Water Quality in Stockton, CA (95205)

EPA violation data for public water systems serving ZIP code 95205.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

39,608

Population

59

Water Systems

17

Violations (5yr)

13

Health-Based

Location

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Water Systems Serving This Area (59)

City Of Stockton

3 health-based
Surface water 191,302 people served
6 violations (5yr) · 3 health-based
Lead tested: 0 ppb (limit: 15 ppb)

California Water Service - Stockton

Purchased surface water 176,266 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Tracy, City Of

Surface water 96,609 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Manteca, City Of

All resolved
Purchased surface water 84,928 people served
1 violation (5yr) · All resolved
Lead tested: 0.4 ppb (limit: 15 ppb)

Lodi, City Of

Surface water 68,272 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County - Lincoln Village

Purchased surface water 5,990 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County-Mokelumne Acres

Groundwater 3,802 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County - Colonial Heights

Purchased surface water 1,841 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Fairoaks Pws #44

Groundwater 1,172 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County-Raymus Village

9 health-based
Groundwater 1,086 people served
9 violations (5yr) · 9 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County - Thornton

Groundwater 964 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County - Wilkinson Manor

Groundwater 851 people served
0 violations

Morada Estates N Pws #46

Groundwater 426 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Omelette House

Groundwater 350 people served
0 violations

Santos Ranch Pws #5-Csa #35

Groundwater 320 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin Water Works #2

Groundwater 310 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County

Groundwater 300 people served
0 violations

Morada Estates Pws

Groundwater 290 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Clements Water Works #43

Groundwater 264 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Del Monte Corp

Groundwater 240 people served
0 violations

Shaded Terrace Pws

Groundwater 238 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Elkhorn Estates Water System

Groundwater 234 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Acampo Water System

Groundwater 231 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Juan Vista

Groundwater 201 people served
0 violations
Lead tested: 2.6 ppb (limit: 15 ppb)

Gayla Manor Pws

Groundwater 178 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Par Country Estates Csa-16

Groundwater 178 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Rancho San Joaquin Water Sys

Groundwater 172 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Fairway Estates Pws Csa-18

Groundwater 149 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Corral Hollow Pws

Groundwater 145 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Flag City Water System

Groundwater 135 people served
0 violations

Wilkinson Manor A-Zone Pws

Purchased groundwater 125 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Big Wheel Mobile Home Park

1 health-based
Groundwater 120 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Spring Creek Estates Pws

Groundwater 119 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Morada Manor Water System

Groundwater 112 people served
0 violations
Lead tested: 11 ppb (limit: 15 ppb)

Walnut Acres

Groundwater 106 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Morada Acres Water System

Groundwater 105 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Midstate Barrier Inc

Groundwater 100 people served
0 violations

Display Technologies

Groundwater 100 people served
0 violations

Bing Yee Chau

Groundwater 100 people served
0 violations

Maurland Manor Water System

Purchased groundwater 92 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Manteca Industrial Prk Csa-30

Groundwater 76 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

California Cedar Products - Inactive

Groundwater 70 people served
0 violations

Sunnyside Estates Water System

Purchased surface water 69 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Almond Park Water System

Groundwater 60 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Joaquin County Schools

Groundwater 57 people served
0 violations

California Canners & Growers

Groundwater 50 people served
0 violations

Panella Trucking Llc

Groundwater 50 people served
0 violations

Stockton East Water District

Surface water 50 people served
0 violations

Shop N Buy Market Water System

Groundwater 50 people served
0 violations

Valley 99 Drive Inn

Groundwater 50 people served
0 violations

Frontier Motel

Groundwater 42 people served
0 violations

Mike S Rapid Service - Inactive

Groundwater 40 people served
0 violations

Fmc Technologies Inc

Groundwater 35 people served
0 violations

Tuff Shed Water System

Groundwater 30 people served
0 violations

Carpenter Guest Home #2

Groundwater 30 people served
0 violations

Moore Water System

Groundwater 30 people served
0 violations

United Mcgill Corporation

Groundwater 30 people served
0 violations

Gianone Park

Groundwater 30 people served
0 violations

F & H Construction Water System

Groundwater 25 people served
0 violations

Contaminants Found

NitrateHealth-Based

At high levels, nitrate can cause blue baby syndrome in infants.

11 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
TTHMHealth-Based
2 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Stockton (95205) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17.

Fewer violations 76th percentile More violations

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

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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.

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