Lake Los Angeles Tap Water Quality Report
Lake Los Angeles's water record shows 6 contaminants with an EPA health goal detected in some samples (no level on file). Consider using a certified water filter for additional protection.
Other systems listed for Lake Los Angeles with results above guidelines: ANTELOPE VALLEY EAST KERN WATER AGENCY (2 above guidelines)
Water system
LOS ANGELES CWWD 40, REG. 38-LAKE LA
1 other system is listed for Lake Los Angeles. See its figures
People Served
12,617
Health-based violations since 2020
0
LOS ANGELES CWWD 40, REG. 38-LAKE LA. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Jan 2023 ยท LOS ANGELES CWWD 40, REG. 38-LAKE LA
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Lake Los Angeles Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Lake Los Angeles's water record shows 6 contaminants with an EPA health goal detected in some samples (no level on file).
LOS ANGELES CWWD 40, REG. 38-LAKE LA, Lake Los Angeles's water system, serves 12,617 people. 1 other system is listed for Lake Los Angeles. Each system's results are listed under its own name, never added to LOS ANGELES CWWD 40, REG. 38-LAKE LA's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LOS ANGELES CWWD 40, REG. 38-LAKE LA is from Jan 2023.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
Lake Los Angeles Water Service Areas

What these numbers actually mean for Lake Los Angeles, CA
We read Lake Los Angeles, CAโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 6 contaminants with an EPA health goal detected in some samples (no level on file)
- 35 results on file
- 23 PFAS compounds on record
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General-Purpose Water Filters for Lake Los Angeles
Lake Los Angeles's results show no result above EPA's health goals or legal limits, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.

Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity

Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
+17 more
Atrazine, Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Styrene, Tetrachloroethylene, Toxaphene, Trichloroethylene, Turbidity

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What Lake Los Angeles's water readings can explain
Utility-reported data for Lake Los Angeles includes a chlorine-based disinfectant โ the readings behind these common tap water questions. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Lake Los Angeles? Public-water results do not apply to private wells. See Los Angeles County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Lake Los Angeles Tap Water
Lake Los Angeles's water record shows 6 contaminants with an EPA health goal detected in some samples (no level on file). We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach LOS ANGELES CWWD 40, REG. 38-LAKE LA. For a problem with your water now (discolored water, no water, low pressure, a leak), contact LOS ANGELES CWWD 40, REG. 38-LAKE LA directly.
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