SANTA ROSA, CA · Sonoma County

MOBILE HOME ESTATES Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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): CA4900720
System type: Community Water System
Population served: 210
Service connections: 150
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2024 – November 24, 2025
Resolved
Monitoring, Regular
—
Barium
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Regular
—
Chromium
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Regular
—
Mercury
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Regular
—
Selenium
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Regular
—
Nitrite
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2018 – December 31, 2020
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2005 – June 30, 2005
Resolved
Notification, Public
—
No contaminant on record
September 1, 1984 – September 30, 1984
Archived
Notification, Public
—
No contaminant on record
August 1, 1984 – August 31, 1984
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2024 – November 24, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Barium	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Chromium	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Mercury	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Selenium	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Nitrite	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2018 – December 31, 2020	Monitoring, Regular	Arsenic	—	Resolved
June 1, 2005 – June 30, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1984 – September 30, 1984	Notification, Public	—	—	Archived
August 1, 1984 – August 31, 1984	Notification, Public	—	—	Archived
October 1, 1981 – September 30, 1982	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 30, 1980 – October 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

November 24, 2025State Compliance achieved3 linked violations
May 28, 2024State Administrative/Compliance Order without penalty issued3 linked violations
January 27, 2021State Administrative/Compliance Order with penalty issued7 linked violations
December 14, 2007State Compliance achieved7 linked violations
May 24, 2005State Administrative/Compliance Order without penalty issued3 linked violations
March 22, 2002State Administrative/Compliance Order without penalty issued4 linked violations

Contact

BOCCI, JOHN

707-576-0377

SANTA ROSA, CA 95403