Water Quality in San Jose, CA (93249)
EPA violation data for public water systems serving ZIP code 93249.
No Health-Based Violations
None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,243
Population
11
Water Systems
2
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (11)
Cws - Bakersfield
Bakersfield, City Of
Lost Hills Utility District
All resolvedWp&A - Lost Hills Water System
Wp&A-Firebaugh Water System
Wp&A - King Water System
Wonderful Hulling & Shelling Ws
Berrenda Mesa Water District, Dom System
Semitropic - Aera Energy Llc
Chevron Lost Hills Gas Plant
Wonderful Pistachios & Almonds-El Dorado
All resolvedContaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
San Jose (93249) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, 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.