California American Water Company - Ventura County District (CAL AMERICAN WATER CO)
Las Posas / Thousand Oaks area, Ventura County
Population reference
66,809 people (California SDWA record for CA5610040; the system is identified in the State record as Las Posas/Thousand Oaks, Ventura County)
Billing detail
Partial public detail found
Official destination
Open provider website ↗Provider-specific findings
Billing and account research from public material
Provider-specific research notes are displayed separately from fields that contain only an unavailable-information marker. Read qualifiers in each note and verify current account terms with the provider.
- Billing frequency
- Monthly billing is supported by California American Water's Budget Billing and AutoPay descriptions; the reviewed pages do not state whether every Ventura County account has the same statement date.
- Rate structure
- California Public Utilities Commission-regulated metered retail water service; charges vary by Ventura County tariff, meter/service area and consumption. The reviewed customer pages do not reproduce the complete 2026 Las Posas residential rate table or drought surcharge schedule.
- Wastewater and sewer calculation
- California American Water may bill water and wastewater depending on the service arrangement, but its leak-adjustment instructions warn that if another organization provides wastewater, that organization must handle a wastewater adjustment based on recorded water use. The reviewed Ventura County pages do not state a winter-average formula or flat sewer percentage for CA5610040.
- Meter reading
- MyWater lets customers view water usage, compare neighborhood usage and receive alerts. The California American Water site separately publishes AMI meter information, but the reviewed pages do not verify the specific AMI/AMR deployment, transmission interval or fixed reading schedule for the CA5610040 Las Posas/Thousand Oaks service area.
Context, not a score
How documentation coverage compares
This profile
57%
overview fields with research notes
California
67%
records with any overview detail
National index
50%
records with any overview detail
Coverage measures what this directory documented. It does not measure service quality, affordability, or regulatory compliance.
Research record
Partial public detail found
4 of 7 fields in this section contain provider-specific public detail in dataset August 1, 2026.
Documented
57%
Details not confirmed in the reviewed public material
- Residential cost reference
- New-account deposit
- Activation or transfer fee
“Not confirmed” means the directory did not identify a dependable public statement. It does not mean the provider has no policy or option.
Primary verification routes
- California American Water Company - Ventura County District (CAL AMERICAN WATER CO) public website ↗
Provider-controlled destination used to confirm current customer instructions.
- amwater.com reference ↗
Public URL preserved in the compiled record. Confirm its publisher, date, and applicability before relying on it.
- EPA SDWIS / ECHO lookup (CA5610040) ↗
Search the federal drinking-water database using public water system ID CA5610040.
