Water Quality in Santa Rosa, CA (95430)

EPA violation data for public water systems serving ZIP code 95430.

No Health-Based Violations

None of the 23 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 48% of US ZIP codes.

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

0

23

Water Systems

4

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (23)

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)

Csp-Van Damme State Park

Surface water 2,004 people served
0 violations

Csp-Mackerricher State Park

Surface water 1,416 people served
0 violations

Csp-Mendocino Headlands-Sea Arch

Groundwater 500 people served
0 violations

Casini Ranch Campground

Groundwater 442 people served
0 violations

Csp-Pt. Cabrillo Light Station Shp

Surface water 430 people served
0 violations

Csp-Manchester State Park

Groundwater 420 people served
0 violations

Csp-Dimmick Wayside Campground

Groundwater 400 people served
0 violations

Csp-Westport State Beach

Surface water 370 people served
0 violations

Csp-Mendocino Headlands - Ford House

Groundwater 275 people served
0 violations

Csp-Hendy Woods State Park

Groundwater 236 people served
0 violations

Duncans Mills Camping Club

Groundwater 127 people served
0 violations

Csp-Fisk Mill State Park

Groundwater 100 people served
0 violations

Csp-Austin Creek (Bullfrog Pond Camp)

Groundwater 100 people served
0 violations

Austin Acres Mutual Water Company

All resolved
Groundwater 82 people served
2 violations (5yr) · All resolved

Blue Heron Restaurant

Groundwater 50 people served
0 violations

Duncans Mills Trading Company

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

Csp-Russian Gulch State Park

Surface water 30 people served
0 violations

Csp Fisk Mill State Park

Groundwater 25 people served
0 violations

Csp Sonoma Coast S. B.

Groundwater 25 people served
0 violations

Willow Creek State Park

Groundwater 15 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

3 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 (95430) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, most of which are monitoring/reporting issues.

Fewer violations 48th 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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