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 | Archived | 1992-11-01 → 1992-11-30 |
| Other | Monitoring | Resolved | 2025-07-01 |
| Other | Monitoring | Resolved | 2025-07-01 |
| MR | Monitoring | Resolved | 2018-07-01 → 2018-09-30 |
| MR | Monitoring | Resolved | 2018-07-01 → 2018-09-30 |
| MR | Monitoring | Resolved | 2018-07-01 → 2018-09-30 |
| MR | Monitoring | Resolved | 2018-07-01 → 2018-09-30 |
| MR | Monitoring | Resolved | 2013-12-30 |
| MR | Monitoring | Resolved | 2005-07-01 → 2005-07-31 |
| MR | Monitoring | Resolved | 2005-07-01 → 2005-07-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 5.437 µg/L No EPA limit set
worst single sample: 11.7 µg/L | 127/127 | SYR4 | 2012–2019 |
| TTHM | 15.8 µg/L 20% of the EPA limit 80 µg/L
worst single sample: 32.3 µg/L | 127/127 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 14.17 µg/L 24% of the EPA limit 60 µg/L
worst single sample: 16.1 µg/L | 127/127 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 10.255 µg/L No EPA limit set
worst single sample: 12.9 µg/L | 124/127 | SYR4 | 2012–2019 |
| Chloroform | 8.041 µg/L No EPA limit set
worst single sample: 11.3 µg/L | 123/127 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.0975 µg/L No EPA limit set
worst single sample: 7.81 µg/L | 116/127 | SYR4 | 2012–2019 |
| Copper | 769.1 µg/L 59% of the EPA limit 1300 µg/L
worst single sample: 1200 µg/L | 90/90 | SYR4 | 2013–2017 |
| Dibromoacetic Acid | 8.33 µg/L No EPA limit set
worst single sample: 10.7 µg/L | 62/127 | SYR4 | 2012–2019 |
| Lead | 9.54 µg/L 64% of the EPA limit 15 µg/L
worst single sample: 250 µg/L | 59/90 | SYR4 | 2013–2017 |
| Monochloroacetic Acid | 4.935 µg/L No EPA limit set
worst single sample: 5.1 µg/L | 52/127 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 3.74 µg/L No EPA limit set
worst single sample: 5.3 µg/L | 45/127 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 2.275 µg/L No EPA limit set
worst single sample: 2.8 µg/L | 26/127 | SYR4 | 2012–2019 |
| Lead | 0.0022 mg/L 14% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2024 |
| Bromoform | 2.729 µg/L No EPA limit set
worst single sample: 2.75 µg/L | 15/127 | SYR4 | 2012–2019 |
24 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Keller
Is City of Keller tap water safe to drink?
EPA monitoring detected 20 contaminants in City of Keller'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 Keller's water?
EPA monitoring detected Bromodichloromethane, TTHM, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, Chloroform, and others. The full list with the level and data source for each is above.
How many people does City of Keller serve?
City of Keller reports serving 46,308 people in Texas, per its EPA record.
Has City of Keller had any water quality violations?
The EPA has 12 violations on file for City of Keller, of which 1 is 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.