CITY OF WILLIS
Texas — Community Water System — PWSID: TX1700003
System Information
| PWSID | TX1700003 |
| System Name | CITY OF WILLIS |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Jan 6, 2026 |
Location & Contact
| State | Texas |
| City | WILLIS |
| ZIP Code | 77378-9072 |
| Address | 200 BELL ST |
| Organization | BROWN, WILLIAM |
| Phone | 936-856-4611 |
Population & Service
| Population Served | 9,867 |
| Service Connections | 3,289 |
Drinking Water Violations (16)
This water system has 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Archived | Sep 30, 2025 | Revised Total Coliform Rule |
| Sep 1, 2025 | Sep 30, 2025 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Archived | Sep 30, 2025 | Revised Total Coliform Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Jun 28, 2024 | — | E. COLI | MR | No | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Jun 28, 2024 | — | E. COLI | MR | No | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Jun 28, 2024 | — | E. COLI | MR | No | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Jun 28, 2024 | — | E. COLI | MR | No | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Jan 1, 2021 | Dec 31, 2023 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 2023 | Inorganic Chemicals |
| Jan 1, 2021 | Dec 31, 2023 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Archived | Dec 31, 2023 | Inorganic Chemicals |
| Dec 1, 1993 | Dec 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1993 | Total Coliform Rule |
| Sep 1, 1993 | Sep 30, 1993 | Coliform (TCR) | Other | No | No | — | 5% of samples | — | Archived | Sep 30, 1993 | Total Coliform Rule |
| — | — | — | 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.