Water Quality in San Jose, CA (93920)
EPA violation data for public water systems serving ZIP code 93920.
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 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,464
Population
41
Water Systems
9
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (41)
Cwsc Salinas
Cal Am Water Company - Monterey
Alco Water Service
Marina Coast Water District
Big Sur State Park
Ventana Corporation
Nepenthe Ws
All resolvedPost Ranch Inn Ws
Pheneger Creek Ws
Esalen Institute Ws
Ripplewood Resort Ws
Big Sur Campground Ws
Cattlemans Rd 2
Ventana Big Sur Inn Ws
Fernwood Ws
All resolvedMolera
Coastlands Mws (Post Creek)
Clear Ridge Wa
Big Sur Bazaar Ws
Riverside Campground Ws
River Inn Resort Ws**Closed**
Limekiln Creek Campground
Csp California State Parks
Loma Vista Inn Ws
Fernwood Water System
Glen Oaks Ws #01
Rancho Chaparral Mwc
Julia Pfeiffer Burns
Glen Oaks Ws #2
Lucia Ws
New Camaldoli Hermitage Ws
Partington Mwc
Deetjen'S Big Sur Inn Ws
1 health-basedSouth Coast Center Ws
All Saints Campground Ws
Treebones Resort Ws
All resolvedLimekiln Creek Campground
Pacific Valley School
Buck Creek Water Corporation
Pacific Valley School Ws
1 health-basedHenry Miller Library
All resolvedContaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
San Jose (93920) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9.
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.