Tap water in Mission, TX — ZIP 78539
2 public water systems serving about 153,786 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 78539
City Of Edinburg
PWSID TX1080004 · serves 85,224 ·
surface water
1 health-based / 5 total violations (5 yrs)
· PFAS up to 6 ppt — above federal limit
Sharyland Wsc
PWSID TX1080033 · serves 68,562 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 12.5 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