Water Quality in Santa Rosa, CA (95442)

EPA violation data for public water systems serving ZIP code 95442.

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 are also 2 monitoring/reporting violations.

More violations than 43% of US ZIP codes.

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

3,449

Population

14

Water Systems

3

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (14)

Santa Rosa, City Of

Groundwater 175,396 people served
0 violations

Petaluma, City Of

Groundwater 60,781 people served
0 violations

Rohnert Park, City Of

All resolved
Groundwater 43,821 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Benziger Family Winery

Groundwater 225 people served
0 violations

B.R. Cohn Winery

Groundwater 155 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Imagery Estate Winery

Groundwater 135 people served
0 violations

Vineburg Deli & Grocery

Groundwater 100 people served
0 violations

Lasseter Family Winery

Groundwater 75 people served
0 violations

Garden Court Cafe

Groundwater 60 people served
0 violations

Morton'S Warm Springs / Sonoma Springs

Groundwater 59 people served
0 violations

Sonoma Botanical Garden

Groundwater 36 people served
0 violations

Deerfield Ranch Winery Llc

1 health-based
Groundwater 35 people served
1 violation (5yr) · 1 health-based · All resolved

Ettersberg School

Groundwater 27 people served
0 violations

Valley Of The Moon Winery

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
ArsenicMonitoring

A naturally occurring element that can cause cancer and other health effects at high levels.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Santa Rosa (95442) 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.

Fewer violations 43th 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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