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 | 2006-04-01 → 2006-06-30 |
| MCL | Health-based | Resolved | 2006-04-01 → 2006-06-30 |
| MCL | Health-based | Resolved | 2006-04-01 → 2006-06-30 |
| MCL | Health-based | Resolved | 2006-04-01 → 2006-06-30 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-03-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-01-31 |
| MCL | Health-based | Resolved | 2006-01-01 → 2006-01-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 104.9 µg/L 8.1% of the EPA limit 1300 µg/L
worst single sample: 158 µg/L | 51/55 | SYR4 | 2013–2019 |
| Bromodichloromethane | 20.54 µg/L No EPA limit set
worst single sample: 21.8 µg/L | 40/40 | SYR4 | 2012–2019 |
| Chloroform | 56.85 µg/L No EPA limit set
worst single sample: 59.3 µg/L | 40/40 | SYR4 | 2012–2019 |
| Dibromochloromethane | 9.11 µg/L No EPA limit set
worst single sample: 9.7 µg/L | 40/40 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 36.735 µg/L No EPA limit set
worst single sample: 37.1 µg/L | 32/32 | SYR4 | 2012–2019 |
| TTHM | 76.625 µg/L 96% of the EPA limit 80 µg/L
worst single sample: 86.6 µg/L | 32/33 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 58.355 µg/L 97% of the EPA limit 60 µg/L
worst single sample: 64.9 µg/L | 32/32 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 19.775 µg/L No EPA limit set
worst single sample: 22.6 µg/L | 32/32 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.85 µg/L No EPA limit set
worst single sample: 5.3 µg/L | 19/32 | SYR4 | 2012–2019 |
| Nitrate | 425 µg/L 4.3% of the EPA limit 10000 µg/L | 18/18 | SYR4 | 2012–2019 |
| Lead | 6.906 µg/L 46% of the EPA limit 15 µg/L
worst single sample: 14.7 µg/L | 13/55 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2025 |
| Dibromoacetic Acid | 2.655 µg/L No EPA limit set
worst single sample: 2.7 µg/L | 10/32 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 2.895 µg/L No EPA limit set
worst single sample: 3 µg/L | 8/32 | SYR4 | 2012–2019 |
| Barium | 54.7 µg/L 2.7% of the EPA limit 2000 µg/L
worst single sample: 55 µg/L | 7/7 | SYR4 | 2013–2019 |
| Fluoride | 75.95 µg/L 1.9% of the EPA limit 4000 µg/L
worst single sample: 78.5 µg/L | 7/8 | SYR4 | 2012–2019 |
| Bromoform | 1.275 µg/L No EPA limit set
worst single sample: 1.32 µg/L | 4/40 | SYR4 | 2012–2019 |
| Cyanide | 69.0345 µg/L 35% of the EPA limit 200 µg/L
worst single sample: 72.4 µg/L | 2/6 | SYR4 | 2014–2019 |
| Selenium | 1.6765 µg/L 3.4% of the EPA limit 50 µg/L
worst single sample: 1.7 µg/L | 2/7 | SYR4 | 2013–2019 |
| Combined Radium (-226 And -228) | 1.5 pCi/L 30% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2015 |
| Gross Beta Particle Activity | 6.4 pCi/L No EPA limit set | 1/1 | SYR4 | 2015 |
57 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Mount Vernon
Is City of Mount Vernon tap water safe to drink?
EPA monitoring detected 21 contaminants in City of Mount Vernon'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 Mount Vernon's water?
EPA monitoring detected Copper, Bromodichloromethane, Chloroform, Dibromochloromethane, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does City of Mount Vernon serve?
City of Mount Vernon reports serving 2,662 people in Texas, per its EPA record.
Has City of Mount Vernon had any water quality violations?
The EPA has 40 violations on file for City of Mount Vernon, of which 34 are health-based (a contaminant limit or required treatment was breached) and 1 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.