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 | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-01-01 → 2005-03-31 |
| MCL | Health-based | Resolved | 2005-01-01 → 2005-03-31 |
| MCL | Health-based | Resolved | 2005-01-01 → 2005-03-31 |
| MCL | Health-based | Resolved | 2005-01-01 → 2005-03-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0054 µg/L | 1/4 | 2023 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dibromochloromethane | 27.8 µg/L No EPA limit set | 125/125 | SYR4 | 2012–2019 |
| TTHM | 178 µg/L 223% of the EPA limit, in the worst sample — 80 µg/L | 125/125 | SYR4 | 2012–2019 |
| Bromodichloromethane | 42.1 µg/L No EPA limit set | 123/125 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 72.3 µg/L 120% of the EPA limit, in the worst sample — 60 µg/L | 122/125 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 45.1 µg/L No EPA limit set | 116/125 | SYR4 | 2012–2019 |
| Bromoform | 35.8 µg/L No EPA limit set | 113/125 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 13.4 µg/L No EPA limit set | 113/125 | SYR4 | 2012–2019 |
| Chloroform | 120 µg/L No EPA limit set | 105/125 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 24 µg/L No EPA limit set | 66/125 | SYR4 | 2012–2019 |
| Copper | 1320 µg/L 102% of the EPA limit, in the worst sample — 1300 µg/L | 63/90 | SYR4 | 2013–2019 |
| Lead | 11 µg/L 73% of the EPA limit 15 µg/L | 45/90 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 8.1 µg/L No EPA limit set | 18/125 | SYR4 | 2012–2019 |
| Lead | 0.0011 mg/L 7.3% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2025 |
| Monobromoacetic Acid | 7.6 µg/L No EPA limit set | 17/125 | SYR4 | 2012–2019 |
| Lithium | 37 µg/L No EPA limit set | 3/4 | UCMR-5 | 2023 |
28 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Cibolo
Is City of Cibolo tap water safe to drink?
EPA monitoring detected 16 contaminants in City of Cibolo'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 Cibolo's water?
EPA monitoring detected Dibromochloromethane, TTHM, Bromodichloromethane, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does City of Cibolo serve?
City of Cibolo reports serving 20,331 people in Texas, per its EPA record.
Has City of Cibolo had any water quality violations?
The EPA has 44 violations on file for City of Cibolo, of which 23 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.