HARRIS COUNTY WCID 109
Texas - Community Water System - PWSID: TX1010359
System Information
| PWSID | TX1010359 |
| System Name | HARRIS COUNTY WCID 109 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | HOUSTON |
| ZIP Code | 77056-3044 |
| Address | 1300 POST OAK BLVD STE 2400 |
| Organization | CARROLL, WARREN |
| Phone | 713-623-4531 |
Population & Service
| Population Served | 10,134 |
| Service Connections | 3,540 |
Drinking Water Violations (31)
This water system has 31 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | - | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.0002 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.04 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | - | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.5 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.00005 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2023 | - | |
| Jan 1, 2021 | Dec 31, 2023 | MR | No | Yes | - | - | - | Archived | Dec 31, 2023 | - | |
| Dec 30, 2013 | - | MR | No | No | - | TT | - | Resolved | Jun 5, 2014 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Jun 2, 2014 | - | |
| Sep 23, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jul 9, 2011 | - | |
| Sep 23, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jul 9, 2011 | - | |
| Sep 23, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jul 9, 2011 | - | |
| Sep 23, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jul 9, 2011 | - | |
| Jul 1, 1992 | Jun 30, 1993 | MR | No | No | - | TT | - | Resolved | Jun 30, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.