Public Water Partners

COBB, CA · Lake County

COBB AREA CWD - BONANZA SPRINGS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of November 24, 2020. 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 Lake 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)
CA1700544
System type
Community Water System
Population served
594
Service connections
180
Ownership
local government
Water source
groundwater (wells)

COBB AREA CWD - BONANZA SPRINGS is one of 728 community water systems in California in the 501 to 3,300 people size category, formerly serving 594 people from groundwater.

EPA's federal records list this system as inactive in 2020; the record below is historical.

As of August 1, 2026, its federal record holds 2 entries between 1981 and 1984, all of which EPA lists as closed. Nothing has been added since 1984.

Of the 2, 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 the Miscellaneous Other Rules and the Radionuclides and Revised Rad Rule.

Violation history

  • Notification, Public

    No contaminant on record

    June 1, 1984 – June 30, 1984

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1981 – September 30, 1982

    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)

MURPHY, BENJAMIN

707-928-5262

COBB, CA 95426