Public water system record
Las Virgenes MWD
Serves an area of Los Angeles County, CA that includes Calabasas, Agoura Hills, Westlake Village and 1 more place · 72,602 people served
Federal records show no health-based violations and no monitoring or reporting issues for Las Virgenes MWD 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
- Las Virgenes MWD draws water from 2 surface water intakes.
- Most recent formal enforcement: compliance order (no penalty) by California, July 2013.
- Record on file since 1993, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 21,241 service lines.
Check whether Las Virgenes MWD 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 Las Virgenes MWD go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 2 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began September 1993, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1993 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against Las Virgenes MWD in 2013. The most recent was a compliance order (no penalty) in July 2013.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 23, 2013 | California | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
Where the water comes from
Las Virgenes MWD draws water from 2 surface water intakes. It also buys water from Metropolitan Water Dist. of So. Cal. 1 other public water system has an emergency connection to Las Virgenes MWD.
Buys water from
- Metropolitan Water Dist. of So. Cal. La Verne, CA
Annual water quality report
Las Virgenes MWD 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