BLACK ROCK WSC
PWS ID: TX0610040 · AUBREY, Texas 76227-0430
Population Served
1,680
Total Violations
75
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 560
- County
- Denton
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 53
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 5 | 2021 |
| Consumer Confidence Rule | Other | 4 | 2003 |
| Chlorine | MR | 4 | 2016 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Fluoride | MR | 2 | 2021 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2020 |
| LASSO | MR | 1 | 2020 |
| Hexachlorocyclopentadiene | MR | 1 | 2020 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2019 |
| Antimony, Total | MR | 1 | 2019 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2020 |
| Cadmium | MR | 1 | 2019 |
| Simazine | MR | 1 | 2020 |
| BHC-GAMMA | MR | 1 | 2020 |
| 2,4-D | MR | 1 | 2019 |
| Picloram | MR | 1 | 2019 |
| Barium | MR | 1 | 2019 |
| Aldicarb sulfone | MR | 1 | 2019 |
| Atrazine | MR | 1 | 2020 |
| HEXACHLOROBENZENE | MR | 1 | 2020 |
| ETHYLENE DIBROMIDE | MR | 1 | 2019 |
| 2,4,5-TP | MR | 1 | 2019 |
| Pentachlorophenol | MR | 1 | 2020 |
| Beryllium, Total | MR | 1 | 2019 |
| Methoxychlor | MR | 1 | 2020 |
| CYANIDE | MR | 1 | 2021 |
| Toxaphene | MR | 1 | 2020 |
| Mercury | MR | 1 | 2019 |
| Thallium, Total | MR | 1 | 2019 |
| Chromium | MR | 1 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.