Water Quality in Santa Rosa, CA (95441)

EPA violation data for public water systems serving ZIP code 95441.

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

1,648

Population

25

Water Systems

8

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (25)

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)

Dry Creek Rancheria

All resolved
Groundwater 2,200 people served
2 violations (5yr) · All resolved
Lead tested: 5 ppb (limit: 15 ppb)

Gill Creek Mutual Water Company

Groundwater 290 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Alexander Valley Rv Park & Campground

Groundwater 281 people served
0 violations

Alexander Valley Campground

Groundwater 205 people served
0 violations

Geyserville Newtech Academy School

1 health-based
Groundwater 200 people served
2 violations (5yr) · 1 health-based

Geyserville Winery

Groundwater 100 people served
0 violations

Vinwood Cellars Production Area

Groundwater 80 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Robert Young Family Limited Partner

Groundwater 71 people served
0 violations

Trentadue Winery

Groundwater 70 people served
0 violations

Sbragia Winery

Groundwater 68 people served
0 violations

U.S. Army Corps-Liberty Glen Campground

Surface water 62 people served
0 violations

K Barr Daughters Water System

Groundwater 61 people served
0 violations

U.S. Army Corps-Lake Sonoma Headquarters

Groundwater 52 people served
0 violations

Virginia Dare Winery

1 health-based
Groundwater 51 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Cast Estate Vineyards & Cellars

Groundwater 50 people served
0 violations

Soda Rock Winery

Groundwater 50 people served
0 violations

Trattore Winery

Groundwater 45 people served
0 violations

Geyserville Education Park

Groundwater 40 people served
0 violations

Dry Creek Rancheria

Groundwater 28 people served
0 violations

Vimark Trione Winery

Groundwater 25 people served
0 violations

Pedroncelli Winery

Groundwater 25 people served
0 violations

The Ranch Sonoma

Groundwater 25 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
Has active
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
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved
Xylenes, TotalMonitoring
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 (95441) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8.

Fewer violations 62th 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.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 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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