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 93527 Water Quality
California · 1,608 people served · 10 water systems
C
FairZIP code 93527 is in California and is a rural community from a drinking-water-service perspective, with 1,608 people served by 10 EPA-registered public water systems. It corresponds to INYOKERN.
Within ZIP code 93527, the EPA Safe Drinking Water Information System (SDWIS) records 3 health-based violations during the past five years across 10 water systems serving this postal area. The grade of C 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 93527
Water Systems Serving 93527
SIERRA BREEZE MUTUAL WATER COMPANY
PWSID: CA1500447
150 served
SOUTH DESERT MUTUAL WATER COMPANY
PWSID: CA1502619
28 served
CHINA LAKE ACRES MUTUAL WATER COMPANY
PWSID: CA1500563
198 served
EAST INYOKERN MUTUAL WATER
PWSID: CA1500554
87 served
LIFE WATER CO-OP
PWSID: CA1500579
35 served
SWEET WATER CO-OP
PWSID: CA1500591
47 served
OWENS PEAK WEST
PWSID: CA1502608
79 served
WEST VALLEY MUTUAL WATER COMPANY
PWSID: CA1500550
70 served
INYOKERN CSD
PWSID: CA1510036
878 served
148 EAST WATER SYSTEM
PWSID: CA1503684
36 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
