Public water system record

El Sauz WSC

Serves an area of Starr County, TX that includes Escobares, Regino Ramirez, San Fernando and 3 more places · 2,223 people served

Federal records show 12 health-based violations and 27 monitoring/reporting issues for El Sauz WSC in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • TX2140028
  • ROMA
  • TX
  • 2,223 served

System profile

Source water Purchased surface water
ZIP 78584
EPA system ID TX2140028

Verify this system on EPA ECHO →

Health-based violations, last 10 years
12
Resolved
12
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
27

Key facts

  • El Sauz WSC buys its water from City of Rio Grande City.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit), 2021.
  • Most recent formal enforcement: compliance order with a penalty by Texas, October 2021.
  • Record on file since 2011, with 9 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 107 unknown out of 872 service lines.

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Health-based violations

Since October 2016

Violation 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 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Jan 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Jul 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
220 Apr 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.108 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Jan 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Oct 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Jul 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Oct 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Jul 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Apr 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Oct 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
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.
Public Notice
OTHER
Oct 1, 2023 Resolved
Public Notice
OTHER
Jul 24, 2023 Resolved
Public Notice
OTHER
Jul 24, 2023 Resolved
Public Notice
OTHER
Jan 13, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2022 Resolved
Public Notice
OTHER
Dec 19, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
May 26, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
May 3, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Dec 2, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Mar 16, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Dec 15, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 10, 2020 Resolved
Public Notice
OTHER
Mar 10, 2019 Resolved
Public Notice
OTHER
Mar 10, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 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
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2015 Active
Enforcement action in place
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2014 Resolved

Full record since 2011

EPA's records for El Sauz WSC go back to 2011. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 9 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 9 9
October 19, 2016 to 2019 2 7
2020s 9 18

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2016, Resolved.

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Oct 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
Jul 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.14 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
Apr 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.132 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
Jan 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.103 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
Oct 1, 2011 Resolved

Enforcement actions

Texas regulators took 2 formal enforcement actions against El Sauz WSC between 2016 and 2021. The most recent was a compliance order with a penalty in October 2021.

Date By Action Violations covered
Oct 27, 2021 Texas Compliance order with a penalty 11 violations (5 health-based): Total Trihalomethanes (TTHMs)
Dec 6, 2016 Texas Compliance order with a penalty 9 violations (5 health-based): Lead and Copper Rule, Total Trihalomethanes (TTHMs), Public Notice

What the violations mean

Total Trihalomethanes (TTHMs)

12 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

El Sauz WSC buys its water from City of Rio Grande City. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

El Sauz WSC 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.