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 | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | 44.225 µg/L 74% of the EPA limit 60 µg/L
worst single sample: 64.5 µg/L | 46/52 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 8.99 µg/L No EPA limit set
worst single sample: 15.7 µg/L | 44/52 | SYR4 | 2012–2019 |
| Dibromochloromethane | 82.9 µg/L No EPA limit set
worst single sample: 165 µg/L | 41/60 | SYR4 | 2012–2019 |
| Bromodichloromethane | 50.84 µg/L No EPA limit set
worst single sample: 72.2 µg/L | 39/60 | SYR4 | 2012–2019 |
| Copper | 223 µg/L 17% of the EPA limit 1300 µg/L
worst single sample: 650 µg/L | 39/45 | SYR4 | 2013–2017 |
| TTHM | 215.91 µg/L 270% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 397 µg/L | 38/53 | SYR4 | 2012–2019 |
| Bromoform | 72.25 µg/L No EPA limit set
worst single sample: 142 µg/L | 36/60 | SYR4 | 2012–2019 |
| Chloroform | 13.41 µg/L No EPA limit set
worst single sample: 18.6 µg/L | 34/60 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 31.72 µg/L No EPA limit set
worst single sample: 42.8 µg/L | 33/52 | SYR4 | 2012–2019 |
| Nitrate | 293 µg/L 2.9% of the EPA limit 10000 µg/L | 20/20 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 6.32 µg/L No EPA limit set
worst single sample: 10.4 µg/L | 18/52 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.42 µg/L No EPA limit set
worst single sample: 5.3 µg/L | 17/52 | SYR4 | 2012–2019 |
| Lead | 20.25 µg/L 135% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 39 µg/L | 16/45 | SYR4 | 2013–2017 |
| Trichloroacetic Acid | 6.32 µg/L No EPA limit set
worst single sample: 10.7 µg/L | 13/52 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2023 |
| Barium | 193 µg/L 9.7% of the EPA limit 2000 µg/L
worst single sample: 220 µg/L | 7/7 | SYR4 | 2013–2019 |
| Fluoride | 235.8 µg/L 5.9% of the EPA limit 4000 µg/L
worst single sample: 240 µg/L | 7/9 | SYR4 | 2012–2019 |
| Lithium | 42.7 µg/L No EPA limit set | 4/4 | UCMR-5 | 2024 |
| Cyanide | 106.11 µg/L 53% of the EPA limit 200 µg/L
worst single sample: 107 µg/L | 3/6 | SYR4 | 2014–2019 |
| Chromium | 3.244 µg/L 3.2% of the EPA limit 100 µg/L
worst single sample: 3.46 µg/L | 3/7 | SYR4 | 2013–2019 |
| Arsenic | 1.6175 µg/L 16% of the EPA limit 10 µg/L
worst single sample: 1.65 µg/L | 2/7 | SYR4 | 2013–2019 |
| Di(2-ethylhexyl) Phthalate | 0.9850 µg/L 16% of the EPA limit 6 µg/L
worst single sample: 1 µg/L | 2/11 | SYR4 | 2012–2019 |
| Selenium | 5.637 µg/L 11% of the EPA limit 50 µg/L
worst single sample: 5.83 µg/L | 2/7 | SYR4 | 2013–2019 |
82 contaminants tested, none detected
Utility contact
Frequently asked questions about Oak Trail Shores
Is Oak Trail Shores tap water safe to drink?
EPA monitoring detected 25 contaminants in Oak Trail Shores'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 Oak Trail Shores's water?
EPA monitoring detected Total Haloacetic Acids (HAA5), Dichloroacetic Acid, Dibromochloromethane, Bromodichloromethane, Copper, and others. The full list with the level and data source for each is above.
How many people does Oak Trail Shores serve?
Oak Trail Shores reports serving 5,676 people in Texas, per its EPA record.
Has Oak Trail Shores had any water quality violations?
The EPA has 182 violations on file for Oak Trail Shores, of which 121 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.