NORTH COLLIN SUD
Texas - Community Water System - PWSID: TX0430055
System Information
| PWSID | TX0430055 |
| System Name | NORTH COLLIN SUD |
| 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 | MELISSA |
| ZIP Code | 75454-0343 |
| Address | PO BOX 343 |
| Organization | MONSON, DUKE |
| Phone | 972-837-2331 |
Population & Service
| Population Served | 10,674 |
| Service Connections | 3,558 |
Drinking Water Violations (36)
This water system has 36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 21, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| May 24, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 8, 2025 | - | |
| May 24, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 8, 2025 | - | |
| May 24, 2025 | - | TT | Yes | No | - | - | - | Resolved | Oct 8, 2025 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 20, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 20, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 20, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Sep 20, 2017 | - | |
| Jul 8, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 5, 2018 | - | |
| Jul 8, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 5, 2018 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Oct 20, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Oct 20, 2015 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Dec 30, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 28, 2021 | - | |
| Dec 30, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 28, 2021 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2010 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | - | 4.0 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Sep 24, 2008 | - | Other | No | No | - | - | - | Resolved | Jan 31, 2008 | - | |
| Jan 1, 2008 | Jan 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2008 | - | |
| Jan 1, 2008 | Jan 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2008 | - | |
| Jan 1, 2008 | Jan 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2008 | - | |
| Jul 1, 1992 | Jun 30, 1993 | MR | No | No | - | TT | - | Resolved | Jun 30, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.