Tap water in Houston, TX — ZIP 77073
6 public water systems serving about 3,003,441 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 77073
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 Mud 154
PWSID TX1011642 · serves 8,289 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Harris County Mud 96
PWSID TX1013343 · serves 6,993 ·
surface water
0 health-based / 0 total violations (5 yrs)
North Park Pud
PWSID TX1010745 · serves 6,708 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Harris County Ud 16
PWSID TX1013156 · serves 6,069 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Harris County Mud 221
PWSID TX1012972 · serves 4,839 ·
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