Tap water in San Antonio, TX — ZIP 78233

2 public water systems serving about 2,652,453 people. PFAS "forever chemicals" have been detected here.

Excellent

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 78233

San Antonio Water System

PWSID TX0150018 · serves 2,643,729 · surface water

0 health-based / 0 total violations (5 yrs) · PFAS up to 9.2 ppt

City Of Live Oak

PWSID TX0150068 · serves 8,724 · 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