LLANO GRANDE LAKE PARK EAST
PWSID: TX1080034 · Mercedes, TX · Serves 1,300 people
LLANO GRANDE LAKE PARK EAST has 9 health-based violations out of 9 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
LLANO GRANDE LAKE PARK EAST (PWSID TX1080034) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 1,300 people in Mercedes, TX, and is subject to primacy enforcement by the Texas drinking-water program.
The system's federal compliance record contains 9 total violations, with 9 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Combined Radium 226/228, Total Trihalomethanes (TTHM). Recorded violations span 2015–2022.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Texas state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- TX1080034
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Mercedes, TX
- Population Served
- 1,300
- Health Violations
- Yes (9)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Radium 226/228 | 6 | 6 |
| Total Trihalomethanes (TTHM) | 3 | 3 |
Violation History (9)
| Contaminant | Health | Date |
|---|---|---|
| Combined Radium 226/228 | Yes | Oct 1, 2022 |
| Combined Radium 226/228 | Yes | Apr 1, 2022 |
| Combined Radium 226/228 | Yes | Mar 31, 2022 |
| Combined Radium 226/228 | Yes | Oct 1, 2019 |
| Combined Radium 226/228 | Yes | Apr 1, 2019 |
| Combined Radium 226/228 | Yes | Mar 31, 2019 |
| Total Trihalomethanes (TTHM) | Yes | Oct 1, 2015 |
| Total Trihalomethanes (TTHM) | Yes | Jul 1, 2015 |
| Total Trihalomethanes (TTHM) | Yes | Apr 1, 2015 |
Frequently Asked Questions
Is LLANO GRANDE LAKE PARK EAST water safe to drink?
How many people does LLANO GRANDE LAKE PARK EAST serve?
What violations does LLANO GRANDE LAKE PARK EAST have?
What contaminants have been found in LLANO GRANDE LAKE PARK EAST water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.