Ventura Conservation and Rebates Information Welcome to the California American Water’s Ventura County service area Website. We currently provide conservation services and devices to over 62,000 residents in the Thousand Oaks and Las Posas service areas. Please click on the below links for specific conservation infomation. We hope you enjoy your visit. Don’t see what you’re looking for? Contact the Ventura County conservation office and we’ll be glad to help you out. Ventura County Conservation Office: 805-498-1266, ext. 2809 Customer Service Center: 888-237-1333 2439 W. Hillcrest Dr. Newbury Park, CA 91320 Click on the map for directions.
 Local area

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