Public water system record
Wilsona Gardens Mutual
Serves an area of Los Angeles County, CA · 129 people served
Federal records show no health-based violations and 8 monitoring/reporting issues for Wilsona Gardens Mutual in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Wilsona Gardens Mutual draws water from 1 well.
- Most recent formal enforcement: compliance order with a penalty by California, August 2025.
- Record on file since 1980, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 31 unknown out of 31 service lines.
Check whether Wilsona Gardens Mutual 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
COLIPHAGE
Monitoring and reporting
|
Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2024 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2019 | Resolved |
Full record since 1980
EPA's records for Wilsona Gardens Mutual go back to 1980. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 5 |
| 1990s | 0 | 1 |
| 2010 to October 18, 2016 | 2 | 0 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 7 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2012, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2011 | Resolved |
Enforcement actions
California regulators took 8 formal enforcement actions against Wilsona Gardens Mutual between 2011 and 2025. The most recent was a compliance order with a penalty in August 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 28, 2025 | California | Compliance order with a penalty | 1 violation: Revised Total Coliform Rule |
| Apr 23, 2025 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Mar 18, 2025 | California | Compliance order (no penalty) | 3 violations: COLIPHAGE, Revised Total Coliform Rule |
| Oct 9, 2024 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Jan 26, 2024 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Nov 18, 2020 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Nov 21, 2012 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 7, 2011 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Wilsona Gardens Mutual draws water from 1 well. It also has an emergency connection to Los Angeles CWWD 40, Reg. 35-N.E. L.A.
Emergency or part-time connections to
- Los Angeles CWWD 40, Reg. 35-N.E. L.A. Alhambra, CA
Annual water quality report
Wilsona Gardens Mutual 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 Wilsona Gardens Mutual 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