Water Quality in Modesto, CA (95326)
EPA violation data for public water systems serving ZIP code 95326.
Active Health Violations
68 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 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
10,593
Population
25
Water Systems
74
Violations (5yr)
68
Health-Based
Location
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Water Systems Serving This Area (25)
Modesto, City Of
Turlock, City Of
Ceres, City Of
1 health-basedHughson, City Of
19 health-basedHughson High School
Hughson Union Sd - Hughson Elementary Sc
River Oaks/Kingdom Hall
Hughson Nut Inc. - Livingston
Hughson Nut Company Water System
Dairy Farmers Of America
Duarte Nursery Inc Water System
16 health-basedHughson Christian School
Mid Valley Nut Co
14 health-basedCobles Corner
14 health-basedTrieweiler Mobile Home Park
Grower Direct Nut - Service Rd
Lakewood Memorial Park & Funeral Home
1 health-basedDekleva Del Monte Water System
Houseboat Mini Mart
All resolvedLittle Folks Nursery
Kenneth Doberenz
Growers Direct Nut Company
Resendiz Fruit Barn
J & J Farm Fresh Produce & Bakery
Hughson Nut #2
3 health-basedContaminants Found
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.
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?
Modesto (95326) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 74.
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.