Tap water in Mount Vernon, TX — ZIP 75457
2 public water systems serving about 31,339 people. PFAS "forever chemicals" have been detected here.
B
Good
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 75457
Tri Sud
PWSID TX2250004 · serves 17,641 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.6 ppt
Cypress Springs Sud N Plant 1 & Ne Plant
PWSID TX0800003 · serves 13,698 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 4.5 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology