Water Quality in San Jose, CA (93252)
EPA violation data for public water systems serving ZIP code 93252.
No Health-Based Violations
None of the 23 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 43% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,295
Population
23
Water Systems
3
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (23)
Cws - Bakersfield
Oxnard Water Dept
Bakersfield, City Of
Ventura Water Department
City Of Santa Maria Utilities Department
City Of Santa Barbara Water Department
Ventura Wwd No. 8 - Simi Valley
All resolvedGoleta Water District
Cal American Water Co
All resolvedCity Of Thousand Oaks Water Department
Santa Margarita Recreation Area
San Luis Obispo Water Department
Camarillo Water Dept
Golden State Water Company - Simi Valley
Lompoc-City Water Utility Div
Ventura Cwwd No. 1 - Moorpark
Golden State Water Company - Orcutt
All resolvedCity Of Paso Robles Water Division
Atascadero Mutual Water Co
Half Way Station Cafe
Sagebrush Annie'S Restaurant
Ventucopa
Santa Barbara Pistachio Company
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
San Jose (93252) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.