Public water system record
Mobile Home Estates
Serves Larkfield-Wikiup, Sonoma County, CA · 210 people served
Federal records show 1 health-based violation and 28 monitoring/reporting issues for Mobile Home Estates in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 28
Key facts
- Mobile Home Estates draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, May 2024.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
Check whether Mobile Home Estates serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
Nitrite
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Thallium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Selenium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Mercury
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Fluoride
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Chromium (total)
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Cadmium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Barium
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Arsenic
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Beryllium, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Simazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Picloram
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Pentachlorophenol
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
OXAMYL
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Endothall
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Diquat
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Atrazine
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Dalapon
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Antimony, Total
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2005 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2005 | Resolved |
Full record since 1980
EPA's records for Mobile Home Estates go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 16 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 2 | 1 |
| 2000s | 1 | 9 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 21 |
| 2020s | 1 | 5 |
Most recent health-based violation before October 19, 2016: Total Coliform, began April 2005, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1995 | Resolved |
Enforcement actions
California regulators took 13 formal enforcement actions against Mobile Home Estates between 1998 and 2024, filed as 14 records in EPA's data. The most recent was a compliance order (no penalty) in May 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 28, 2024 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Mar 24, 2021 | California | Compliance order (no penalty) | 19 violations: Antimony, Total, Diquat, Endothall, Beryllium, Total, Arsenic |
| Jan 27, 2021 | California | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
| Feb 20, 2020 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jul 28, 2015 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Aug 27, 2012 | California | Compliance order (no penalty) | 1 violation: Public Notice |
| May 27, 2009 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Dec 14, 2007 | California | Compliance order (no penalty) | 3 violations: Nitrite, Atrazine, Asbestos |
| Jun 13, 2007 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Jul 21, 2005 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| May 24, 2005 | California | Compliance order (no penalty) | 3 violations (1 health-based): Consumer Confidence Rule, Lead and Copper Rule, Total Coliform |
| Mar 22, 2002 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Nov 30, 1998 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Mobile Home Estates draws water from 1 well.
Annual water quality report
Mobile Home Estates must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Mobile Home Estates for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells