💧 ZIP Water Report

Tap water in Houston, TX — ZIP 77375

6 public water systems serving about 70,497 people. PFAS "forever chemicals" have been detected here.

A
Excellent
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 77375

Harris Montgomery Counties Mud 386
PWSID TX1013305 · serves 18,018 · groundwater
0 health-based / 0 total violations (5 yrs)
A
City Of Tomball
PWSID TX1010026 · serves 17,532 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Harris County Mud 1
PWSID TX1010539 · serves 12,342 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Harris County Mud 368
PWSID TX1011908 · serves 11,853 · surface water
0 health-based / 0 total violations (5 yrs) · PFAS up to 6.3 ppt
A
Dowdell Pud
PWSID TX1010592 · serves 7,002 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Harris County Mud 401
PWSID TX1013289 · serves 3,750 · groundwater
0 health-based / 2 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology