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Public water system record

Harris County MUD 186

Serves an area of Harris County, TX · 4,005 people served

Federal records show no health-based violations and no monitoring or reporting issues for Harris County MUD 186 in the last ten years.

  • TX1012214
  • HOUSTON
  • TX
  • 4,005 served

System profile

Source water Purchased surface water
ZIP 77010
EPA system ID TX1012214

Verify this system on EPA ECHO →

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

Key facts

  • Harris County MUD 186 draws water from 2 wells.
  • Record on file since 2010, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 65 unknown out of 859 service lines.

Check whether Harris County MUD 186 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.

None since October 2016, and no monitoring or reporting violations either.

Full record since 2010

EPA's records for Harris County MUD 186 go back to 2010. 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
2010 to October 18, 2016 0 2

Where the water comes from

Harris County MUD 186 draws water from 2 wells. It also buys water from West Harris County Regional Water Author. It also has emergency connections to Harris County MUD 162, Harris County MUD 257, Harris County MUD 149 and Harris County MUD 208. 3 other public water systems have emergency connections to Harris County MUD 186.

Buys water from

Emergency or part-time connections to

Annual water quality report

Harris County MUD 186 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