Water Quality in San Jose, CA (93923)
EPA violation data for public water systems serving ZIP code 93923.
Active Health Violations
8 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.
12,565
Population
20
Water Systems
14
Violations (5yr)
8
Health-Based
Location
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Water Systems Serving This Area (20)
Cwsc Salinas
Cal Am Water Company - Monterey
Alco Water Service
Marina Coast Water District
Santa Lucia Preserve Ws
All resolvedCarmel By The River Rv Park Ws
Valley Creek Mhp Ws
7 health-basedSan Clemente Rancho Ws
Rancho Fiesta
Sleepy Hollow Mutual Water Co
Saddle Mountain Ws
Gorda Ws
Brandon Creek Mws
1 health-basedShenandoah Hills Rv Resort & Cottages
White Rock Club Ws
All resolvedStewart Water System
Unitarian Universalist Church Ws
Folktale Winery Ws
Dollar General (#21220) - Ebro
Sanctuary Bible Church Ws
All resolvedContaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
San Jose (93923) 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.
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.