Water Quality in Santa Rosa, CA (95452)

EPA violation data for public water systems serving ZIP code 95452.

No Health-Based Violations

None of the 18 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.

1,762

Population

18

Water Systems

3

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (18)

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)

Lawndale Mutual Water Company

Purchased groundwater 218 people served
1 violation (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Landmark Vineyards, Ltd.

Groundwater 175 people served
0 violations

Jake'S Delicatessen

Groundwater 150 people served
0 violations

Kenwood School District

Groundwater 140 people served
0 violations

Ledson Winery And Vineyards

Groundwater 128 people served
0 violations

Golden Bear Lodge

Groundwater 100 people served
0 violations

Salt & Stone Restaurant

Groundwater 80 people served
0 violations

Sebastiani Vineyards

Groundwater 65 people served
0 violations
Lead tested: 70 ppb (limit: 15 ppb)

Saint Anne'S Crossing Winery

Groundwater 55 people served
0 violations

Kinnybrook Mutual Water Company

Groundwater 48 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Smother'S Water System

Groundwater 45 people served
0 violations

Kunde Estate Winery - Inactive 1993

Groundwater 45 people served
0 violations

Beringer Wine Estates - Worker Housing

Groundwater 34 people served
0 violations

Redwood Circle Condos

Groundwater 25 people served
0 violations

Mc Farren Water Company

Groundwater 0
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
ArsenicMonitoring

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

1 violation
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Santa Rosa (95452) 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.

Fewer violations 43th percentile More violations

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.

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