Tap water in Weslaco, TX — ZIP 78596
2 public water systems serving about 211,228 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 78596
North Alamo Wsc
PWSID TX1080029 · serves 171,195 ·
surface water
2 health-based / 5 total violations (5 yrs)
· PFAS up to 12.2 ppt
City Of Weslaco
PWSID TX1080011 · serves 40,033 ·
surface water
1 health-based / 8 total violations (5 yrs)
· PFAS up to 8.6 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology