Water Quality in Los Angeles, CA (93536)

EPA violation data for public water systems serving ZIP code 93536.

Past Health-Based Violations

32 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 12 monitoring/reporting violations.

More violations than 89% of US ZIP codes.

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

73,412

Population

25

Water Systems

44

Violations (5yr)

32

Health-Based

Location

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Water Systems Serving This Area (25)

Griffith Park

Purchased surface water 9,000,000 people served
0 violations

Los Angeles-City, Dept. Of Water & Power

Surface water 3,875,566 people served
0 violations

Long Beach Utilities Department

Purchased surface water 466,772 people served
0 violations

Cws - Bakersfield

Surface water 267,881 people served
0 violations
Lead tested: 2.8 ppb (limit: 15 ppb)

Bakersfield, City Of

Purchased surface water 160,144 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb)

Antelope Valley Poppy Reserve State Park

Surface water 25,007 people served
0 violations

Quartz Hill Water Dist.

Purchased surface water 19,100 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Palm Ranch Irrigation Dist.

Purchased surface water 5,507 people served
0 violations

Smith Forks Water System

All resolved
Groundwater 3,000 people served
1 violation (5yr) · All resolved

Land Projects Mutual Water Co.

18 health-based
Groundwater 2,800 people served
23 violations (5yr) · 18 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Del Sur School/Westside Union District

All resolved
Groundwater 825 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Antelope Valley Indian Museum State Park

Groundwater 506 people served
0 violations

Csp - Red Rock Canyon

Surface water 404 people served
0 violations

Mettler Valley Mutual

11 health-based
Groundwater 160 people served
11 violations (5yr) · 11 health-based · All resolved

Csp - Fort Tejon

Groundwater 155 people served
0 violations

Challenger Memorial Youth Center

Groundwater 150 people served
0 violations

Quail Canyon Sea

Groundwater 130 people served
0 violations

Csp - Tule Elk

Groundwater 105 people served
0 violations

Challenger Youth Center

Groundwater 100 people served
0 violations

Neenach School

Groundwater 100 people served
0 violations

Calandri Farms Water System F

Groundwater 90 people served
0 violations

Mountain Shadows Trlr Pa

Groundwater 80 people served
0 violations

Tierra Bonita Mutual Water

Groundwater 75 people served
0 violations

Bleich Flats Mutual

Groundwater 42 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Hungry Valley State Vehicular Rec Area

3 health-based
Groundwater 22 people served
8 violations (5yr) · 3 health-based · All resolved

Contaminants Found

ArsenicHealth-Based

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

28 violations
All resolved
FluorideHealth-Based
4 violations
All resolved
ChlorineHealth-Based

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
4 violations
All resolved
TTHMMonitoring
4 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2024

How Does This Compare?

Los Angeles (93536) has more violations than 89% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 44.

Fewer violations 89th 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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