Water Quality in Santa Rosa, CA (95404)

EPA violation data for public water systems serving ZIP code 95404.

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

37,011

Population

41

Water Systems

8

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (41)

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)

Sutter Santa Rosa Regional Hospital

Groundwater 1,000 people served
0 violations

Urj Camp Newman

Groundwater under influence of surface water 705 people served
0 violations

Sutter Medical Center Of Santa Rosa

Groundwater 500 people served
0 violations

Sonoma Transfer Station

Groundwater 500 people served
0 violations

Bennett Ridge Mutual Water Company

Groundwater 439 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Ted Bild

Groundwater 325 people served
0 violations

Holland Heights Mutual Water Company

Groundwater 300 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Branger Mutual Water Company, Inc.

1 health-based
Groundwater 300 people served
2 violations (5yr) · 1 health-based
Lead tested: 3.3 ppb (limit: 15 ppb)

Yulupa Mutual Water Company

Groundwater 200 people served
0 violations

Caspar South Service Company

Groundwater under influence of surface water 188 people served
0 violations
Lead tested: 2.7 ppb (limit: 15 ppb)

Sonoma Mountain County Water District

All resolved
Groundwater 181 people served
1 violation (5yr) · All resolved

Redwood Adventist Academy

Groundwater 140 people served
0 violations

End-O-Valley Mutual Water Company

All resolved
Groundwater 129 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Roberto'S Restaurant

Groundwater 100 people served
0 violations

Safari West

Groundwater 99 people served
0 violations
Lead tested: 11 ppb (limit: 15 ppb)

Mark West Acres Mwc

Groundwater 61 people served
0 violations

El Tenampa Club

Groundwater 50 people served
0 violations

Summit View Ranch Mutual Water Co.

Groundwater 45 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Paradise Grove Assn

Groundwater 42 people served
0 violations

Pepperwood Environmental Center

Groundwater 35 people served
0 violations

Sonoma Mountain Zen Center

Groundwater 35 people served
0 violations

Jaylee Heights Mutual Water Co

Groundwater 30 people served
0 violations

Loch Haven Mutual Water Company

Groundwater 26 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Maria'S New York Subs

Groundwater 25 people served
0 violations

Gables Inn

Groundwater 25 people served
0 violations

Fort Ross Highlands Mutual Wat

Groundwater 25 people served
0 violations

Michael Lucas Water System

Groundwater 25 people served
0 violations

Ingram'S Chili Bowl Restaurant

Groundwater 25 people served
0 violations

Bank Club

Groundwater 25 people served
0 violations

Mark West Meadows Mutual Water

1 health-based
Groundwater 20 people served
2 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Woodlot Assoc.,Inc.

Groundwater 20 people served
0 violations

Coyote Springs Village

Groundwater 5 people served
0 violations

Sunset Apartments

Groundwater 0
0 violations

Cottage Apartments

Groundwater 0
0 violations

Apartments 939-963 Aston

Groundwater 0
0 violations

Quill Properties

Groundwater 0
0 violations

Chalfant/Ledford Ranch

Groundwater 0
0 violations

Borden Villa Condominium Association

Groundwater 0
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.

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 and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

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 (95404) 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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