Water Quality in Santa Maria, CA (93454)
EPA violation data for public water systems serving ZIP code 93454.
Active Health Violations
3 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 92% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
41,896
Population
40
Water Systems
57
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (40)
City Of Santa Maria Utilities Department
City Of Santa Barbara Water Department
Goleta Water District
Santa Margarita Recreation Area
San Luis Obispo Water Department
Lompoc-City Water Utility Div
Golden State Water Company - Orcutt
All resolvedCity Of Paso Robles Water Division
Atascadero Mutual Water Co
Gatehouse Tasting Room At Bien Nacido
Bonita School
Betteravia Gas & Mart
Blochman School
Cambria Winery
Foster Road Mutual Water Company
All resolvedEast Valley Farms Mutual Water Company
Riverside Mobilehome Park - Inactive
Riverbench Winery
Byron Vineyard & Winery
Flood Ranch/Rancho Sisquoc
Kendall-Jackson Winery Ws
Aaa Kindness Care Home
1 health-basedCentral City Cooling
Better Cooling Produce
All resolvedLake Tulloch Water System 3
Tres Hermanas Winery
Cerro Alto Campground
1 health-basedCuyama Lane Water Company
1 health-basedCali. Dept. Of Transportation
Cotton Wood Winery
All resolvedColson Station & Campground
Inglis Frozen Foods
Stoney Creek Water Supply - Inactive
Pozo Station Water Supply - Inactive
Camp Wantala -Inactive
American Canyon Water Supply - Inactive
Hanson Equipment
Lapanza Campground Water - Inactive
Hi Mountain Water Supply - Inactive
Donald & Ben Johnston
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Similar to nitrate — harmful to infants at high levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
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 Maria (93454) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 57.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.