Water Quality in San Diego, CA (92154)
EPA violation data for public water systems serving ZIP code 92154.
Active Health Violations
9 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 70% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
80,445
Population
12
Water Systems
12
Violations (5yr)
9
Health-Based
Location
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Water Systems Serving This Area (12)
San Diego, City Of
Helix Water District
Otay Water District
Sweetwater Authority
Oceanside, City Of
Escondido, City Of
Vista Irrigation District
Pine Valley Border Patrol Station
Dhs Border Patrol Hwy 94 Checkpoint
7 health-basedDhs Boulevard Border Patrol
Dhs Border Patrol I-8 Checkpoint
2 health-basedTiajauna Valley Community Water District
Contaminants Found
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
San Diego (92154) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12.
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.
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.