Water Quality in San Diego, CA (92123)
EPA violation data for public water systems serving ZIP code 92123.
Past Health-Based Violations
8 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 8 monitoring/reporting violations.
More violations than 73% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
33,041
Population
37
Water Systems
16
Violations (5yr)
8
Health-Based
Location
Loading map...
Water Systems Serving This Area (37)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
In Shape Health Club - West Lane
Alberts Restaurant
Stockton Ballroom
Golfland Water System
Alberg Water System
William Heise County Park
All resolvedAgua Caliente County Park
Lake Morena County Park
Santa Ysabel Nature Center
Louis A. Stelzer County Park
All resolvedStockton Inn - Inactive
Camp Westfork
Jess Martin County Park
All resolvedVallecito County Park
All resolvedPotrero County Park
8 health-basedJack In The Box #5328
El Monte County Park
Morada Shopping Center
Arco Station #595*
Giovannis Pizza
Santa Margarita County Preserve
All resolvedSycamore Canyon / Goodan Ranch
Stockton Livestock Auction
Maraglianos Inn
Chinchiolo, Robert
Franklyn Cole Properties
Pilkington North America Inc Plant 10
Connell Motor Truck Co Pws
Oakoasis Open Space Preserve
All resolvedSan Diego County Water Authority
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2022
How Does This Compare?
San Diego (92123) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 16.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.