Water Quality in Santa Rosa, CA (94954)
EPA violation data for public water systems serving ZIP code 94954.
No Health-Based Violations
None of the 19 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
37,574
Population
19
Water Systems
2
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (19)
Santa Rosa, City Of
Petaluma, City Of
Rohnert Park, City Of
All resolvedCsp - Angel Island St Park
Csp - Mt Tam Theatre Well
Csp - Tomales Bay St Park
Csp - Samuel Taylor St Park
Csp-Sugarloaf Ridge State Park
Gilardi Water System
Csp-Petaluma Adobe State Historic Park
Csp-Jack London State Historic Park
Csp - Mt Tam East Peak System
Waugh School District
Lichau Hylands Mutual Water Company
Keller Estate Winery
Adobe Christian Church
Port Sonoma Marina
Valley Of The Moon Camp
Little Woods Mobile Villa
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)
Approaching limitSampled: Jan 2025
How Does This Compare?
Santa Rosa (94954) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, 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.