Water Quality in Santa Maria, CA (93458)
EPA violation data for public water systems serving ZIP code 93458.
No Health-Based Violations
None of the 12 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
59,148
Population
12
Water Systems
4
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (12)
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
Windset Farms Greenhouses
Teixeira Farms - Frontier Cooling
All resolvedMain Street Produce
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
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?
Santa Maria (93458) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, 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.