💧 ZIP Water Report

Tap water in Calvert, TX — ZIP 77837

1 public water system serving about 962 people.

B
Good

Water systems serving 77837

City Of Calvert
PWSID TX1980002 · serves 962 · groundwater
0 health-based / 8 total violations (5 yrs)
B

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology