Water Quality in Modesto, CA (95356)
EPA violation data for public water systems serving ZIP code 95356.
Active Health Violations
39 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 89% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
33,233
Population
28
Water Systems
44
Violations (5yr)
39
Health-Based
Location
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Water Systems Serving This Area (28)
Modesto, City Of
Turlock, City Of
Ceres, City Of
1 health-basedRiverdale Park Tract Csd
All resolvedNmip Fire & Water System, Llc
10 health-basedDel Rio Golf & Country Club
Christian Berets Conf. Center
Grizzly Rock Cafe
2 health-basedIndalex West, Inc. (Eh)
Grover Landscape Water System
1 health-basedUnitarian Fellowship Church
Prunedale Plaza Ws
Morningside Mobilehome Park
Liberty Baptist Church
11 health-basedLodi Wine & Business Center
Grossman S
Mchenry Business Park
13 health-basedBest Western-Orchard Inn
1 health-based5801 Mchenry Ave
Vella Farms
The Country Market
Modesto Golf Center
Elks Lodge 1282
Pentecost Properties Water System
Los Indios Water System
Zansco
Mchenry Golf Center
Camp John Mensinger
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?
Modesto (95356) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 44.
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.