Tap water in Houston, TX — ZIP 77406
8 public water systems serving about 62,045 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 77406
Pecan Grove Mud
PWSID TX0790132 · serves 14,913 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 92.3 ppt
Fort Bend County Mud 142
PWSID TX0790429 · serves 11,595 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.1 ppt — above federal limit
Fort Bend County Mud 133
PWSID TX0790444 · serves 7,362 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.9 ppt — above federal limit
Fort Bend County Mud 143 Water View Esta
PWSID TX0790472 · serves 7,245 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5 ppt
Fort Bend County Mud 50
PWSID TX0790277 · serves 6,234 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 8.6 ppt
Fort Bend County Mud 146
PWSID TX0790435 · serves 5,985 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7.1 ppt
Fort Bend County Mud 118
PWSID TX0790366 · serves 5,346 ·
surface water
0 health-based / 2 total violations (5 yrs)
· PFAS up to 7.8 ppt
Tdcj Jester Unit 3
PWSID TX0790085 · serves 3,365 ·
groundwater
1 health-based / 9 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