Serving roughly 106,183 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for TORRANCE-CITY, WATER DEPT.
1 water provider directly on file, serving roughly 106,183 people in Los Angeles County, California.
Quick answer: TORRANCE-CITY, WATER DEPT. has no violations on file. One reading is worth knowing about: Bromoform was measured at 32.7UG/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
Totalhaloaceticacids (HAA5)
TTHM
Lead
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Copper, Free
TDS
Sulfate
Utility TORRANCE-CITY, WATER DEPT.Population served 106,183Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0 mg/L (ppm)
12/31/2025
Lead
Detected: 6.8 UG/L (ppb)
3/25/2025
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: 83 UG/L (ppb)
10/23/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 11.2 UG/L (ppb)
9/25/2025
TTHM
Detected: 51.9 UG/L (ppb)
9/25/2025
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: 1.9 UG/L (ppb)
9/25/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 32.7 UG/L (ppb)
9/25/2025
Bromodichloromethane
Detected: 4.6 UG/L (ppb)
9/25/2025
Dibromochloromethane
Detected: 12.7 UG/L (ppb)
9/25/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Sulfate
Detected: 0.81 MG/L (ppm)
3/19/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 15 µg/L (ppb)
10/23/2023
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: 3.3 UG/L (ppb)
9/25/2025
Trichloroaceticacid
Detected: 1.9 UG/L (ppb)
9/25/2025
Dibromoaceticacid
Detected: 6 UG/L (ppb)
9/25/2025
TDS
Detected: 53 MG/L (ppm)
10/29/2025
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.