Water Quality in Corte Madera, CA (94952)
EPA violation data for public water systems serving ZIP code 94952.
Active Health Violations
2 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 74% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
33,785
Population
44
Water Systems
15
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (44)
Marin Municipal Water District
Santa Rosa, City Of
North Marin Water District
Petaluma, City Of
Rohnert Park, City Of
All resolvedU.S. Coast Guard Training Center
1 health-basedKoa - Petaluma
Lombardi'S Deli & Bbq
Happy Acres Mutual Benefit Water System
Cinnabar Elementary School
Liberty School
Walker Creek Ranch Educational Center
Wilson Elementary School
Dunham School
1 health-basedMarin French Cheese Co
Capri Mobile Villa
Jan Klebe
All resolvedOld Adobe School
Broadway Market
Port Sonoma Marina
El Adobe Rancho
Washoe House
Velladao Mobile Home Park
Mcevoy Ranch Water System
Richmond Hunting Club - Arbuckle
Boulevard Heights Mutual Water
Winners Circle Ranch
Willowbrook Ale House
Terrace View Mutual Water Co.
Sonoma County Pub Works-Central Landfill
Roblar Community Church/Little Lambs
Lincoln School
Laguna Joint School
Park Way Drive In
The Eggery
Sonoma Joe'S
Agius Grocery And Bar
Union Joint School
Dollar General Store 17662
Bodega Bay Oyster Company
Washoe House
Apostolic Christian School
Gilardi'S Resort
Candlewood Mobile Home Park
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 and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Corte Madera (94952) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.
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.