Water Quality in San Jose, CA (93426)
EPA violation data for public water systems serving ZIP code 93426.
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 73% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,564
Population
21
Water Systems
14
Violations (5yr)
9
Health-Based
Location
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Water Systems Serving This Area (21)
Cwsc Salinas
Cal Am Water Company - Monterey
Alco Water Service
Santa Margarita Recreation Area
San Luis Obispo Water Department
Marina Coast Water District
City Of Paso Robles Water Division
Atascadero Mutual Water Co
Nacimiento Water Company
9 health-basedCounty Of Monterey-Lake Nacimiento
Bradley Union School Ws
North Shore Inn
North Shore Estates Ws
Northshore S & B, Inc
Harris Creek Ranch
Jolon Rd Ws #10
Babe Ruth'S Oak View
Horse World Inc Water System
Hazard Water Supply
Lockwood Forestry Station
Bruce Barton Brooks
Contaminants Found
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 2025
How Does This Compare?
San Jose (93426) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.
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.