Water Quality in Fresno, CA (93646)
EPA violation data for public water systems serving ZIP code 93646.
Active Health Violations
14 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 78% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
10,328
Population
14
Water Systems
19
Violations (5yr)
14
Health-Based
Location
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Water Systems Serving This Area (14)
City Of Fresno
Cws - Visalia
City Of Clovis
Tulare, City Of
Porterville, City Of
1 health-basedCity Of Orange Cove
1 health-basedJireh Packing Group - Cutler
1 health-basedSheridan School
Mccord School
Citrus School
Booth Ranches Llc
7 health-basedJireh Packing Company-Orange Cove
4 health-basedHarding & Leggett- Packing Facility
Squaw Valley Motel
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Fresno (93646) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.
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.