Private Investor-Owned Utility
California American Water Company - Ventura County District (CAL AMERICAN WATER CO)
Serving Las Posas / Thousand Oaks area, Ventura County
Population served
66,809 people (California SDWA record for CA5610040; the system is identified in the State record as Las Posas/Thousand Oaks, Ventura County)
State system code
FIPS 06
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.
Provider briefing
How this utility’s billing works
California American Water Company - Ventura County District (CAL AMERICAN WATER CO) operates as a private investor-owned utility serving Las Posas / Thousand Oaks area, Ventura County. Customers should use the provider’s current account-specific bill and official customer-service instructions as the final authority for deadlines, balances, and service requests.
The published water-rate framework is described as 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.. Bills are generated 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., and a typical residential cost reference is A dedicated this detail was not publicly posted. The reviewed official California American Water pages do not expose the complete current CA5610040 5,000-7,000 gallon water-and-wastewater calculation.. These descriptions are useful planning benchmarks; actual charges can change with meter size, usage, sewer averaging, local taxes, drought stages, or account-specific fees.
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 and infrastructure notes
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.
Emergency water support
Report a leak or water emergency
1-888-237-1333, available 24/7 for water emergencies; non-emergency customer service is Monday-Friday 7:00 a.m.-7:00 p.m.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Las Posas / Thousand Oaks area, Ventura County
California American Water Company - Ventura County District (CAL AMERICAN WATER CO) is listed here as a private investor-owned utility. The profile separates account actions—such as paying a bill or requesting service—from explanatory material about rates, meters, wastewater, leaks, and delinquency.
Because utility rules can vary by account class, meter size, service address, billing date, and local ordinance, treat the published bill and current provider website as the final authority. Use this profile to locate the correct channel and prepare better questions for customer service.
If your issue is urgent, start with the provider’s emergency number or official payment route rather than waiting for an email response. Keep a written record of calls, confirmation numbers, notice dates, and documents you submit.