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Water Quality Lookup / California / Los Angeles County / LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM
EPA SDWIS ยท Los Angeles County, California

LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM Water Quality Report

Serving roughly 11,509 people in Los Angeles County, California.

Data current as of July 2026
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๐ŸงชReal Lab Results
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Results for LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM

1 water provider directly on file, serving roughly 11,509 people in Los Angeles County, California.

Quick answer: LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM has no violations on file and no single reading stands out against its peers (601 other providers in this area). It serves roughly 11,509 people, and the full breakdown below reflects everything EPA and California have on record for it.
Utility LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM Population served 11,509 Owner Local government
No violations on file

Contaminants found

Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2023
Chromium, Hex
Detected: 2.8 UG/L (ppb)
3/19/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 7.4 UG/L (ppb)
8/20/2025
TTHM
Detected: 29 UG/L (ppb)
8/20/2025
A group of disinfection byproducts formed when chlorine reacts with organic matter. Long-term exposure above the legal limit has been linked to increased cancer risk in some studies.
Chloroform
Detected: 3.9 UG/L (ppb)
8/20/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 3.7 UG/L (ppb)
8/20/2025
Bromodichloromethane
Detected: 9.4 UG/L (ppb)
8/20/2025
Dibromochloromethane
Detected: 12 UG/L (ppb)
8/20/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 52 MG/L (ppm)
1/21/2025
Chloride
Detected: 13 MG/L (ppm)
1/21/2025
Nitrate
Detected: 0.74 MG/L (ppm)
1/21/2025
Commonly from agricultural fertilizer runoff or septic systems. Above the legal limit, it's an immediate concern especially for infants.
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 11.6 ยตg/L (ppb)
11/13/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 2.5 UG/L (ppb)
8/20/2025
Dibromoaceticacid
Detected: 3.7 UG/L (ppb)
8/20/2025
Trichloroaceticacid
Detected: 1.2 UG/L (ppb)
8/20/2025
Monobromoaceticacid
Detected: 1.4 UG/L (ppb)
5/21/2025
Filtration considerations: See the table below for how whole-house carbon, under-sink reverse osmosis, and under-sink carbon systems compare against what's actually on file here. These are general system types, not a specific product recommendation.
Contaminant Whole-House Carbon Under-Sink RO Under-Sink Carbon
Total Trihalomethanes (TTHM)YesYesYes
Haloacetic Acids (HAA5)YesYesYes
ChloroformYesYesYes
Chlorine / TasteYesYesYes
Sediment / TurbidityYesYesYes
TrichloroethyleneYesYesYes
TetrachloroethyleneYesYesYes
cis-1,2-DichloroethyleneYesYesYes
1,1-DichloroethyleneYesYesYes
BromoformYesYesYes
BromodichloromethaneYesYesYes
DibromochloromethaneYesYesYes
1,1,2-TrichloroethaneYesYesYes
Vinyl ChlorideYesYesYes
Carbon TetrachlorideYesYesYes
BenzeneYesYesYes
TolueneYesYesYes
XyleneYesYesYes
Totalhaloaceticacids (HAA5)YesYesYes
LeadPartialYesPartial
ArsenicPartialYesPartial
Chromium-6 (Hexavalent)PartialYesPartial
CopperPartialYesPartial
Combined UraniumPartialYesPartial
PFOAPartialYes*Partial
PFOSPartialYes*Partial
NitratePartialYesPartial
Combined RadiumPartialYesPartial
LithiumPartialYes*Partial
DichloroaceticacidPartialYesPartial
DibromoaceticacidPartialYesPartial
TrichloroaceticacidPartialYesPartial
MonobromoaceticacidPartialYesPartial
SulfatePartialYesPartial
ChloridePartialYesPartial
Chromium, HexPartialYesPartial
Coliform Bacteria (indicator)NoYesNo

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What is TTHM? Understanding EPA Violation Status Is Chromium-6 Dangerous? Whole-House vs. Under-Sink Filtration Lead and Copper in Drinking Water What is PFAS? Arsenic and Uranium Explained Nitrate and Fluoride Explained Water Hardness, pH, and Turbidity What is Coliform Bacteria?