Water Quality in Modesto, CA (95367)

EPA violation data for public water systems serving ZIP code 95367.

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

25,593

Population

14

Water Systems

20

Violations (5yr)

18

Health-Based

Location

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Water Systems Serving This Area (14)

Modesto, City Of

Purchased surface water 218,771 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Turlock, City Of

Purchased surface water 72,682 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Ceres, City Of

1 health-based
Purchased surface water 54,513 people served
2 violations (5yr) · 1 health-based

Riverbank, City Of

1 health-based
Groundwater 24,834 people served
1 violation (5yr) · 1 health-based · All resolved

Riverbank High School Cafeteria

Groundwater 1,350 people served
0 violations

Mesa Elementary School

Groundwater 860 people served
0 violations

Natural Remedies Consulting (Nrc)

Groundwater 240 people served
0 violations

Riverbank Lra

1 health-based
Groundwater 156 people served
2 violations (5yr) · 1 health-based

Park Sierra Mhp

Groundwater 73 people served
0 violations

Century Mobile Home Park

15 health-based
Groundwater 50 people served
15 violations (5yr) · 15 health-based · All resolved

Thunderbolt Wood Treating

Groundwater 28 people served
0 violations

Beckley Lyons Water System

Groundwater 26 people served
0 violations

Sun Garden Tomato Kitchens

Groundwater 26 people served
0 violations

Haven Tract Water Company

Groundwater 25 people served
0 violations

Contaminants Found

ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

15 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
Has active
NitrateHealth-Based

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Modesto (95367) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 20.

Fewer violations 79th 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

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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