Public water system record
Triunfo Water & Sanitation District
Serves Oak Park, Ventura County, CA · 13,898 people served
Federal records show no health-based violations and no monitoring or reporting issues for Triunfo Water & Sanitation District 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
- 0
Key facts
- Triunfo Water & Sanitation District buys its water from Calleguas Municipal Water Dist.
- Most recent formal enforcement: compliance order (no penalty) by California, November 2000.
- Record on file since 1993, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 4,574 service lines.
Check whether Triunfo Water & Sanitation District 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, and no monitoring or reporting violations either.
Full record since 1993
EPA's records for Triunfo Water & Sanitation District go back to 1993. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 1 |
| 2000s | 3 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began July 2004, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1998 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against Triunfo Water & Sanitation District in 2000. The most recent was a compliance order (no penalty) in November 2000.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 15, 2000 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Triunfo Water & Sanitation District buys its water from Calleguas Municipal Water Dist. It lists no wells or intakes of its own. It also has an emergency connection to California Water Service Co - Westlake. 1 other public water system has an emergency connection to Triunfo Water & Sanitation District.
Buys water from
- Calleguas Municipal Water Dist Thousand Oaks, CA
Emergency or part-time connections to
- California Water Service Co - Westlake San Jose, CA
Annual water quality report
Triunfo Water & Sanitation District 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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