Water Quality in Los Angeles, CA (91101)

EPA violation data for public water systems serving ZIP code 91101.

Past Health-Based Violations

17 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved.

More violations than 76% of US ZIP codes.

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

21,165

Population

62

Water Systems

17

Violations (5yr)

17

Health-Based

Location

Loading map...

Water Systems Serving This Area (62)

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

Regency Mobile Home Park

Groundwater 400 people served
0 violations

Lake Morena Views Mwc

17 health-based
Groundwater 360 people served
17 violations (5yr) · 17 health-based · All resolved

Stonegate Mhp

Purchased groundwater 210 people served
0 violations

Shady Lane Mobile Home Park

Groundwater 85 people served
0 violations

Yosemite Resort Properties

Groundwater 36 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Valvermo 10-54-1839

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Usfs Angeles Nf

Surface water 25 people served
0 violations

Usfs Angeles Nf

Groundwater 25 people served
0 violations

Contaminants Found

NitrateHealth-Based

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

17 violations
All resolved

How Does This Compare?

Los Angeles (91101) has more violations than 76% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 17.

Fewer violations 76th 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.

Nearby ZIP Codes

Check Another ZIP Code