Water Quality in San Diego, CA (92004)
EPA violation data for public water systems serving ZIP code 92004.
Active Health Violations
2 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.
3,007
Population
41
Water Systems
11
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (41)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
El Centro, City Of
Calexico, City Of
1 health-basedBrawley, City Of
All resolvedImperial, City Of
1 health-basedBorrego Wd
All resolvedAnza Borrego Sp - Palm Canyon
Borrego Springs
Cuyamaca Sp - Green Valley
Borrego Springs Unified School District
Rancho Borrego Mutual Water Co
Anza Borrego Sp - Bow Willow
Picacho State Reservation Area
Palomar Mtn. Sp - Silvercrest
All resolvedPalomar Mtn. Sp - Doane Valley
All resolvedTamarisk Grove State Park
Leapin' Lizard Rv Ranch
Anza Borrego Sp - Tamarisk Grove
Ocotillo Wells Svra - Hq
Iron Door
Ocotillo Wells Rv Park & Store
Borrego Springs Park Community Services
Anza Borrego Sp - Vallecito
Borrego Air Ranch Mutual Water
La Casa Del Zorro Lodge
Anza Borrego Sp - Horse Camp
Anza Borrego Sp - Lucky 5
Desert Ironwoods Resort Inc.
Heber Dunes - Svra
Ocotillo Wells - Holmes Camp
Borrego Springs Airport
California State Parks
Digiorgio Dev Corp
Csp-Anza Borrego-Bow Willow Ranger Stati
Csp-Anza Borrego-Elephant Tree
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
San Diego (92004) 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.