Water Quality in Santa Rosa, CA (94515)
EPA violation data for public water systems serving ZIP code 94515.
Active Health Violations
5 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 83% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,946
Population
42
Water Systems
27
Violations (5yr)
5
Health-Based
Location
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Water Systems Serving This Area (42)
Santa Rosa, City Of
Napa, City Of
Petaluma, City Of
Rohnert Park, City Of
All resolvedAmerican Canyon, City Of
Phelps Vineyards
Calistoga, City Of
3 health-basedMacedonian Picnic Ground
Petrified Forest
Beringer Vineyards
All resolvedSterling International Winery
Tucker Acres Mutual Water Co.
Schramsberg Winery
Clos Pegase Winery
1 health-basedSterling Vineyards
Chateau Montelena Winery
Duffy'S Napa Valley Rehab
Tucker Acres Mutual Water Co.
Sterling Vineyards
All resolvedSuzies On The Mountain
Beaulieu Vineyard
All resolvedWine Valley Inn
Hans Fahden Vineyards
All resolvedNew El Faro Restaurant
Phelps, Joseph Winery
Frank Family Vineyards
All resolvedV. Sattui Winery
1 health-basedDba Silver Rose Cellars
Heritage School
Calistoga Cottages
Joseph Cellars Winery
All resolvedCamp Maacama
Fairwinds Estate Winery
Golden Haven Motel
All resolvedCalistoga Ranch
Larkmead Vineyards
All resolvedEnvy Wines
All resolvedBennett Lane Winery
Victor Grusdiv
Rainbow Ranch
Pickett Road Wine Company
Mapes Heights Mutual Water Co
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Approaching limitSampled: Jan 2025
How Does This Compare?
Santa Rosa (94515) has more violations than 83% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 27.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.