Tap water in Houston, TX — ZIP 77044
7 public water systems serving about 3,001,401 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 77044
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
Greenwood Utility District
PWSID TX1010554 · serves 10,527 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.5 ppt
Parkway Ud
PWSID TX1010750 · serves 7,323 ·
groundwater
0 health-based / 2 total violations (5 yrs)
· PFAS up to 7.6 ppt
Harris County Mud 342
PWSID TX1012973 · serves 4,035 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Harris County Mud 361
PWSID TX1013123 · serves 3,705 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 14.6 ppt
Harris County Mud 412
PWSID TX1013354 · serves 3,480 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7.7 ppt
Northeast Harris County Mud 1 Sheldon Ri
PWSID TX1013448 · serves 1,788 ·
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