Los Gatos, CA Tap Water Quality

The drinking water in Los Gatos, CA generally meets all federal health standards, earning a solid B grade with a composite safety score of 76/100 across 4 ZIP codes. While the primary water utility, SAN JOSE WATER, maintains adequate compliance with EPA regulations, there have been minor or administrative violations on record. Overall, residents receive safe tap water that is actively monitored by California State Water Resources Control Board.

Over the past 5 years, Los Gatos has recorded 4 health-based violations. While occasional violations can occur due to seasonal changes or temporary infrastructure issues, SAN JOSE WATER is legally required to resolve these quickly and notify the public via their annual Consumer Confidence Report. The city's water supply, primarily drawn from surface water, is treated to address these specific contaminants.

Additionally, lead exposure risk remains a critical issue for certain neighborhoods. EPA data indicates that 3 out of 4 ZIP codes in Los Gatos are rated as High or Very High risk for lead. This risk is often driven by aging homes with pre-1986 plumbing containing lead solder or service lines. Families in these areas should test their tap water and consider NSF/ANSI 53 certified filters.