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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2014-10-01 |
| MR | Monitoring | Resolved | 2014-10-01 |
| MR | Monitoring | Resolved | 2014-10-01 |
| MR | Monitoring | Resolved | 2014-10-01 |
| MR | Monitoring | Resolved | 2013-10-01 |
| MR | Monitoring | Resolved | 1992-07-01 → 1993-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 280 µg/L 22% of the EPA limit 1300 µg/L | 31/47 | SYR4 | 2012–2018 |
| Lead | 8 µg/L 53% of the EPA limit 15 µg/L | 15/47 | SYR4 | 2012–2018 |
| Lead | 0.0013 mg/L 8.7% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2024 |
| Nitrate | 20 µg/L 0.2% of the EPA limit 10000 µg/L | 4/16 | SYR4 | 2012–2019 |
| Arsenic | 3.6 µg/L 36% of the EPA limit 10 µg/L | 3/3 | SYR4 | 2012–2019 |
| Barium | 197 µg/L 9.9% of the EPA limit 2000 µg/L | 3/3 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.4 µg/L No EPA limit set | 3/12 | SYR4 | 2013–2019 |
| Fluoride | 340 µg/L 8.5% of the EPA limit 4000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Bromoform | 1 µg/L No EPA limit set | 2/12 | SYR4 | 2013–2019 |
| TTHM | 2.4 µg/L 3% of the EPA limit 80 µg/L | 2/7 | SYR4 | 2013–2019 |
| Lithium | 24.8 µg/L No EPA limit set | 2/2 | UCMR-5 | 2025 |
| Nitrate-Nitrite | 10 µg/L 0.1% of the EPA limit 10000 µg/L | 1/3 | SYR4 | 2013–2019 |
| Selenium | 3 µg/L 6% of the EPA limit 50 µg/L | 1/3 | SYR4 | 2012–2019 |
| Xylenes, Total | 0.9000 µg/L 0% of the EPA limit 10000 µg/L | 1/5 | SYR4 | 2015–2019 |
94 contaminants tested, none detected
Utility contact
Frequently asked questions about Chelford One Mud
Is Chelford One Mud tap water safe to drink?
EPA monitoring detected 14 contaminants in Chelford One Mud'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 Chelford One Mud's water?
EPA monitoring detected Copper, Lead, Lead, Nitrate, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Chelford One Mud serve?
Chelford One Mud reports serving 4,557 people in Texas, per its EPA record.
Has Chelford One Mud had any water quality violations?
The EPA has 6 violations on file for Chelford One Mud, of which 0 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.