Tap water in Houston, TX — ZIP 77498
8 public water systems serving about 3,107,794 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 77498
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 Sugar Land
PWSID TX0790005 · serves 80,381 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 672 ppt — above federal limit
Fort Bend County Mud 30
PWSID TX0790146 · serves 16,794 ·
surface water
0 health-based / 4 total violations (5 yrs)
· PFAS up to 7.1 ppt
Fort Bend County Mud 25
PWSID TX0790130 · serves 15,327 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Kingsbridge Mud
PWSID TX0790158 · serves 8,663 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 7.8 ppt
Fort Bend County Mud 2
PWSID TX0790038 · serves 6,819 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7.5 ppt
Fort Bend County Mud 119
PWSID TX0790382 · serves 5,088 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 3 ppt
Fort Bend County Mud 41
PWSID TX0790229 · serves 4,179 ·
surface water
0 health-based / 48 total violations (5 yrs)
· PFAS up to 62.7 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