Serving roughly 110,044 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for AZUSA LIGHT AND WATER
1 water provider directly on file, serving roughly 110,044 people in Los Angeles County, California.
Quick answer: AZUSA LIGHT AND WATER has no violations on file. One reading is worth knowing about: Chloroform was measured at 17UG/L, among the highest of the 601 providers on file in this area. It's the most notable figure in this system's record among its 601 local peers.
Lead Summary
PFOS
PFOA
PFHXA
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Monobromoaceticacid
Nitrate
Perchlorate
Utility AZUSA LIGHT AND WATERPopulation served 110,044Owner 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
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 14 UG/L (ppb)
7/30/2025
TTHM
Detected: 67 UG/L (ppb)
7/30/2025
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: 17 UG/L (ppb)
7/30/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 5.7 UG/L (ppb)
7/30/2025
Bromodichloromethane
Detected: 22 UG/L (ppb)
7/30/2025
Dibromochloromethane
Detected: 22 UG/L (ppb)
7/30/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Nitrate
Detected: 5.4 MG/L (ppm)
10/28/2025
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
PFOS
Detected: 0.0053 µg/L (ppb)
6/12/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOA
Detected: 0.0077 µg/L (ppb)
6/12/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFHXA
Detected: 0.0035 µg/L (ppb)
12/14/2023
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 5.3 UG/L (ppb)
7/30/2025
Trichloroaceticacid
Detected: 3.6 UG/L (ppb)
7/30/2025
Dibromoaceticacid
Detected: 5 UG/L (ppb)
7/30/2025
Monobromoaceticacid
Detected: 1.3 UG/L (ppb)
4/29/2025
Perchlorate
Detected: 3 UG/L (ppb)
10/28/2025
Can occur naturally or from industrial/military sources; may interfere with thyroid function at elevated levels.
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.