Public water system record
Cal American WC - Las Posas Estates
Serves an area of Ventura County, CA · 2,039 people served
Federal records show no health-based violations and no monitoring or reporting issues for Cal American WC - Las Posas Estates 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
- Cal American WC - Las Posas Estates buys its water from Calleguas Municipal Water Dist.
- Lead pipe inventory: 0 lead and 0 unknown out of 616 service lines.
Check whether Cal American WC - Las Posas 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.
None since October 2016, and no monitoring or reporting violations either.
Where the water comes from
Cal American WC - Las Posas Estates buys its water from Calleguas Municipal Water Dist. It lists no wells or intakes of its own.
Buys water from
- Calleguas Municipal Water Dist Thousand Oaks, CA
Annual water quality report
Cal American WC - Las Posas 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.
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