Tap water in San Antonio, TX — ZIP 78065
4 public water systems serving about 2,688,746 people. PFAS "forever chemicals" have been detected here.
C
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 78065
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
Benton City Wsc
PWSID TX1630034 · serves 32,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Mccoy Wsc
PWSID TX0070023 · serves 9,621 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 119 ppt
City Of Poteet
PWSID TX0070005 · serves 3,396 ·
groundwater
1 health-based / 11 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