Public water system record

West Harris County MUD 9

Serves an area of Harris County, TX · 5,961 people served

Federal records show 4 health-based violations and no monitoring/reporting issues for West Harris County MUD 9 in the last ten years. The most serious issue in this window was a resolved Gross Alpha, Excl. Radon and U violation.

  • TX1011798
  • HOUSTON
  • TX
  • 5,961 served

System profile

Source water Groundwater
ZIP 77057
EPA system ID TX1011798

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
4
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • West Harris County MUD 9 draws water from 1 well.
  • Highest measured level in the last 10 years: Gross Alpha, Excl. Radon and U, 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit), 2019.
  • Most recent formal enforcement: compliance order (no penalty) by Texas, August 2020.
  • Record on file since 2010, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,091 service lines.

Check whether West Harris County MUD 9 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 Apr 1, 2019 Resolved No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
340 Jan 1, 2019 Resolved No
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Measured 18 pCi/L, federal limit 15 pCi/L (1.2 times the limit)
340 Oct 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 Jul 1, 2018 Resolved No

Full record since 2010

EPA's records for West Harris County MUD 9 go back to 2010. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 0 3
October 19, 2016 to 2019 4 0

Enforcement actions

Texas regulators took 1 formal enforcement action against West Harris County MUD 9 in 2020. The most recent was a compliance order (no penalty) in August 2020.

Date By Action Violations covered
Aug 27, 2020 Texas Compliance order (no penalty) 4 violations (4 health-based): Gross Alpha, Excl. Radon and U

What the violations mean

Gross Alpha, Excl. Radon and U

4 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

West Harris County MUD 9 draws water from 1 well. It also has emergency connections to Harris County MUD 168 and West Harris County MUD 10. 2 other public water systems have emergency connections to West Harris County MUD 9.

Emergency or part-time connections to

Annual water quality report

West Harris County MUD 9 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.