SUBURBAN WATER SYSTEMS-SAN JOSE Water Quality Report
Serving roughly 168,843 people in Los Angeles County, California.
Data current as of July 2026
🔍Straight from EPA
🧪Real Lab Results
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Results for SUBURBAN WATER SYSTEMS-SAN JOSE
1 water provider directly on file, serving roughly 168,843 people in Los Angeles County, California.
Quick answer: SUBURBAN WATER SYSTEMS-SAN JOSE has no violations on file and no single reading stands out against its peers (601 other providers in this area). It serves roughly 168,843 people, and the full breakdown below reflects everything EPA and California have on record for it.
Lead Summary
Lithium
PFHXA
PFBS
PFPEA
PFBA
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Copper, Free
Utility SUBURBAN WATER SYSTEMS-SAN JOSEPopulation served 168,843Owner 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)
12/31/2025
Copper, Free
Detected: 120 UG/L (ppb)
9/16/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 6.2 UG/L (ppb)
10/27/2025
TTHM
Detected: 31 UG/L (ppb)
10/27/2025
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: 5.8 UG/L (ppb)
10/27/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromoform
Detected: 5.3 UG/L (ppb)
10/27/2025
Bromodichloromethane
Detected: 8.5 UG/L (ppb)
10/27/2025
Dibromochloromethane
Detected: 11 UG/L (ppb)
10/27/2025
PFAS & Emerging Contaminants
Human-made "forever chemicals" and other substances not yet fully regulated
Lithium
Detected: 54 µg/L (ppb)
1/15/2025
Occurs naturally in some groundwater. Not currently federally regulated in drinking water.
PFHXA
Detected: 0.0033 µg/L (ppb)
7/18/2024
PFBS
Detected: 0.0036 µg/L (ppb)
7/18/2024
PFPEA
Detected: 0.0035 µg/L (ppb)
7/18/2024
PFBA
Detected: 0.0062 µg/L (ppb)
7/23/2024
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 2.2 UG/L (ppb)
10/27/2025
Trichloroaceticacid
Detected: 1.5 UG/L (ppb)
10/27/2025
Dibromoaceticacid
Detected: 2.6 UG/L (ppb)
10/27/2025
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.