Tap water in Willis, TX — ZIP 77378
2 public water systems serving about 15,064 people.
F
Failing
Water systems serving 77378
City Of Willis
PWSID TX1700003 · serves 14,133 ·
groundwater
2 health-based / 8 total violations (5 yrs)
Texas National Mud
PWSID TX1700207 · serves 931 ·
groundwater
1 health-based / 3 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology