Tap Truth EPA drinking water records, in plain English

Public water system record

Harris County WCID 109

Serves an area of Harris County, TX · 10,134 people served

Federal records show no health-based violations and 14 monitoring/reporting issues for Harris County WCID 109 in the last ten years.

  • TX1010359
  • HOUSTON
  • TX
  • 10,134 served

System profile

Source water Purchased surface water
ZIP 77056
EPA system ID TX1010359

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
14

Key facts

  • Harris County WCID 109 draws water from 3 wells.
  • Record on file since 1992, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 1,226 service lines.

Check whether Harris County WCID 109 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.

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
CYANIDE
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Fluoride
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
ETHYLENE DIBROMIDE
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4,5-TP
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4-D
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dinoseb
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Picloram
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dalapon
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbofuran
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb sulfone
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Aldicarb sulfoxide
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
OXAMYL
Monitoring and reporting
 Jan 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.

Full record since 1992

EPA's records for Harris County WCID 109 go back to 1992. Before October 19, 2016 they list no health-based violations and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2010 to October 18, 2016 0 5
2020s 0 14

Where the water comes from

Harris County WCID 109 draws water from 3 wells. It also buys water from North Harris County Regional Water Autho. It also has an emergency connection to Fountainhead MUD. 1 other community water system buys water from Harris County WCID 109.

Buys water from

Emergency or part-time connections to

Community systems that buy water from it

Annual water quality report

Harris County WCID 109 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.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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