Water Quality in San Jose, CA (93524)

EPA violation data for public water systems serving ZIP code 93524.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There is also 1 monitoring/reporting violation.

More violations than 36% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

57

Population

4

Water Systems

2

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (4)

Cws - Bakersfield

Surface water 267,881 people served
0 violations
Lead tested: 2.8 ppb (limit: 15 ppb)

Bakersfield, City Of

Purchased surface water 160,144 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb)

Edwards Afb - Main Base

1 health-based
Purchased surface water 11,316 people served
2 violations (5yr) · 1 health-based · All resolved
Lead tested: 1.7 ppb (limit: 15 ppb)

Edwards Afb - Air Force Research Lab

Purchased surface water 469 people served
0 violations
Lead tested: 5.8 ppb (limit: 15 ppb)

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.3 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

San Jose (93524) 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.

Fewer violations 36th percentile More violations

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.

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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.

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