Water Quality in Oakland, CA (94605)

EPA violation data for public water systems serving ZIP code 94605.

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

44,103

Population

19

Water Systems

2

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (19)

East Bay Mud

Surface water 1,442,800 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Alameda County Water District

Surface water 344,000 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Hayward

Purchased surface water 162,954 people served
0 violations

Dublin San Ramon Services District

Purchased surface water 98,776 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

City Of Pleasanton

Purchased surface water 76,689 people served
0 violations

California Water Service - Livermore

Purchased surface water 60,414 people served
0 violations
Lead tested: 7.5 ppb (limit: 15 ppb)

Ebrpd - Del Valle Regional Park

Surface water 9,024 people served
0 violations

Ebrpd Alhambra

Groundwater 115 people served
0 violations

Ebrpd Bay Point Regional Shoreline

Groundwater 105 people served
0 violations

Ebrpd - Sunol Regional Wilderness

Groundwater 91 people served
0 violations

Ebrpd Round Valley Water System

Groundwater 82 people served
0 violations

Ebrpd Black Diamond Mines

Groundwater 74 people served
0 violations

Ebrpd Little Hills

Groundwater 66 people served
0 violations

Ebrpd Morgan Territory

Groundwater 57 people served
0 violations

Ebrpd Old Briones Regional Park

Groundwater 47 people served
0 violations

Ebrpd - Piedmont Stables

Groundwater 45 people served
0 violations

Ebrpd - Garin Regional Park

Groundwater 40 people served
0 violations

Seneca Family Of Agencies

1 health-based
Groundwater 30 people served
2 violations (5yr) ยท 1 health-based

Ebrpd - Mission Peak Regional Preserve

Groundwater 10 people served
0 violations

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Oakland (94605) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2.

Fewer violations 36th 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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