Serving roughly 46,300 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for BELLFLOWER - SOMERSET MWC
1 water provider directly on file, serving roughly 46,300 people in Los Angeles County, California.
Quick answer: BELLFLOWER - SOMERSET MWC has no violations on file and no single reading stands out against its peers (601 other providers in this area). It serves roughly 46,300 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
PFOS
PFHXS
Perfluorohexanesulfonicacid (PFHxS)
Perfluoroctanesulfonicacid (PFOS)
Perfluoroctanoicacid (PFOA)
Perfluorobutanoicacid (PFBA)
1, 4-Dioxane
Manganese
TTHM
Chromium, Hex
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Combined Uranium
Gross Alpha Particle Activity
Utility BELLFLOWER - SOMERSET MWCPopulation served 46,300Owner Private
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)
12/31/2024
Manganese
Detected: 1.9 UG/L (ppb)
5/1/2025
Mainly a taste/staining concern at typical levels; long-term neurological research at high chronic exposure is ongoing.
Chromium, Hex
Detected: 1.2 UG/L (ppb)
5/1/2025
Combined Uranium
Detected: 2.5 PCI/L
5/1/2025
A naturally occurring radioactive metal. Long-term exposure above the legal limit is associated with kidney effects and increased cancer risk.
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
TTHM
Detected: 9.6 UG/L (ppb)
5/1/2025
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: 1.1 UG/L (ppb)
5/1/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 2.9 UG/L (ppb)
5/1/2025
Bromodichloromethane
Detected: 2 UG/L (ppb)
5/1/2025
Dibromochloromethane
Detected: 1.4 UG/L (ppb)
7/8/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Gross Alpha Particle Activity
Detected: 3.06 PCI/L
5/1/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
PFOS
Detected: 0.0051 µg/L (ppb)
10/10/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXS
Detected: 0.0033 µg/L (ppb)
10/10/2024
Other
Additional substances tested that don't fit neatly into the categories above
Perfluorohexanesulfonicacid (PFHxS)
Detected: 4.4 NG/L (ppt)
5/1/2025
Perfluoroctanesulfonicacid (PFOS)
Detected: 7.7 NG/L (ppt)
5/1/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluoroctanoicacid (PFOA)
Detected: 3.6 NG/L (ppt)
5/1/2025
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Perfluorobutanoicacid (PFBA)
Detected: 3 NG/L (ppt)
5/1/2025
1, 4-Dioxane
Detected: 3.2 UG/L (ppb)
8/27/2025
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.