Tap water in Houston, TX — ZIP 77055

2 public water systems serving about 2,974,772 people. PFAS "forever chemicals" have been detected here.

Fair

PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 77055

City Of Houston

PWSID TX1010013 · serves 2,970,543 · surface water

1 health-based / 1 total violations (5 yrs) · PFAS up to 42.6 ppt

City Of Spring Valley Village

PWSID TX1010214 · serves 4,229 · groundwater

0 health-based / 0 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