LLANO GRANDE LAKE PARK WEST
PWS ID: TX1080236 · MERCEDES, Texas 78570-7108
Population Served
300
Total Violations
239
Health-Based Violations
6
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 439
- County
- Hidalgo
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 157
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 148 | 2025 |
| Public Notice | Other | 54 | 2025 |
| Consumer Confidence Rule | Other | 17 | 2023 |
| Chlorine | MR | 8 | 2017 |
| Lead and Copper Rule | TT | 6 | 2022 |
| Groundwater Rule | Other | 1 | 2013 |
| Coliform (TCR) | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.