Tap water in Horizon City, TX — ZIP 79928
4 public water systems serving about 138,844 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 79928
Lower Valley Water District
PWSID TX0710154 · serves 59,049 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 5.3 ppt
Paseo Del Este Mud 1
PWSID TX0710186 · serves 36,773 ·
surface water
0 health-based / 5 total violations (5 yrs)
· PFAS up to 3.6 ppt
Horizon Regional Mud
PWSID TX0710005 · serves 31,542 ·
groundwater
0 health-based / 1 total violations (5 yrs)
East Montana Water System
PWSID TX0710178 · serves 11,480 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 6 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology