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.
ZIP Code 78738 Water Quality
Louisiana · 44,103 people served · 9 water systems
F
FailingZIP code 78738 is in Louisiana and is a small city from a drinking-water-service perspective, with 44,103 people served by 9 EPA-registered public water systems. It overlaps with 2 communities including AUSTIN, THE HILLS.
Within ZIP code 78738, the EPA Safe Drinking Water Information System (SDWIS) records 31 health-based violations during the past five years across 9 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
ZIP Code Location
Loading map...
Cities in ZIP 78738
Water Systems Serving 78738
SHADY OAKS MOBILE HOME PARK WATER SYSTEM
PWSID: LA1005114
192 served
YOUNGS COMMUNITY LLC. WATER SYSTEM
PWSID: LA1055123
144 served
CANE VIEW MOBILE HOME VILLAGE
PWSID: LA1097031
108 served
SENNA HILLS MUD
PWSID: TX2270316
1,215 served
REUNION RANCH WCID
PWSID: TX1050175
1,326 served
HIGHWAY 71 STORAGE & MHP
PWSID: TX2270186
57 served
SOUTH BUDA WCID 1
PWSID: TX1050154
2,517 served
WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY
PWSID: TX2270235
35,664 served
HURST CREEK MUD
PWSID: TX2270172
2,880 served
About ZIP-code water data
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.
From the Blog
Photo by Bluewater Sweden on Unsplash
Mar 22, 2026 · 6 min read
How to Read Your Annual Water Quality Report (CCR)
Your water utility is legally required to send you a Consumer Confidence Report every year. Here's how to actually understand it.
Photo by Louis Hansel on Unsplash
Mar 5, 2026 · 9 min read
Lead in Tap Water: The Complete 2026 Guide
Lead enters drinking water through old pipes and fixtures. Here's how to identify your risk and what to do about it.
Photo by Eduardo Casajús Gorostiaga on Unsplash
Feb 18, 2026 · 5 min read
What Is an EPA Maximum Contaminant Level (MCL)?
MCLs are the foundation of US drinking water safety. Here's how they're set and what they mean for your tap.
Photo by Naja Bertolt Jensen on Unsplash
