Tap Truth EPA drinking water records, in plain English

Public water system record

Southwest Harris County MUD 1

Serves an area of Harris County, TX · 1,581 people served

Federal records show 3 health-based violations and 5 monitoring/reporting issues for Southwest Harris County MUD 1 in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.

  • TX1011911
  • HOUSTON
  • TX
  • 1,581 served

System profile

Source water Purchased surface water
ZIP 77019
EPA system ID TX1011911

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Southwest Harris County MUD 1 buys its water from Harris County WCID Fondren Road.
  • Record on file since 2006, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 534 service lines.

Check whether Southwest Harris County MUD 1 serves your address

Address suggestions by Mapbox

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
Lead and Copper Rule
Treatment technique failure
 350 Apr 1, 2022 Resolved No
Lead and Copper Rule
Treatment technique failure
 350 Mar 31, 2022 Resolved No
Lead and Copper Rule
Treatment technique failure
 350 Dec 1, 2021 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
 Oct 26, 2025 Active
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2024 Resolved
Public Notice
OTHER
 Jun 11, 2022 Resolved
Public Notice
OTHER
 Jun 11, 2022 Resolved
Public Notice
OTHER
 Jan 21, 2022 Resolved

Full record since 2006

EPA's records for Southwest Harris County MUD 1 go back to 2006. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
2000s 0 1
2020s 3 5

What the violations mean

Lead and Copper Rule

3 incidents

The system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).

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

Where the water comes from

Southwest Harris County MUD 1 buys its water from Harris County WCID Fondren Road. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Southwest Harris County MUD 1 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