Tap water in Houston, TX — ZIP 77015
7 public water systems serving about 3,040,932 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 77015
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
Harris County Fwsd 51
PWSID TX1010238 · serves 19,671 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 7.2 ppt
Harris County Mud 53
PWSID TX1010720 · serves 17,856 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 7.8 ppt
Harris County Mud 285
PWSID TX1012677 · serves 14,268 ·
surface water
0 health-based / 5 total violations (5 yrs)
· PFAS up to 8.2 ppt
Harris County Wcid 36
PWSID TX1010239 · serves 11,073 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.1 ppt — above federal limit
Harris County Fwsd 47
PWSID TX1010260 · serves 4,250 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 6.5 ppt
Harris County Mud 8
PWSID TX1010712 · serves 3,271 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 17.7 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology