Public Water Partners

MOSS BEACH, CA · San Mateo County

PILLAR RIDGE MHP (FORMER EL GRANADA MHP) Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of March 2, 2017. 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 August 1, 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)
CA4110028
System type
Community Water System
Population served
1,000
Service connections
227
Ownership
privately owned
Water source
groundwater (wells)

PILLAR RIDGE MHP (FORMER EL GRANADA MHP) is one of 728 community water systems in California in the 501 to 3,300 people size category, formerly serving 1,000 people from groundwater.

EPA's federal records list this system as inactive in 2017; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 1997, all of which EPA lists as closed. Nothing has been added since 1997.

All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals.

Violation history

  • Monitoring, Check/Repeat/Confirmation

    —

    DICHLOROMETHANE

    June 27, 1997 – January 20, 1998

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

BOWMAN, PAUL

650-728-3389

MOSS BEACH, CA 94038