Tap water in Houston, TX — ZIP 77459
9 public water systems serving about 60,254 people. PFAS "forever chemicals" have been detected here.
B
Good
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 77459
Quail Valley Utility District
PWSID TX0790028 · serves 14,409 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Sienna Mud 10
PWSID TX0790452 · serves 7,824 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 194 ppt
First Colony Mud 9
PWSID TX0790230 · serves 7,818 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Sienna Mud 3
PWSID TX0790376 · serves 7,365 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 130 ppt
Fort Bend County Mud 26 Quail Green West
PWSID TX0790137 · serves 5,424 ·
groundwater
0 health-based / 0 total violations (5 yrs)
City Of Missouri City
PWSID TX0790345 · serves 4,847 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 38 ppt
Fort Bend County Mud 42 Wat Plat
PWSID TX0790254 · serves 4,395 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Thunderbird Utility District 1
PWSID TX0790033 · serves 4,203 ·
groundwater
0 health-based / 16 total violations (5 yrs)
Fort Bend County Mud 48
PWSID TX0790267 · serves 3,969 ·
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