Water Quality in Stockton, CA (95336)
EPA violation data for public water systems serving ZIP code 95336.
Active Health Violations
51 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.
50,185
Population
39
Water Systems
72
Violations (5yr)
51
Health-Based
Location
Loading map...
Water Systems Serving This Area (39)
City Of Stockton
3 health-basedCalifornia Water Service - Stockton
Tracy, City Of
Manteca, City Of
All resolvedLodi, City Of
Musd-Nile Garden School
14 health-basedCentral Valley Baptist Church Ws
31 health-basedOakwood Lake Resort
Musd-East Union High School
Delicato Vineyards
Musd-Manteca High School
Musd-New Haven School
1 health-basedFranks One/Stop Food Mart Water Sys
Southland Mobile Home Park
Francis Coppola Winery
1 health-basedMusd-Calla High School
Ranch Coffee Shop
All resolvedDurham Ferry Park
Turner Station
South San Joaquin Irr Dist
Tulare Farms Lllp Water System
Oasis Rd Ws #2
All resolvedMarchesotti, Joe Labor Camp #6
Larsen Ranch 39-40/Water System
1 health-basedCamp Berea
Poplar Grove Cabins
Marshall Lehr - Inactive
Van Groningen & Sons Inc Water System
Ed Foneca Jim Teicheira
Delgado Water System - Inactive
Finleys
Oasis Market & Produce
C Degroot & Sons
Beall Trailers Of Calif Inc
South San Joaquin Education Center
Lathrop Gas & Food Mart*
Flagstone Apartments
Cardoza Water System
Golden Gate Church
Contaminants 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.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Stockton (95336) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 72.
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.