Water Quality in San Diego, CA (92059)

EPA violation data for public water systems serving ZIP code 92059.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 8 monitoring/reporting violations.

More violations than 65% of US ZIP codes.

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

1,362

Population

13

Water Systems

9

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (13)

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)

Pala North

1 health-based
Groundwater 14,280 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Pala South

Groundwater 360 people served
0 violations
Lead tested: 1.4 ppb (limit: 15 ppb)

Pala Raceway

Groundwater 200 people served
0 violations

Muro Trailer Park

Groundwater 68 people served
0 violations

Oak Knoll Village

All resolved
Groundwater 66 people served
6 violations (5yr) · All resolved

Hodge Brothers Dairy

Groundwater 65 people served
0 violations

Contaminants Found

NitrateHealth-Based

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

2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

7 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

San Diego (92059) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9.

Fewer violations 65th 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

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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