Local water quality
Water quality in San Antonio, Texas
12 public water systems · PFAS detected · EPA data
The bottom line
EPA records for the water serving San Antonio, Texas show Lead, Copper. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in San Antonio's water
Contaminants EPA has recorded across San Antonio's water systems, and how many certified filters remove each.
Water systems serving San Antonio
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
SAN ANTONIO WATER SYSTEM
2,643,729 people served
1 contaminant · 3 PFAS · report →
JBSA SAM HOUSTON
37,563 people served
2 contaminants · report →
JBSA RANDOLPH
10,949 people served
2 contaminants · report →
CITY OF ALAMO HEIGHTS
7,357 people served
1 contaminant · report →
BROOKS AIR FORCE BASE
4,048 people served
1 contaminant · report →
SOUTHWEST TEXAS METHODIST HOSPITAL
3,005 people served
2 contaminants · report →
PIONEER ESTATES
320 people served
2 contaminants · report →
SAINT ANTHONY CATHOLIC HIGH SCHOOL
250 people served
2 contaminants · report →
SRALLA MOBILE HOME PARK
165 people served
2 contaminants · report →
CORDI MARIAN VILLA
48 people served
2 contaminants · report →
OLIVER RANCH
0 people served
2 contaminants · report →
SAWS CASTLE HILLS
1 contaminant · 2 PFAS · report →
Filter your San Antonio water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.