Public water system record
Rio Manor Mutual Water Co
Serves Oxnard, Ventura County, CA · 983 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Rio Manor Mutual Water Co 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
- 1
Key facts
- Rio Manor Mutual Water Co draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, July 2022.
- Record on file since 1994, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 290 service lines.
Check whether Rio Manor Mutual Water Co 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, 2019 | Resolved |
Full record since 1994
EPA's records for Rio Manor Mutual Water Co go back to 1994. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 1 | 4 |
| 2010 to October 18, 2016 | 1 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 2015, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2015 | Resolved |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 19, 2004 | Resolved |
Enforcement actions
California regulators took 4 formal enforcement actions against Rio Manor Mutual Water Co between 2011 and 2022. The most recent was a compliance order (no penalty) in July 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 7, 2022 | California | Compliance order (no penalty) | 1 violation: Revised Total Coliform Rule |
| Mar 4, 2015 | California | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform, E. coli |
| Mar 6, 2012 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Feb 15, 2011 | California | Compliance order (no penalty) | 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5) |
Where the water comes from
Rio Manor Mutual Water Co draws water from 2 wells.
Annual water quality report
Rio Manor Mutual Water Co 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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