Water Quality in Fresno, CA (93630)
EPA violation data for public water systems serving ZIP code 93630.
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 72% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
21,284
Population
17
Water Systems
13
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (17)
City Of Fresno
City Of Clovis
Kerman, City Of
Sun Empire School
All resolvedKerman Event Center
Lower Line Creek Imprvmnt Assn
All resolvedCentral Ca Almond Growers Assn
Shasta Market
Baker Commodities Inc.
1 health-basedHolland Hulling Company
All resolvedRobertson Farms
Dole Dried Fruit & Nut Company
Shasta Mobile Home Park
Murrieta/Hernandez Farms
1 health-basedGraham Farming
Ramirez Market
Bar 20 Dairy Farms - Inactive
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.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Fresno (93630) has more violations than 72% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 13.
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.