Water Quality in Santa Rosa, CA (95446)
EPA violation data for public water systems serving ZIP code 95446.
No Health-Based Violations
None of the 14 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,607
Population
14
Water Systems
5
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (14)
Santa Rosa, City Of
Petaluma, City Of
Rohnert Park, City Of
All resolvedSweetwater Springs Cwd - Guerneville
Sweetwater Springs Cwd - Monte Rio
Sonoma Coast S.B. Bodega Dune
Korbel Brothers Winery
All resolvedOdd Fellows Park
Johnson'S Beach Resort
Fire Mtn Lodge
Rambling Hills Estates
All resolvedSchoolhouse Campgrounds
Wildwood Retreat
All resolvedSpooners Resort
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Santa Rosa (95446) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, most of which are monitoring/reporting issues.
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.