Tap water in Houston, TX — ZIP 77086
4 public water systems serving about 2,997,282 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 77086
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
Northwest Park Mud
PWSID TX1010593 · serves 18,168 ·
groundwater
0 health-based / 1 total violations (5 yrs)
Harris County Wcid 133
PWSID TX1010210 · serves 5,082 ·
groundwater
0 health-based / 1 total violations (5 yrs)
Harris County Ud 15
PWSID TX1011778 · serves 3,489 ·
groundwater
0 health-based / 1 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