Water Quality in San Diego, CA (92024)

EPA violation data for public water systems serving ZIP code 92024.

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

50,617

Population

11

Water Systems

60

Violations (5yr)

25

Health-Based

Location

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Water Systems Serving This Area (11)

San Diego, City Of

Surface water 1,385,379 people served
0 violations

Helix Water District

Surface water 277,668 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Otay Water District

Purchased surface water 238,008 people served
0 violations

Sweetwater Authority

Surface water 191,282 people served
0 violations

Oceanside, City Of

Purchased surface water 171,483 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Escondido, City Of

Surface water 137,044 people served
0 violations
Lead tested: 1.1 ppb (limit: 15 ppb)

Vista Irrigation District

Surface water 132,430 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Olivenhain Mwd

Purchased surface water 86,458 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

San Dieguito Wd

All resolved
Purchased surface water 40,405 people served
1 violation (5yr) · All resolved
Lead tested: 1.1 ppb (limit: 15 ppb)

Dowville Tract Association

All resolved
Groundwater under influence of surface water 269 people served
1 violation (5yr) · All resolved

Mckee Bridge Mobile Home Park

25 health-based
Groundwater 40 people served
58 violations (5yr) · 25 health-based

Contaminants Found

Groundwater RuleHealth-Based
26 violations
All resolved
ArsenicHealth-Based

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

12 violations
All resolved
Public NoticeMonitoring
8 violations
Has active
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

6 violations
All resolved
Lead and Copper RuleMonitoring

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

1 violation
All resolved
NitrateMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

San Diego (92024) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 60.

Fewer violations 93th 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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