ROLLING HILLS WATER SUPPLY
PWS ID: TX1550139 · COLLINSVILLE, Texas 76233-0910
Population Served
186
Total Violations
1,406
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 62
- County
- McLennan
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 1,280
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 132 | 2009 |
| Public Notice | Other | 105 | 2025 |
| Lead and Copper Rule | MR | 73 | 2025 |
| Chlorine | MR | 48 | 2021 |
| Revised Total Coliform Rule | MON | 40 | 2025 |
| Nitrate | MR | 33 | 2024 |
| DICHLOROMETHANE | MR | 28 | 2024 |
| p-Dichlorobenzene | MR | 28 | 2024 |
| Vinyl chloride | MR | 28 | 2024 |
| 1,1-Dichloroethylene | MR | 28 | 2024 |
| trans-1,2-Dichloroethylene | MR | 28 | 2024 |
| 1,1,1-Trichloroethane | MR | 28 | 2024 |
| 1,2-Dichloropropane | MR | 28 | 2024 |
| 1,1,2-Trichloroethane | MR | 28 | 2024 |
| Tetrachloroethylene | MR | 28 | 2024 |
| CHLOROBENZENE | MR | 28 | 2024 |
| Benzene | MR | 28 | 2024 |
| Ethylbenzene | MR | 28 | 2024 |
| Styrene | MR | 28 | 2024 |
| 1,2,4-Trichlorobenzene | MR | 28 | 2024 |
| o-Dichlorobenzene | MR | 28 | 2024 |
| Trichloroethylene | MR | 28 | 2024 |
| Toluene | MR | 28 | 2024 |
| Xylenes, Total | MR | 28 | 2024 |
| Carbon tetrachloride | MR | 28 | 2024 |
| 1,2-Dichloroethane | MR | 28 | 2024 |
| cis-1,2-Dichloroethylene | MR | 28 | 2024 |
| Consumer Confidence Rule | Other | 16 | 2024 |
| BHC-GAMMA | MR | 9 | 2021 |
| Methoxychlor | MR | 9 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.