Water Quality in Concord, CA (94513)

EPA violation data for public water systems serving ZIP code 94513.

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

69,755

Population

36

Water Systems

26

Violations (5yr)

19

Health-Based

Location

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Water Systems Serving This Area (36)

Contra Costa Water District

Surface water 198,000 people served
0 violations
Lead tested: 3.1 ppb (limit: 15 ppb)

City Of Antioch

Surface water 115,074 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Brentwood

Purchased surface water 64,513 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Pittsburg

Purchased surface water 62,500 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Liberty Union High School

Groundwater 1,250 people served
0 violations

Orwood Resort

1 health-based
Groundwater 350 people served
3 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Jehovahs Witnesse Church *Cl 2/13

Groundwater 300 people served
0 violations

Neighborhood Church

Groundwater 250 people served
0 violations

Lighthouse Baptist Church

Groundwater 250 people served
0 violations

Farmers Daughter Water Sys *Closed*

Groundwater 100 people served
0 violations

Ronald Nunn

Groundwater 80 people served
0 violations

Mapes Labor Camp

Purchased surface water 75 people served
0 violations

Cruiser Haven Marina

Groundwater 75 people served
0 violations

Sandy Point Mobile Home Park

1 health-based
Groundwater 67 people served
3 violations (5yr) · 1 health-based

Wahl Family Water System

Groundwater 65 people served
0 violations

Country Villa Apts

16 health-based
Groundwater 60 people served
17 violations (5yr) · 16 health-based · All resolved

La Paloma High School

Groundwater 60 people served
0 violations

Holland Riverside Marina

Groundwater 45 people served
0 violations

Lone Tree Medical & Dental

Groundwater 45 people served
0 violations

Cecchini Water

Groundwater 35 people served
0 violations

Carson Swim School

Groundwater 35 people served
0 violations

Colonia Santa Maria

1 health-based
Groundwater 32 people served
3 violations (5yr) · 1 health-based

Frank & Carole Karaglanis

Groundwater 28 people served
0 violations

010 050 003

Groundwater 26 people served
0 violations

Gary Larsen

Groundwater 25 people served
0 violations

Norman S Brentwood Nursery

Groundwater 25 people served
0 violations

Brentwood Missionary Baptist

Groundwater 25 people served
0 violations

L & J Donnell

Groundwater 25 people served
0 violations

Motorcycle Recreation

Groundwater 25 people served
0 violations

Dudley Young

Groundwater 25 people served
0 violations

Savers Sws

Groundwater 25 people served
0 violations

Mt View Food Center

Groundwater 25 people served
0 violations

San Andreas Farms

Surface water 23 people served
0 violations

Villa De Guadalupe

Groundwater 20 people served
0 violations

Casey Road Mhp

Groundwater 0
0 violations

La Jolla Farms

Surface water 0
0 violations

Contaminants Found

ArsenicHealth-Based

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

17 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
6 violations
Has active
Lead and Copper RuleMonitoring

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

3 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Concord (94513) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 26.

Fewer violations 82th 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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