Tap water in Houston, TX — ZIP 77064
9 public water systems serving about 3,028,468 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 77064
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 Houston Willow Chase
PWSID TX1011902 · serves 14,169 ·
groundwater
0 health-based / 0 total violations (5 yrs)
West Harris County Mud 11
PWSID TX1012858 · serves 8,205 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Emerald Forest Utility District
PWSID TX1010541 · serves 7,326 ·
groundwater
0 health-based / 2 total violations (5 yrs)
· PFAS up to 4 ppt
Reid Road Mud 1
PWSID TX1010872 · serves 6,969 ·
groundwater
0 health-based / 1 total violations (5 yrs)
West Harris County Mud 10
PWSID TX1012068 · serves 6,697 ·
groundwater
1 health-based / 1 total violations (5 yrs)
West Harris County Mud 9
PWSID TX1011798 · serves 5,961 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Reid Road Mud 2
PWSID TX1011928 · serves 4,662 ·
groundwater
0 health-based / 1 total violations (5 yrs)
Harris County Mud 6 Carriage Lane
PWSID TX1010496 · serves 3,936 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 10.5 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology