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Public water system record

West Harris County MUD 10

Serves an area of Harris County, TX · 6,697 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for West Harris County MUD 10 in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • TX1012068
  • HOUSTON
  • TX
  • 6,697 served

System profile

Source water Groundwater
ZIP 77024
EPA system ID TX1012068

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • West Harris County MUD 10 draws water from 2 wells.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2024.
  • Record on file since 1992, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 2,265 service lines.

Check whether West Harris County MUD 10 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 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Apr 1, 2024 Resolved No

Full record since 1992

EPA's records for West Harris County MUD 10 go back to 1992. Before October 19, 2016 they list no health-based violations and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2010 to October 18, 2016 0 2
2020s 1 0

What the violations mean

Total Trihalomethanes (TTHMs)

1 incident

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

West Harris County MUD 10 draws water from 2 wells. It also has emergency connections to West Harris County MUD 11 and West Harris County MUD 9. 2 other public water systems have emergency connections to West Harris County MUD 10.

Emergency or part-time connections to

Annual water quality report

West Harris County MUD 10 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