CALIFORNIA WATER SERVICE - LIVERMORE Water Quality Report
Serving roughly 60,414 people in Alameda County, California.
Data current as of July 2026
🔍Straight from EPA
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Results for CALIFORNIA WATER SERVICE - LIVERMORE
1 water provider directly on file, serving roughly 60,414 people in Alameda County, California.
Quick answer: CALIFORNIA WATER SERVICE - LIVERMORE has no violations on file. One reading is worth knowing about: Bromodichloromethane was measured at 14UG/L, among the highest of the 50 providers on file in this area. It's the most notable figure in this system's record among its 50 local peers.
Lead Summary
PFPEA
PFBS
PFHXA
Lithium
PFHXS
PFOA
PFOS
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Monobromoaceticacid
Dibromoaceticacid
Monochloroaceticacid
Fluoride
Nitrate
Utility CALIFORNIA WATER SERVICE - LIVERMOREPopulation served 60,414Owner Private
No violations on file
Contaminants found
Metals
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0075 mg/L (ppm)
12/31/2024
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 23 UG/L (ppb)
8/19/2025
TTHM
Detected: 42 UG/L (ppb)
8/19/2025
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: 20 UG/L (ppb)
8/19/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 0.8 UG/L (ppb)
8/19/2025
Bromodichloromethane
Detected: 14 UG/L (ppb)
8/19/2025
Dibromochloromethane
Detected: 7.3 UG/L (ppb)
8/19/2025
Inorganics
Common dissolved minerals and salts, e.g. nitrate, fluoride, chloride
Fluoride
Detected: 0.1 MG/L (ppm)
9/23/2025
Often added deliberately for dental health; can also occur naturally.
Nitrate
Detected: 5.2 MG/L (ppm)
5/29/2025
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
PFPEA
Detected: 0.0035 µg/L (ppb)
7/10/2024
PFBS
Detected: 0.0042 µg/L (ppb)
7/10/2024
PFHXA
Detected: 0.0038 µg/L (ppb)
7/10/2024
Lithium
Detected: 9.06 µg/L (ppb)
7/16/2024
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFHXS
Detected: 0.0098 µg/L (ppb)
7/10/2024
PFOA
Detected: 0.0048 µg/L (ppb)
4/16/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
PFOS
Detected: 0.012 µg/L (ppb)
7/10/2024
One of two PFAS with an enforceable federal limit (4 ppt) since 2024.
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 17 UG/L (ppb)
8/19/2025
Trichloroaceticacid
Detected: 3.8 UG/L (ppb)
8/19/2025
Monobromoaceticacid
Detected: 1.1 UG/L (ppb)
5/21/2025
Dibromoaceticacid
Detected: 2 UG/L (ppb)
8/19/2025
Monochloroaceticacid
Detected: 2.8 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.