Public water system record
El Portal Mobile Estates
Serves an area of Sonoma County, CA · 200 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for El Portal Mobile 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
- 1
Key facts
- El Portal Mobile Estates draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2015.
- Record on file since 1980, with 9 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 121 service lines.
Check whether El Portal Mobile 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 |
Full record since 1980
EPA's records for El Portal Mobile Estates go back to 1980. Before October 19, 2016 they list 9 health-based violations (9 resolved) and 14 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 0 | 1 |
| 2000s | 0 | 8 |
| 2010 to October 18, 2016 | 9 | 1 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Trichloroethylene, began July 2016, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.0122 mg/L, federal limit 0.005 mg/L (2.4 times the limit)
|
Jul 1, 2016 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.013575 mg/L, federal limit 0.005 mg/L (2.7 times the limit)
|
Apr 1, 2016 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.013325 mg/L, federal limit 0.005 mg/L (2.7 times the limit)
|
Jan 1, 2016 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.013125 mg/L, federal limit 0.005 mg/L (2.6 times the limit)
|
Oct 1, 2015 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.012625 mg/L, federal limit 0.005 mg/L (2.5 times the limit)
|
Jul 1, 2015 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.012 mg/L, federal limit 0.005 mg/L (2.4 times the limit)
|
Apr 1, 2015 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.01125 mg/L, federal limit 0.005 mg/L (2.3 times the limit)
|
Jan 1, 2015 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.010408 mg/L, federal limit 0.005 mg/L (2.1 times the limit)
|
Oct 1, 2014 | Resolved |
|
Trichloroethylene
Contaminant limit exceeded
Measured 0.00854 mg/L, federal limit 0.005 mg/L (1.7 times the limit)
|
Jul 1, 2014 | Resolved |
Enforcement actions
California regulators took 8 formal enforcement actions against El Portal Mobile Estates between 2005 and 2015. The most recent was a compliance order (no penalty) in February 2015.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 19, 2015 | California | Compliance order (no penalty) | 9 violations (9 health-based): Trichloroethylene |
| Oct 15, 2012 | California | Compliance order (no penalty) | 1 violation: Trichloroethylene |
| Aug 23, 2010 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Sep 5, 2008 | California | Compliance order (no penalty) | 1 violation: Nickel |
| Oct 19, 2007 | California | Compliance order (no penalty) | 1 violation: Nickel |
| Oct 5, 2007 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| May 4, 2007 | California | Compliance order (no penalty) | 2 violations: Total Coliform, Haloacetic Acids (HAA5) |
| Apr 5, 2005 | California | Compliance order (no penalty) | 1 violation: 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
El Portal Mobile Estates draws water from 2 wells.
Annual water quality report
El Portal Mobile 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 El Portal Mobile 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