Tap water in Houston, TX — ZIP 77084
14 public water systems serving about 3,071,124 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 77084
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
Northampton Mud
PWSID TX1010337 · serves 12,162 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Harris County Ud 6
PWSID TX1010501 · serves 11,262 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.1 ppt
Harris County Mud 102
PWSID TX1010503 · serves 10,401 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.2 ppt
Langham Creek Utility District
PWSID TX1011249 · serves 10,377 ·
surface water
0 health-based / 5 total violations (5 yrs)
· PFAS up to 9.1 ppt
Barker Cypress Mud
PWSID TX1011613 · serves 8,976 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.8 ppt
Jackrabbit Road Pud
PWSID TX1010538 · serves 8,346 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 8.1 ppt
Addicks Utility District
PWSID TX1011019 · serves 8,076 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7.4 ppt
Harris County Mud 238
PWSID TX1012361 · serves 7,773 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 8.3 ppt
Spencer Road Pud
PWSID TX1010654 · serves 5,607 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 27.2 ppt — above federal limit
Harris County Mud 276
PWSID TX1012942 · serves 5,094 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7 ppt
Harris County Mud 185
PWSID TX1011914 · serves 4,617 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 13.1 ppt
Harris County Mud 183
PWSID TX1011824 · serves 3,981 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.6 ppt
Westlake Mud 1
PWSID TX1010635 · serves 3,909 ·
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