Tap water in Houston, TX — ZIP 77047
3 public water systems serving about 3,105,404 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 77047
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
City Of Pearland
PWSID TX0200008 · serves 125,828 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 66.7 ppt — above federal limit
Harris County Wcid 89
PWSID TX1012370 · serves 9,033 ·
surface water
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