Dallas, TX water quality
Dallas, TX is served by 8 public water systems, serving 1,573,000 people combined. Across those systems, we count 1 health-based violation in the last 5 years. The worst Tap Grade among them is C.
Water systems serving Dallas
DALLAS WATER UTILITY
DALLAS, TX · 1,356,479 served
DALLAS FORT WORTH INTERNATIONAL AIRPORT
DALLAS, TX · 177,673 served
CITY OF UNIVERSITY PARK
DALLAS, TX · 25,617 served
TOWN OF HIGHLAND PARK
DALLAS, TX · 8,959 served
CITY OF COCKRELL HILL
DALLAS, TX · 3,855 served
D BAR B MOBILE HOME RANCH
DALLAS, TX · 267 served
DALLAS COUNTY MUD 4
DALLAS, TX · 150 served
DALLAS COUNTY PARK CITIES MUD
DALLAS, TX · 0 served
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Is Dallas, TX tap water safe to drink?
8 public water systems serve Dallas, TX, with 1 health-based violation in the last 5 years across them. The worst Tap Grade among them is C.
Does Dallas's water have lead in it?
The most recent 90th-percentile lead sample is 3.4 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in Dallas's water?
Yes — at least one water system serving Dallas has detected PFAS under UCMR5.
Other cities in Texas
See all of Texas →Source: EPA SDWIS/ECHO · Data as of 2026Q2