Public water system record

Harris County MUD 423

Serves Atascocita, Harris County, TX · 4,044 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for Harris County MUD 423 in the last ten years.

  • TX1013691
  • HOUSTON
  • TX
  • 4,044 served

System profile

Source water Purchased surface water
ZIP 77027
EPA system ID TX1013691

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
3

Key facts

  • Harris County MUD 423 buys its water from Harris County MUD 400 - East.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,275 service lines.

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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.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Public Notice
OTHER
Jun 9, 2023 Resolved
Nitrate
Monitoring and reporting
Apr 1, 2022 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2022 Resolved

Where the water comes from

Harris County MUD 423 buys its water from Harris County MUD 400 - East. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Harris County MUD 423 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.