THOMPSON HEIGHTS WATER SYSTEM
Texas - Community Water System - PWSID: TX0910085
System Information
| PWSID | TX0910085 |
| System Name | THOMPSON HEIGHTS WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | DENISON |
| ZIP Code | 75021-0378 |
| Address | PO BOX 378 |
| Organization | MUNSON, JOHN |
| Phone | 903-463-2300 |
Population & Service
| Population Served | 414 |
| Service Connections | 138 |
Drinking Water Violations (122)
This water system has 122 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jul 2, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Jul 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Jul 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Jul 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Jul 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2020 | - | |
| Jan 9, 2020 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2020 | - | |
| Jan 9, 2020 | - | Other | No | No | - | - | - | Resolved | Dec 4, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Mar 10, 2021 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | May 21, 2015 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | May 21, 2015 | - | |
| Jan 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jan 4, 2014 | - | |
| Jan 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jan 4, 2014 | - | |
| Nov 1, 2013 | - | Other | No | No | - | - | - | Resolved | Mar 6, 2014 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2013 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2010 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2010 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .088 MG/L | 0.080 mg/L | - | Resolved | Dec 31, 2009 | - |
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.