Tap Water Quality Report for Santa Clara, California

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Santa Clara, California tap water has 1000 total contaminants, with 46 being above EPA standards and 532 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (57)

57 water systems serve Santa Clara, California. Select one or more to filter the data below.

SAN JOSE WATER
Public Water System ID:CA4310011
Population Served:1,010,207
Primary Source:Surface water
Last Updated:Nov 15, 2024
Contact:
CITY OF SANTA CLARA
Public Water System ID:CA4310012
Population Served:132,476
Primary Source:Surface water purchased
Last Updated:Nov 15, 2024
Contact:
GREAT OAKS WC INC
Public Water System ID:CA4310022
Population Served:110,088
Primary Source:Ground water
Last Updated:Nov 15, 2024
Contact:
CWSC LOS ALTOS SUBURBAN
Public Water System ID:CA4310001
Population Served:70,175
Primary Source:Surface water purchased
Last Updated:Nov 15, 2024
Contact:
STANFORD UNIVERSITY
Public Water System ID:CA4310013
Population Served:33,827
Primary Source:Surface water purchased
Last Updated:Nov 15, 2024
Contact:
NASA AMES RESEARCH CENTER
Public Water System ID:CA4300997
Population Served:15,294
Primary Source:Surface water purchased
Last Updated:Nov 15, 2024
Contact:

Stay Updated

Subscribe to receive updates about water quality in Santa Clara, California and learn about ways to ensure your drinking water is safe.

Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).