Serving roughly 81,773 people in Santa Clara County, California.
Data current as of July 2026
🔍Straight from EPA
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Results for CITY OF MILPITAS
1 water provider directly on file, serving roughly 81,773 people in Santa Clara County, California.
Quick answer: CITY OF MILPITAS has no violation currently counted toward its compliance status. EPA's record shows a Surface Water Treatment Rule violation dating to 03/01/1995 (31 years ago) — because it's more than five years past its deadline, EPA's policy no longer treats it as part of this system's current standing, though it remains on the public record.
Lead Summary
Totalhaloaceticacids (HAA5)
TTHM
Chloroform
Bromodichloromethane
Dibromochloromethane
Bromoform
Dichloroaceticacid
Trichloroaceticacid
Dibromoaceticacid
Monochloroaceticacid
Utility CITY OF MILPITASPopulation served 81,773Owner Local government
Naturally occurring or corrosion-related elements, e.g. lead, arsenic, copper
Lead Summary
Detected: 0.0025 mg/L (ppm)
12/31/2025
Disinfection Byproducts
Formed when chlorine used to disinfect water reacts with organic matter
Totalhaloaceticacids (HAA5)
Detected: 12 UG/L (ppb)
8/7/2025
TTHM
Detected: 34 UG/L (ppb)
8/7/2025
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: 16 UG/L (ppb)
8/7/2025
One of the individual trihalomethane disinfection byproducts, formed when chlorine reacts with organic matter.
Bromodichloromethane
Detected: 11 UG/L (ppb)
8/7/2025
Dibromochloromethane
Detected: 6.4 UG/L (ppb)
8/7/2025
Bromoform
Detected: 1 UG/L (ppb)
8/7/2025
Other
Additional substances tested that don't fit neatly into the categories above
Dichloroaceticacid
Detected: 5.2 UG/L (ppb)
8/7/2025
Trichloroaceticacid
Detected: 6.3 UG/L (ppb)
8/7/2025
Dibromoaceticacid
Detected: 3.3 UG/L (ppb)
5/14/2025
Monochloroaceticacid
Detected: 3.2 UG/L (ppb)
8/7/2025
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.