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 | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MCL | Health-based | Resolved | 2017-07-01 → 2017-09-30 |
| MR | Monitoring | Unaddressed | 2025-10-01 |
| MR | Monitoring | Unaddressed | 2025-10-01 |
| Other | Monitoring | Resolved | 2020-06-25 |
| Other | Monitoring | Resolved | 2020-06-25 |
| MR | Monitoring | Resolved | 2019-01-01 → 2019-03-31 |
| MR | Monitoring | Resolved | 2019-01-01 → 2019-03-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dibromochloromethane | 14.775 µg/L No EPA limit set
worst single sample: 18.4 µg/L | 102/104 | SYR4 | 2012–2019 |
| TTHM | 83.725 µg/L 105% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 95 µg/L | 102/104 | SYR4 | 2012–2019 |
| Copper | 120.6 µg/L 9.3% of the EPA limit 1300 µg/L
worst single sample: 227 µg/L | 89/90 | SYR4 | 2013–2019 |
| Bromodichloromethane | 18.9 µg/L No EPA limit set
worst single sample: 24.6 µg/L | 84/104 | SYR4 | 2012–2019 |
| Bromoform | 6.185 µg/L No EPA limit set
worst single sample: 7.8 µg/L | 82/104 | SYR4 | 2012–2019 |
| Chloroform | 63.255 µg/L No EPA limit set
worst single sample: 68.2 µg/L | 62/104 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 23.1 µg/L No EPA limit set
worst single sample: 24.5 µg/L | 61/104 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 41.6 µg/L 69% of the EPA limit 60 µg/L
worst single sample: 44.7 µg/L | 61/104 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 3.805 µg/L No EPA limit set
worst single sample: 5.5 µg/L | 60/104 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 15.38 µg/L No EPA limit set
worst single sample: 17.7 µg/L | 59/104 | SYR4 | 2012–2019 |
| Lead | 10.986 µg/L 73% of the EPA limit 15 µg/L
worst single sample: 23 µg/L | 22/90 | SYR4 | 2013–2019 |
| Lead | 0.0017 mg/L 11% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Monochloroacetic Acid | 4.45 µg/L No EPA limit set
worst single sample: 5 µg/L | 12/104 | SYR4 | 2012–2019 |
| Lithium | 22.9 µg/L No EPA limit set | 4/4 | UCMR-5 | 2023 |
| Monobromoacetic Acid | 1.4 µg/L No EPA limit set | 1/104 | SYR4 | 2012–2019 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Montgomery County Mud 7
Is Montgomery County Mud 7 tap water safe to drink?
EPA monitoring detected 15 contaminants in Montgomery County Mud 7'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 Montgomery County Mud 7's water?
EPA monitoring detected Dibromochloromethane, TTHM, Copper, Bromodichloromethane, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Montgomery County Mud 7 serve?
Montgomery County Mud 7 reports serving 12,528 people in Texas, per its EPA record.
Has Montgomery County Mud 7 had any water quality violations?
The EPA has 18 violations on file for Montgomery County Mud 7, of which 4 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.