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Public water system record

Highland Bayou Estates WSC

Serves an area of Galveston County, TX · 30 people served

Federal records show 8 health-based violations and 23 monitoring/reporting issues for Highland Bayou Estates WSC in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • TX0840080
  • HITCHCOCK
  • TX
  • 30 served

System profile

Source water Groundwater
ZIP 77563
EPA system ID TX0840080

Verify this system on EPA ECHO →

Health-based violations, last 10 years
8
Resolved
8
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
23

Key facts

  • Highland Bayou Estates WSC draws water from 1 well.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.136 mg/L, federal limit 0.08 mg/L (1.7 times the limit), 2017.
  • Most recent formal enforcement: compliance order with a penalty by Texas, November 2017.
  • Record on file since 2003, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 23 service lines.

Check whether Highland Bayou Estates WSC 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, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.134 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
 220 Jul 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 220 Apr 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Jan 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 220 Jul 1, 2017 Resolved 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, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.136 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
 220 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.119 mg/L, federal limit 0.08 mg/L (1.5 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
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Active
Public Notice
OTHER
 Dec 11, 2021 Resolved
Public Notice
OTHER
 Jul 11, 2021 Resolved
Public Notice
OTHER
 Mar 23, 2021 Resolved
Public Notice
OTHER
 Mar 11, 2021 Resolved
Public Notice
OTHER
 Nov 24, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Nov 3, 2020 Resolved
Public Notice
OTHER
 Oct 7, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Jun 23, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
 Feb 25, 2020 Resolved
Public Notice
OTHER
 Oct 5, 2017 Resolved
Public Notice
OTHER
 Jun 15, 2017 Resolved
Public Notice
OTHER
 Jan 20, 2017 Resolved
Public Notice
OTHER
 Nov 12, 2016 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 2016 Resolved
Public Notice
OTHER
 Feb 8, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2015 Resolved
Public Notice
OTHER
 Feb 13, 2015 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2014 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2013 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2011 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2010 Resolved

Full record since 2003

EPA's records for Highland Bayou Estates WSC go back to 2003. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 30 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 20
2010 to October 18, 2016 1 10
October 19, 2016 to 2019 3 4
2020s 4 10

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

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.119 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
 Oct 1, 2016 Resolved

Enforcement actions

Texas regulators took 1 formal enforcement action against Highland Bayou Estates WSC in 2017. The most recent was a compliance order with a penalty in November 2017.

Date By Action Violations covered
Nov 28, 2017 Texas Compliance order with a penalty 5 violations (4 health-based): Consumer Confidence Rule, Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

8 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Highland Bayou Estates WSC draws water from 1 well.

Annual water quality report

Highland Bayou Estates 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.

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 Highland Bayou Estates WSC 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