HARRIS COUNTY MUD 255
PWS ID: TX1012766 · HOUSTON, Texas 77019-2191
Population Served
1,185
Total Violations
48
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 395
- County
- Harris
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 34
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 14 | 2024 |
| Lead and Copper Rule | MR | 12 | 2022 |
| Public Notice | Other | 8 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2021 |
| Coliform (TCR) | MCL | 4 | 2014 |
| TTHM | MR | 4 | 2021 |
| Consumer Confidence Rule | Other | 2 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.