SANTA ROSA, CA · Sonoma County
MOBILE HOME ESTATES Water System
Consumer Confidence Report status
MOBILE HOME ESTATES must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 open health-based violation for MOBILE HOME ESTATES.
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)
- CA4900720
- System type
- Community Water System
- Population served
- 210
- Service connections
- 150
- Ownership
- privately owned
- Water source
- groundwater (wells)
MOBILE HOME ESTATES is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 210 people from groundwater.
As of August 1, 2026, its federal record holds 16 entries between 1981 and 2024, of which 1 health-based item remains open.
Of the 16, 13 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 inorganic chemicals, synthetic organic chemicals, and the Lead and Copper Rule.
Violation history
LSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
AddressedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2020 – February 18, 2022
ResolvedMonitoring, Regular
—Picloram
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Barium
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Chromium
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Selenium
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Atrazine
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Diquat
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Arsenic
January 1, 2018 – December 31, 2020
ResolvedMonitoring, Regular
—Nitrite
January 1, 2006 – December 31, 2006
ResolvedNotification, Public
—No contaminant on record
September 1, 1984 – September 30, 1984
ArchivedNotification, Public
—No contaminant on record
August 1, 1984 – August 31, 1984
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Addressed corrective action reported, pending final confirmationResolved 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 |
|---|---|---|---|---|
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Addressed |
| October 1, 2020 – February 18, 2022 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | Picloram | — | 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 | Selenium | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Diquat | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2018 – December 31, 2020 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2006 – December 31, 2006 | Monitoring, Regular | Nitrite | — | 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 |
Addressed corrective action reported, pending final confirmationResolved 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
- July 21, 2005State Administrative/Compliance Order without penalty issued3 linked violations
- May 24, 2005State Administrative/Compliance Order without penalty issued5 linked violations
Common questions
Is MOBILE HOME ESTATES required to publish a Consumer Confidence Report?
- Yes. MOBILE HOME ESTATES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is MOBILE HOME ESTATES’s next Consumer Confidence Report due?
- MOBILE HOME ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MOBILE HOME ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 open health-based violation for MOBILE HOME ESTATES.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
BOCCI, JOHN
707-576-0377
SANTA ROSA, CA 95403