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 95453 Water Quality
California · 17,195 people served · 8 water systems
B
GoodZIP code 95453 is in California and is a small city from a drinking-water-service perspective, with 17,195 people served by 8 EPA-registered public water systems. It corresponds to LAKEPORT.
Within ZIP code 95453, the EPA Safe Drinking Water Information System (SDWIS) records 1 health-based violation during the past five years across 8 water systems serving this postal area. The grade of B 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 95453
Water Systems Serving 95453
LAKE COUNTY CSA 13 - KONO TAYEE
PWSID: CA1700554
449 served
KELSEYVILLE CO WATERWORKS DISTRICT 3
PWSID: CA1710007
4,102 served
LAKE COUNTY CSA 2 - SPRING VALLEY
PWSID: CA1710018
1,531 served
LAKE COUNTY CSA 21 - NORTH LAKEPORT
PWSID: CA1710021
4,046 served
LAKE COUNTY CSA 20 - SODA BAY
PWSID: CA1710022
2,003 served
LAKEPORT, CITY OF
PWSID: CA1710004
4,762 served
CORINTHIAN BAY MUTUAL WATER COMPANY
PWSID: CA1700549
150 served
PIER 1900 HOMEOWNER'S ASSOCIATION
PWSID: CA1700630
152 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
