 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 5.1 µg/L No EPA limit set | 36/62 | SYR4 | 2012–2019 |
| Bromoform | 6.05 µg/L No EPA limit set | 31/62 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 4.4 µg/L No EPA limit set | 21/62 | SYR4 | 2012–2019 |
| Lead | 14 µg/L 93% of the EPA limit 15 µg/L | 20/60 | SYR4 | 2013–2017 |
| Monochloroacetic Acid | 4.9 µg/L No EPA limit set | 17/62 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2023 |
26 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Ovilla
Is City of Ovilla tap water safe to drink?
EPA monitoring detected 18 contaminants in City of Ovilla'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 Ovilla's water?
EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), Copper, and others. The full list with the level and data source for each is above.
How many people does City of Ovilla serve?
City of Ovilla reports serving 4,532 people in Texas, per its EPA record.
Has City of Ovilla had any water quality violations?
The EPA has 81 violations on file for City of Ovilla, of which 24 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.