Public water system record
City of La Grulla
Serves an area of Starr County, TX that includes La Paloma Ranchettes, La Victoria, Elias-Fela Solis and 20 more places · 9,500 people served
Federal records show 12 health-based violations and 42 monitoring/reporting issues for City of La Grulla in the last ten years, including an unresolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 12
- Resolved
- 6
- Unresolved
- 5
- Archived by EPA
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 42
Key facts
- City of La Grulla draws water from 2 surface water intakes.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2025.
- Record on file since 1992, with 3 health-based violations before October 19, 2016.
Check whether City of La Grulla 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 16, 2025 | Active | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | May 30, 2025 | Active | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Mar 1, 2025 | Active | No |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Dec 21, 2024 | Active | No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2024 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2023 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2022 | Resolved | Yes |
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Jun 19, 2021 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 20, 2025 | Active |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Sep 23, 2025 | Active |
|
Public Notice
OTHER
|
Aug 24, 2025 | Active |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2025 | Active |
|
Public Notice
OTHER
|
May 1, 2025 | Active |
|
Public Notice
OTHER
|
Apr 18, 2025 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2025 | Active |
|
Public Notice
OTHER
|
Oct 18, 2024 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 2, 2024 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Public Notice
OTHER
|
May 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Mar 31, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Mar 31, 2024 | Active |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Aug 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Jul 16, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Feb 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Mar 31, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2022 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2021 | Resolved |
|
Public Notice
OTHER
|
Aug 19, 2021 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2019 | Resolved |
|
Public Notice
OTHER
|
Apr 21, 2014 | Resolved |
|
Public Notice
OTHER
|
Feb 1, 2014 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2012 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 2, 2011 | Active |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2011 | Active |
|
Public Notice
OTHER
|
Sep 24, 2008 | Resolved |
Full record since 1992
EPA's records for City of La Grulla go back to 1992. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 66 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 3 | 6 |
| 2010 to October 18, 2016 | 0 | 59 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 12 | 35 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began February 2004, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 2004 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Dec 1, 2003 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Nov 1, 2002 | Resolved |
What the violations mean
Revised Total Coliform Rule
5 incidentsThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Interim Enhanced Surface Water Treatment Rule
5 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
City of La Grulla draws water from 2 surface water intakes.
Annual water quality report
City of La Grulla 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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