Tap water in Houston, TX — ZIP 77388
8 public water systems serving about 92,786 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 77388
Manville Wsc
PWSID TX2270033 · serves 39,648 ·
surface water
4 health-based / 9 total violations (5 yrs)
· PFAS up to 24.3 ppt — above federal limit
Bridgestone Mud
PWSID TX1011550 · serves 24,528 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 3 ppt
Harris County Wcid 110
PWSID TX1010482 · serves 9,807 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 8 ppt
Harris County Mud 104
PWSID TX1011534 · serves 4,854 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.1 ppt
Cypresswood Utility District
PWSID TX1010432 · serves 4,305 ·
surface water
1 health-based / 1 total violations (5 yrs)
· PFAS up to 9.1 ppt
Klein Pud
PWSID TX1011143 · serves 3,504 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.3 ppt
Harris County Wcid 132
PWSID TX1010413 · serves 3,501 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 9.2 ppt
Spring West Mud
PWSID TX1013017 · serves 2,639 ·
groundwater
0 health-based / 0 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