CITY OF WILLIS
PWSID: TX1700003 · Willis, TX · Serves 14,133 people
According to EPA Safe Drinking Water Information System (SDWIS), CITY OF WILLIS (PWSID TX1700003) in Willis, TX is listed as a CWS water system covering about 14,133 people. The same extract lists 3 health-based violation records spanning 2025-2025. Those 3 health-based rows for CITY OF WILLIS cover contaminants such as Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
CITY OF WILLIS has 3 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Revised Total Coliform Rule. Recorded violations span 2025–2025. Day-to-day primacy enforcement for this system runs through the Texas drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Texas state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- TX1700003
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Willis, TX
- Population Served
- 14,133
- Health Violations
- Yes (3)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 3 | 3 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Sep 1, 2025 |
| Revised Total Coliform Rule | Yes | Sep 1, 2025 |
| Revised Total Coliform Rule | Yes | Sep 1, 2025 |
Frequently Asked Questions
What does EPA SDWIS list for CITY OF WILLIS?
How many people does CITY OF WILLIS serve?
What violations does CITY OF WILLIS have?
What contaminants have been found in CITY OF WILLIS water?
Compare beyond Texas
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CITY OF WILLIS on cumulative violation count (3) and EPA-reported population served (14,133). Violation-count peers include Mohegan Tribal Utility Authority, RED CLIFF NORTH, Tesuque Pueblo. Population peers include CHICAGO RIDGE, WALNUT HILL WATER AUTHORITY, PARIS WATER WORKS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
CITY OF WILLIS (TX1700003) is drawn from EPA SDWIS. Nearby county systems in this extract include PORTER SPECIAL UTILITY DISTRICT; MONTGOMERY COUNTY MUD 46; MONTGOMERY COUNTY MUD 47; MONTGOMERY COUNTY MUD 67. Health-based rows (3 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.