Tap water in Houston, TX — ZIP 77040
7 public water systems serving about 3,000,819 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 77040
City Of Houston
PWSID TX1010013 · serves 2,970,543 ·
surface water
1 health-based / 1 total violations (5 yrs)
· PFAS up to 42.6 ppt
City Of Jersey Village
PWSID TX1010016 · serves 7,792 ·
surface water
1 health-based / 3 total violations (5 yrs)
· PFAS up to 30.9 ppt
Windfern Forest Utility District
PWSID TX1010924 · serves 7,170 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.3 ppt
Fort Bend County Mud 146
PWSID TX0790435 · serves 5,985 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7.1 ppt
Sunbelt Fwsd Woodland Oaks Subdivision
PWSID TX1010758 · serves 4,578 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 3.3 ppt
Harris County Mud 23
PWSID TX1010649 · serves 3,170 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 7.3 ppt
West Harris County Mud 1
PWSID TX1010925 · serves 1,581 ·
groundwater
0 health-based / 1 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