Drinking Water Compliance OS

MENLO PARK, CA · San Mateo County

LA HONDA PROPERTIES Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 22, 1999. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in San Mateo County, CA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID)
CA4100600
System type
Community Water System
Population served
50
Service connections
21
Ownership
privately owned
Water source
not on record

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

LA HONDA PROPERTIES

6507479713

MENLO PARK, CA 94026