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 | Unaddressed | 2026-04-01 → 2026-06-30 |
| MCL | Health-based | Unaddressed | 2026-04-01 → 2026-06-30 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 155 µg/L No EPA limit set | 64/64 | SYR4 | 2012–2019 |
| TTHM | 511 µg/L 639% of the EPA limit, in the worst sample — 80 µg/L | 64/64 | SYR4 | 2012–2019 |
| Dibromochloromethane | 199 µg/L No EPA limit set | 60/64 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 136 µg/L 227% of the EPA limit, in the worst sample — 60 µg/L | 53/64 | SYR4 | 2012–2019 |
| Chloroform | 211 µg/L No EPA limit set | 51/64 | SYR4 | 2012–2019 |
| Bromoform | 267 µg/L No EPA limit set | 49/64 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 88.7 µg/L No EPA limit set | 39/64 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 107 µg/L No EPA limit set | 34/64 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 50.3 µg/L No EPA limit set | 30/64 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 10.6 µg/L No EPA limit set | 18/64 | SYR4 | 2012–2019 |
| Copper | 406 µg/L 31% of the EPA limit 1300 µg/L | 16/20 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 11.8 µg/L No EPA limit set | 15/64 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2025 |
| Lead | 4.9 µg/L 33% of the EPA limit 15 µg/L | 6/20 | SYR4 | 2014–2017 |
Utility contact
Frequently asked questions about Callahan County Wsc
Is Callahan County Wsc tap water safe to drink?
EPA monitoring detected 14 contaminants in Callahan County Wsc'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 Callahan County Wsc's water?
EPA monitoring detected Bromodichloromethane, TTHM, Dibromochloromethane, Total Haloacetic Acids (HAA5), Chloroform, and others. The full list with the level and data source for each is above.
How many people does Callahan County Wsc serve?
Callahan County Wsc reports serving 3,741 people in Texas, per its EPA record.
Has Callahan County Wsc had any water quality violations?
The EPA has 389 violations on file for Callahan County Wsc, of which 333 are health-based (a contaminant limit or required treatment was breached) and 2 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.