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 78654 Water Quality
Texas · 20,670 people served · 13 water systems
F
FailingZIP code 78654 is in Texas and is a small city from a drinking-water-service perspective, with 20,670 people served by 13 EPA-registered public water systems. It overlaps with 4 communities including MARBLE FALLS, MEADOWLAKES, GRANITE SHOALS, HIGHLAND HAVEN.
Within ZIP code 78654, the EPA Safe Drinking Water Information System (SDWIS) records 53 health-based violations during the past five years across 13 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 78654
Water Systems Serving 78654
HIGH SIERRA WATER SYSTEM
PWSID: TX0270113
213 served
SKYLINE TERRACE SUBDIVISION
PWSID: TX0270017
153 served
SPICEWOOD ESTATES
PWSID: TX0270118
372 served
SUNSET HILLS SUBDIVISION
PWSID: TX0270043
324 served
BERTRAM WOODS SUBDIVISION
PWSID: TX0270114
54 served
CITY OF MEADOWLAKES
PWSID: TX0270036
2,480 served
CAPSTONE SUBDIVISION
PWSID: TX0270131
81 served
CITY OF GRANITE SHOALS
PWSID: TX0270049
6,795 served
CITY OF GRANITE SHOALS SHERWOOD III
PWSID: TX0270022
675 served
DOUBLE HORN CREEK WSC
PWSID: TX0270120
448 served
CITY OF HIGHLAND HAVEN WATER SYSTEM
PWSID: TX0270099
734 served
WILDERNESS COVE
PWSID: TX0270126
282 served
CITY OF MARBLE FALLS
PWSID: TX0270026
8,059 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
