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Public water system record

Gbra Calhoun County Rural Water System

Serves an area of Calhoun County, TX that includes Port Lavaca, Magnolia Beach and Alamo Beach · 4,482 people served

Federal records show 10 health-based violations and 8 monitoring/reporting issues for Gbra Calhoun County Rural Water System in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

  • TX0290007
  • CYPRESS
  • TX
  • 4,482 served

System profile

Source water Purchased surface water
ZIP 77429
EPA system ID TX0290007

Verify this system on EPA ECHO →

Health-based violations, last 10 years
10
Resolved
1
Unresolved
0
Archived by EPA
9
Any acute record
No
Monitoring issues, last 10 years
8

Key facts

  • Gbra Calhoun County Rural Water System buys its water from Guadalupe Blanco River Authority and City of Port Lavaca.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.11 mg/L, federal limit 0.08 mg/L (1.4 times the limit), 2024.
  • Most recent formal enforcement: compliance order (no penalty) by Texas, December 2015.
  • Record on file since 1992, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,599 service lines.

Check whether Gbra Calhoun County Rural Water System serves your address

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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 0.101 mg/L, federal limit 0.08 mg/L (1.3 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 220 Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 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, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Apr 1, 2021 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
 Oct 31, 2025 Active
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2025 Active
Public Notice
OTHER
 Apr 29, 2025 Resolved
Public Notice
OTHER
 Nov 21, 2024 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2024 Resolved
Public Notice
OTHER
 Jan 15, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Dec 26, 2023 Resolved
Revised Total Coliform Rule
Monitoring violation
 Feb 1, 2021 Resolved

Full record since 1992

EPA's records for Gbra Calhoun County Rural Water System go back to 1992. Before October 19, 2016 they list 4 health-based violations (3 resolved, 1 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 2
2010 to October 18, 2016 3 2
2020s 10 8

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2015, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2014 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1993 Archived

Enforcement actions

Texas regulators took 1 formal enforcement action against Gbra Calhoun County Rural Water System in 2015. The most recent was a compliance order (no penalty) in December 2015.

Date By Action Violations covered
Dec 5, 2015 Texas Compliance order (no penalty) 3 violations (3 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

10 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Gbra Calhoun County Rural Water System buys its water from Guadalupe Blanco River Authority and City of Port Lavaca. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Gbra Calhoun County Rural Water System 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