Water Quality in San Diego, CA (92070)
EPA violation data for public water systems serving ZIP code 92070.
Active Health Violations
12 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 81% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
607
Population
22
Water Systems
23
Violations (5yr)
12
Health-Based
Location
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Water Systems Serving This Area (22)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
Lake Henshaw Resort Inc.
1 health-basedSanta Ysabel Enterprise System
All resolvedSanta Ysabel Main
5 health-basedWynola Water District
Dudley'S Bakery
Mesa Grande - Black Canyon
1 health-basedCamp Denver Fox
San Felipe Water System
Santa Ysabel Canyon
4 health-basedColeman Creek Village
Mesa Grande (Tract 2)
All resolvedHatfield Creek Egg Ranch Inc.
Spencer Valley School District
1 health-basedBlack Canyon Ranch
Rey River Ranch Corp.
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
San Diego (92070) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 23.
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.