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 |
|---|---|---|---|
| MON | Monitoring | Resolved | 2025-11-01 → 2025-11-30 |
| MON | Monitoring | Resolved | 2025-11-01 → 2025-11-30 |
| MON | Monitoring | Resolved | 2025-11-01 → 2025-11-30 |
| 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 | 2012-10-01 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 657.45 µg/L 51% of the EPA limit 1300 µg/L
worst single sample: 1000 µg/L | 60/60 | SYR4 | 2012–2018 |
| Lead | 3.688 µg/L 25% of the EPA limit 15 µg/L
worst single sample: 3.85 µg/L | 23/60 | SYR4 | 2012–2018 |
| Lead | 0.00050 mg/L 3.3% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2024 |
| Bromodichloromethane | 20.35 µg/L No EPA limit set
worst single sample: 21.4 µg/L | 7/7 | SYR4 | 2012–2019 |
| Chloroform | 40.6 µg/L No EPA limit set
worst single sample: 45.4 µg/L | 7/7 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 9.25 µg/L No EPA limit set
worst single sample: 9.4 µg/L | 7/7 | SYR4 | 2012–2019 |
| Dibromochloromethane | 19.65 µg/L No EPA limit set
worst single sample: 20.1 µg/L | 7/7 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 21.05 µg/L No EPA limit set
worst single sample: 22.7 µg/L | 7/7 | SYR4 | 2012–2019 |
| TTHM | 67.31 µg/L 84% of the EPA limit 80 µg/L
worst single sample: 68.6 µg/L | 7/7 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 37.29 µg/L 62% of the EPA limit 60 µg/L
worst single sample: 41.4 µg/L | 7/7 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 12.79 µg/L No EPA limit set
worst single sample: 14.8 µg/L | 7/7 | SYR4 | 2012–2019 |
| Bromoform | 18.15 µg/L No EPA limit set
worst single sample: 19.5 µg/L | 6/7 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 6.49 µg/L No EPA limit set
worst single sample: 6.7 µg/L | 2/7 | SYR4 | 2012–2019 |
| Lithium | 16.4 µg/L No EPA limit set | 2/2 | UCMR-5 | 2025 |
28 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Missouri City
Is City of Missouri City tap water safe to drink?
EPA monitoring detected 16 contaminants in City of Missouri City'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 Missouri City's water?
EPA monitoring detected Copper, Lead, Lead, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does City of Missouri City serve?
City of Missouri City reports serving 4,847 people in Texas, per its EPA record.
Has City of Missouri City had any water quality violations?
The EPA has 9 violations on file for City of Missouri City, 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.