Public water system record
Llano Grande Lake Park West
Serves Mercedes, Hidalgo County, TX · 300 people served
Federal records show 2 health-based violations and 62 monitoring/reporting issues for Llano Grande Lake Park West in the last ten years, including an unresolved Lead and Copper Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 0
- Unresolved
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 62
Key facts
- Llano Grande Lake Park West buys its water from City of Mercedes.
- Most recent formal enforcement: compliance order with a penalty by Texas, April 2020.
- Record on file since 1999, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 114 service lines.
Check whether Llano Grande Lake Park West serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
350 | Feb 26, 2022 | Active | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Aug 31, 2019 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2025 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Public Notice
OTHER
|
Mar 10, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2023 | Resolved |
|
Public Notice
OTHER
|
Aug 17, 2023 | Resolved |
|
Public Notice
OTHER
|
Aug 13, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jun 11, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2021 | Resolved |
|
Public Notice
OTHER
|
Aug 23, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Mar 11, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Sep 6, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2020 | Resolved |
|
Public Notice
OTHER
|
May 16, 2020 | Resolved |
|
Public Notice
OTHER
|
May 16, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Mar 31, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 16, 2019 | Resolved |
|
Public Notice
OTHER
|
Nov 16, 2019 | Resolved |
|
Public Notice
OTHER
|
Nov 16, 2019 | Resolved |
|
Public Notice
OTHER
|
Nov 14, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Mar 10, 2019 | Resolved |
|
Public Notice
OTHER
|
Mar 10, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Oct 26, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2018 | Resolved |
|
Public Notice
OTHER
|
Aug 17, 2018 | Resolved |
|
Public Notice
OTHER
|
Aug 17, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2017 | Resolved |
|
Public Notice
OTHER
|
Feb 8, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2014 | Resolved |
Full record since 1999
EPA's records for Llano Grande Lake Park West go back to 1999. Before October 19, 2016 they list no health-based violations and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 0 | 7 |
| October 19, 2016 to 2019 | 1 | 27 |
| 2020s | 1 | 32 |
Enforcement actions
Texas regulators took 1 formal enforcement action against Llano Grande Lake Park West in 2020. The most recent was a compliance order with a penalty in April 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Apr 27, 2020 | Texas | Compliance order with a penalty | 36 violations: Lead and Copper Rule, Public Notice |
What the violations mean
Lead and Copper Rule
2 incidentsThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Llano Grande Lake Park West buys its water from City of Mercedes. It lists no wells or intakes of its own.
Buys water from
- City of Mercedes Mercedes, TX
Annual water quality report
Llano Grande Lake Park West must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Llano Grande Lake Park West for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.
Certified drinking water labs by state EPA guidance for private wells