OAK HILLS RANCH WATER
PWS ID: TX0940085 · DES PERES, Texas 63131-1871
Population Served
624
Total Violations
1,050
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 208
- County
- Guadalupe
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 893
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 130 | 2020 |
| Public Notice | Other | 79 | 2024 |
| Consumer Confidence Rule | Other | 69 | 2024 |
| Lead and Copper Rule | MR | 48 | 2025 |
| Nitrate | MR | 25 | 2020 |
| 1,2,4-Trichlorobenzene | MR | 24 | 2020 |
| cis-1,2-Dichloroethylene | MR | 24 | 2020 |
| Xylenes, Total | MR | 24 | 2020 |
| DICHLOROMETHANE | MR | 24 | 2020 |
| Vinyl chloride | MR | 24 | 2020 |
| trans-1,2-Dichloroethylene | MR | 24 | 2020 |
| 1,1,1-Trichloroethane | MR | 24 | 2020 |
| Carbon tetrachloride | MR | 24 | 2020 |
| 1,2-Dichloropropane | MR | 24 | 2020 |
| 1,1,2-Trichloroethane | MR | 24 | 2020 |
| CHLOROBENZENE | MR | 24 | 2020 |
| p-Dichlorobenzene | MR | 24 | 2020 |
| Trichloroethylene | MR | 24 | 2020 |
| Ethylbenzene | MR | 24 | 2020 |
| Styrene | MR | 24 | 2020 |
| o-Dichlorobenzene | MR | 24 | 2020 |
| 1,1-Dichloroethylene | MR | 24 | 2020 |
| 1,2-Dichloroethane | MR | 24 | 2020 |
| Tetrachloroethylene | MR | 24 | 2020 |
| Benzene | MR | 24 | 2020 |
| Toluene | MR | 24 | 2020 |
| Nitrite | MR | 10 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2019 |
| E. COLI | MR | 10 | 2020 |
| TTHM | MR | 10 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.