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Public water system record

Harris County MUD 238

Serves an area of Harris County, TX · 7,773 people served

Federal records show 6 health-based violations and 2 monitoring/reporting issues for Harris County MUD 238 in the last ten years. The most serious issue in this window was a resolved Gross Alpha, Excl. Radon and U violation.

  • TX1012361
  • THE WOODLANDS
  • TX
  • 7,773 served

System profile

Source water Purchased surface water
ZIP 77380
EPA system ID TX1012361

Verify this system on EPA ECHO →

Health-based violations, last 10 years
6
Resolved
6
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Harris County MUD 238 draws water from 2 wells.
  • Highest measured level in the last 10 years: Gross Alpha, Excl. Radon and U, 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit), 2018.
  • Most recent formal enforcement: compliance order (no penalty) by Texas, June 2020.
  • Record on file since 2003, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 2,646 service lines.

Check whether Harris County MUD 238 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
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
 340 Jan 1, 2020 Resolved No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
 340 Oct 1, 2019 Resolved No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
 340 Jan 1, 2019 Resolved No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
 340 Oct 1, 2018 Resolved No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 17 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
 340 Jul 1, 2018 Resolved No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 16 pCi/L, federal limit 15 pCi/L (1.1 times the limit)
 340 Apr 1, 2018 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
 Mar 29, 2020 Resolved
Public Notice
OTHER
 Oct 24, 2019 Resolved

Full record since 2003

EPA's records for Harris County MUD 238 go back to 2003. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 2
October 19, 2016 to 2019 5 1
2020s 1 1

Enforcement actions

Texas regulators took 1 formal enforcement action against Harris County MUD 238 in 2020. The most recent was a compliance order (no penalty) in June 2020.

Date By Action Violations covered
Jun 16, 2020 Texas Compliance order (no penalty) 6 violations (6 health-based): Gross Alpha, Excl. Radon and U

What the violations mean

Gross Alpha, Excl. Radon and U

6 incidents

Test results for Gross Alpha, Excl. Radon and U were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about each of these violations.

Where the water comes from

Harris County MUD 238 draws water from 2 wells. It also buys water from West Harris County Regional Water Author. It also has an emergency connection to Mayde Creek MUD. 2 other public water systems have emergency connections to Harris County MUD 238.

Buys water from

Emergency or part-time connections to

Annual water quality report

Harris County MUD 238 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