Water Quality in San Diego, CA (91935)
EPA violation data for public water systems serving ZIP code 91935.
Active Health Violations
7 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 68% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
9,114
Population
13
Water Systems
11
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (13)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
Indian Hills Camp
6 health-basedMhc Tt Inc. (Dba Pio Pico)
Thousand Trails Oakzanita Inc.
Circle J Ranch
Sunrise Estates Mutual Water Company
Diamond Jack'S Rv Ranch
1 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2024
How Does This Compare?
San Diego (91935) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 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.