CITY OF MCKINNEY
Texas — Community Water System — PWSID: TX0430039
System Information
| PWSID | TX0430039 |
| System Name | CITY OF MCKINNEY |
| 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 | MCKINNEY |
| ZIP Code | 75070-8013 |
| Address | PO BOX 517 |
| Organization | COX, BILL |
| Phone | 972-547-7507 |
Population & Service
| Population Served | 224,043 |
| Service Connections | 77,058 |
Drinking Water Violations (12)
This water system has 12 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 | — | MR | No | No | — | TT | — | Resolved | Aug 6, 2021 | — | |
| Jan 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Aug 6, 2021 | — | |
| Jan 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Aug 6, 2021 | — | |
| Jan 1, 2021 | — | MR | No | No | — | TT | — | Resolved | Aug 6, 2021 | — | |
| Jul 1, 2020 | Dec 31, 2020 | MR | No | No | — | TT | — | Resolved | Dec 31, 2020 | — | |
| Jul 1, 2020 | Dec 31, 2020 | MR | No | No | — | TT | — | Resolved | Dec 31, 2020 | — | |
| Jul 1, 2020 | Dec 31, 2020 | MR | No | No | — | TT | — | Resolved | Dec 31, 2020 | — | |
| Jul 1, 2020 | Dec 31, 2020 | MR | No | No | — | TT | — | Resolved | Dec 31, 2020 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2014 | — |
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.