Apr 15, 2026 · 7 min read
PFAS "Forever Chemicals" in US Drinking Water: 2026 Update
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
Texas · 236,397 people served · 371 water systems
ZIP code 78723 is in Texas and is a mid-sized community from a drinking-water-service perspective, with 236,397 people served by 371 EPA-registered public water systems. It corresponds to AUSTIN.
Within ZIP code 78723, the EPA Safe Drinking Water Information System (SDWIS) records 127 health-based violations during the past five years across 371 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
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HERITAGE OAKS ADDITION
PWSID: TX2200090
93 served
BLUE MOUND ESTATES
PWSID: TX2200100
111 served
SOUTHWOOD ADDITION
PWSID: TX2200108
234 served
CARRIAGE TRAIL SUBDIVISION
PWSID: TX0360093
96 served
PLANTATION ON COTTON BAYOU
PWSID: TX0360096
1,557 served
HACKBERRY CREEK SUBDIVISION
PWSID: TX0360100
176 served
WOODLAND HILLS
PWSID: TX0610084
114 served
SAN GABRIEL RIVER RANCHES
PWSID: TX2460046
891 served
TRES PALACIOS OAKS SUBDIVISION
PWSID: TX1610017
774 served
OAK HOLLOW SUBDIVISION
PWSID: TX1610031
78 served
TIDEWATER OAKS SUBDIVISION
PWSID: TX1610033
189 served
FOREST ACRES GARDENS
PWSID: TX2200186
420 served
LUNAR LANE WATER SYSTEM
PWSID: TX2200208
690 served
SILVER CREEK ESTATES
PWSID: TX2200277
171 served
RANCH OAKS SUBDIVISION
PWSID: TX2200291
561 served
AVONDALE HEIGHTS
PWSID: TX2200184
423 served
COTTONWOOD HILLS ESTATES
PWSID: TX2200045
303 served
LINKWOOD ESTATES SUBDIVISION
PWSID: TX2200061
426 served
EAGLE CREEK RANCH
PWSID: TX2470022
2,409 served
SOUTH SAN GABRIEL RANCHES
PWSID: TX2460026
510 served
RIVERCREST WATER
PWSID: TX1550089
378 served
SMITH WATER
PWSID: TX1550091
111 served
TUBBS WATER SYSTEM
PWSID: TX1550125
57 served
GOODALL WATER SYSTEM
PWSID: TX1550126
168 served
NORTH BOSQUE ESTATES WATER SUPPLY
PWSID: TX1550129
330 served
BEHRINGER WATER SYSTEM
PWSID: TX1550130
72 served
PYSSENS LIVE OAK ESTATES SUBDIVISION
PWSID: TX2410010
165 served
LAKE VISTA UTILITY
PWSID: TX1490017
834 served
PECAN UTILITIES OAK RIDGE SUBDIVISION
PWSID: TX1500043
588 served
GREENFIELDS ON SQUAW CREEK
PWSID: TX2130036
78 served
CINNAMON RIDGE
PWSID: TX0610209
501 served
DOVE HOLLOW WATER SYSTEM
PWSID: TX0610210
246 served
WILLOW WOOD ADDITION MEADOW VISTA
PWSID: TX0610212
375 served
SPANISH OAKS ADDITION
PWSID: TX0610214
111 served
SPRING HILL ESTATES
PWSID: TX0610218
237 served
OLD STONY ESTATES
PWSID: TX0610224
54 served
PONDEROSA RANCH
PWSID: TX0610233
456 served
RADECKE ROAD WATER SYSTEM
PWSID: TX0610234
42 served
QUINLAN NORTH SUBDIVISION
PWSID: TX1160063
228 served
RIVERWOOD FOREST
PWSID: TX0790405
816 served
BERRY HILL ESTATES
PWSID: TX1011860
144 served
ROLLING OAKS
PWSID: TX1011861
291 served
TASFIELD
PWSID: TX1011865
222 served
MOUNTAIN LAKES ADDITION
PWSID: TX0720037
1,347 served
WOODLANDS OF PARKER COUNTY & OLD BANK
PWSID: TX1840138
234 served
LAIRD ESTATES
PWSID: TX1700015
60 served
ENCHANTED FOREST
PWSID: TX1700040
69 served
LAKE CONROE WEST
PWSID: TX1700041
180 served
PINEY POINT SUBDIVISION
PWSID: TX1700061
252 served
PINE VISTA MOBILE HOME VILLAGE
PWSID: TX1700078
246 served
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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