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 92036 Water Quality
California · 7,856 people served · 10 water systems
D
PoorZIP code 92036 is in California and is a small town from a drinking-water-service perspective, with 7,856 people served by 10 EPA-registered public water systems. It corresponds to JULIAN.
Within ZIP code 92036, the EPA Safe Drinking Water Information System (SDWIS) records 8 health-based violations during the past five years across 10 water systems serving this postal area. The grade of D 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 92036
Water Systems Serving 92036
YMCA CAMP MARSTON/RAINTREE
PWSID: CA3700912
338 served
NORTH PEAK MUTUAL WATER COMPANY
PWSID: CA3701747
298 served
RICHARDSON BEARDSLEY PARK INC.
PWSID: CA3701780
28 served
JULIAN COMMUNITY SERVICES DISTRICT
PWSID: CA3700909
1,517 served
CUYAMACA WATER DISTRICT
PWSID: CA3700074
2,923 served
MAJESTIC PINES COMMUNITY SD
PWSID: CA3710041
1,768 served
LA CIMA FIRE CENTER
PWSID: CA3710802
60 served
H & J WATER COMPANY
PWSID: CA3700073
86 served
CAMP STEVENS
PWSID: CA3700906
78 served
PINE HILLS MUTUAL WATER COMPANY
PWSID: CA3700905
760 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
