Water Quality in Stockton, CA (95366)
EPA violation data for public water systems serving ZIP code 95366.
Active Health Violations
29 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 86% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
18,954
Population
28
Water Systems
34
Violations (5yr)
29
Health-Based
Location
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Water Systems Serving This Area (28)
City Of Stockton
3 health-basedCalifornia Water Service - Stockton
Tracy, City Of
Manteca, City Of
All resolvedLodi, City Of
Ripon, City Of
Ripon Usd-Ripon High School
Ripon Christian Schools
Franzia Winery
Spring Creek Country Club
Subtera Water System
2 health-basedFormer Nestle Usa Inc Facility
Ripon Usd-Colony Oak School
Mcmanis Family Vineyards Inc.
Nicholas P Kukulica Vfw Post
Dan R Costa Inc (Ws)
Gico Management
17 health-basedFisher Nursery
Old Firehouse Bbq & Deli
Olde Towne
6 health-basedRipon Church Of Christ
Gubary S Liquor
St Patrick Catholic Church Wtr Sys
Birds Nest Child Develpmt Ctr Inc
Ripon Vfw Post 1051 Water System
Gico Valley Farms
South San Joaquin Irrigation District
Park Green Houses Water System
1 health-basedContaminants Found
A naturally occurring element that can cause cancer and other health effects at high levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Stockton (95366) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 34.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.