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 | 2018-12-21 |
| TT | Health-based | Resolved | 2018-12-21 |
| TT | Health-based | Resolved | 2018-12-21 |
| TT | Health-based | Resolved | 2018-12-21 |
| TT | Health-based | Resolved | 2018-12-21 |
| MCL | Health-based | Resolved | 2016-07-01 → 2016-09-30 |
| MCL | Health-based | Resolved | 2016-07-01 → 2016-09-30 |
| MCL | Health-based | Resolved | 2016-07-01 → 2016-09-30 |
| MCL | Health-based | Resolved | 2016-07-01 → 2016-09-30 |
| MCL | Health-based | Resolved | 2016-07-01 → 2016-09-30 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0061 µg/L | 4/8 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1700 µg/L 131% of the EPA limit, in the worst sample — 1300 µg/L | 62/62 | SYR4 | 2013–2017 |
| Bromodichloromethane | 52 µg/L No EPA limit set | 59/60 | SYR4 | 2012–2019 |
| Dibromochloromethane | 36.6 µg/L No EPA limit set | 59/60 | SYR4 | 2012–2019 |
| Chloroform | 83.4 µg/L No EPA limit set | 58/60 | SYR4 | 2012–2019 |
| Bromoform | 24.5 µg/L No EPA limit set | 55/60 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 69.1 µg/L No EPA limit set | 54/54 | SYR4 | 2012–2019 |
| TTHM | 186 µg/L 233% of the EPA limit, in the worst sample — 80 µg/L | 54/54 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 167 µg/L 278% of the EPA limit, in the worst sample — 60 µg/L | 54/54 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 11.2 µg/L No EPA limit set | 53/54 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 75.7 µg/L No EPA limit set | 49/54 | SYR4 | 2012–2019 |
| Lead | 40 µg/L 267% of the EPA limit, in the worst sample — 15 µg/L | 45/62 | SYR4 | 2013–2017 |
| Nitrate | 1150 µg/L 12% of the EPA limit 10000 µg/L | 42/44 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Monobromoacetic Acid | 1.9 µg/L No EPA limit set | 10/54 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 18.5 µg/L No EPA limit set | 9/54 | SYR4 | 2012–2019 |
| Atrazine | 0.2700 µg/L 9% of the EPA limit 3 µg/L | 6/9 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 1150 µg/L 12% of the EPA limit 10000 µg/L | 6/6 | SYR4 | 2012–2015 |
| Lithium | 61.9 µg/L No EPA limit set | 3/11 | UCMR-5 | 2025 |
| Barium | 69.7 µg/L 3.5% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2014–2017 |
| Cyanide | 90 µg/L 45% of the EPA limit 200 µg/L | 2/2 | SYR4 | 2014–2017 |
| Dalapon | 1.8 µg/L 0.9% of the EPA limit 200 µg/L | 2/52 | SYR4 | 2012–2019 |
| Fluoride | 210 µg/L 5.3% of the EPA limit 4000 µg/L | 2/2 | SYR4 | 2014–2017 |
85 contaminants tested, none detected
Utility contact
Frequently asked questions about Coryell City Water Supply District
Is Coryell City Water Supply District tap water safe to drink?
EPA monitoring detected 23 contaminants in Coryell City Water Supply District'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 Coryell City Water Supply District's water?
EPA monitoring detected Copper, Bromodichloromethane, Dibromochloromethane, Chloroform, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Coryell City Water Supply District serve?
Coryell City Water Supply District reports serving 6,042 people in Texas, per its EPA record.
Has Coryell City Water Supply District had any water quality violations?
The EPA has 132 violations on file for Coryell City Water Supply District, of which 68 are health-based (a contaminant limit or required treatment was breached) and 15 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.