LIBERTY UTILITIES - BELLFLOWER-NORWALK Water Quality Report
Serving roughly 72,624 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
📅Updated Quarterly
🏠Local Expertise
Results for LIBERTY UTILITIES - BELLFLOWER-NORWALK
1 water provider directly on file, serving roughly 72,624 people in Los Angeles County, California.
Quick answer: LIBERTY UTILITIES - BELLFLOWER-NORWALK has no violations on file. One reading is worth knowing about: Lithium was measured at 87.6µg/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
Lithium
PFBS
PFHPA
PFBA
PFHXA
PFHXS
PFOS
PFOA
PFPEA
Totalhaloaceticacids (HAA5)
TTHM
Lead
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Copper, Free
Alkalinity, Total
Magnesium
Potassium
Sodium
Calcium
Alkalinity, Bicarbonate
Hardness, Total (ASCACO3)
TDS
Sulfate
Chloride
Fluoride
Utility LIBERTY UTILITIES - BELLFLOWER-NORWALKPopulation served 72,624Owner Private
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0019 mg/L (ppm)
12/31/2025
Lead
Detected: 0.62 UG/L (ppb)
8/7/2025
A metal that can leach from old pipes, solder, and fixtures. Current medical guidance holds there is no truly safe level of lead exposure, especially for children and pregnant women.
Copper, Free
Detected: 29 UG/L (ppb)
9/5/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 3.3 UG/L (ppb)
10/15/2025
TTHM
Detected: 2.3 UG/L (ppb)
10/15/2025
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: 3.1 UG/L (ppb)
10/15/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 0.85 UG/L (ppb)
10/15/2025
Bromodichloromethane
Detected: 0.52 UG/L (ppb)
10/15/2025
Dibromochloromethane
Detected: 0.94 UG/L (ppb)
10/15/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 110 MG/L (ppm)
6/18/2025
Chloride
Detected: 86 MG/L (ppm)
6/18/2025
Fluoride
Detected: 0.38 MG/L (ppm)
6/18/2025
Often added deliberately for dental health; can also occur naturally.
Minerals
Everyday minerals that mainly affect taste and water hardness
Magnesium
Detected: 16 MG/L (ppm)
6/18/2025
Potassium
Detected: 4.1 MG/L (ppm)
6/18/2025
Sodium
Detected: 59 MG/L (ppm)
6/18/2025
Calcium
Detected: 79 MG/L (ppm)
6/18/2025
Properties
General water characteristics like pH, hardness, and cloudiness (turbidity)
Hardness, Total (ASCACO3)
Detected: 260 MG/L (ppm)
6/18/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 87.6 µg/L (ppb)
5/16/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFBS
Detected: 0.0057 µg/L (ppb)
2/14/2024
PFHPA
Detected: 0.0037 µg/L (ppb)
2/14/2024
PFBA
Detected: 0.0075 µg/L (ppb)
2/14/2024
PFHXA
Detected: 0.0053 µg/L (ppb)
2/14/2024
PFHXS
Detected: 0.011 µg/L (ppb)
2/14/2024
PFOS
Detected: 0.051 µg/L (ppb)
2/14/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOA
Detected: 0.016 µg/L (ppb)
2/14/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFPEA
Detected: 0.0076 µg/L (ppb)
2/14/2024
Calculated Parameters
Values worked out mathematically from other test results, not measured directly
Alkalinity, Bicarbonate
Detected: 160 MG/L (ppm)
6/18/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 1.2 UG/L (ppb)
10/15/2025
Trichloroaceticacid
Detected: 1.8 UG/L (ppb)
10/15/2025
Dibromoaceticacid
Detected: 2.1 UG/L (ppb)
10/15/2025
Alkalinity, Total
Detected: 160 MG/L (ppm)
6/18/2025
TDS
Detected: 500 MG/L (ppm)
6/18/2025
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.