Coronavirus (COVID-19): The health and safety of our staff and customers are top priority.  Please note the District offices will be closed to customers until further notice. Lake Casitas Recreation Area is closed to vehicles, camping, and boating from March 23, 2020 - April 19, 2020 (including Easter 4/12/19). 

We are here to serve you, and we request that all business be conducted via Internet or phone.  More information is found here.

Your tap water remains safe to drink. Additional information regarding drinking water safety is found here 


Adjudication Update: Scroll down for a new link to information on the City of San Bueneventura's Groundwater Basin Adjudication (see yellow button).

Contact Us

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Casitas Municipal Water District - Office

Address:  1055 Ventura Ave. Oak View, CA 93022

General Phone: (805) 649-2251

For Utility Services only, please dial Extension 0. 

Fax: (805) 649-4485



Lake Casitas Recreation Area

Address: 11311 Santa Ana Road. Ventura, CA 93001

General Recreation Area Information: (805) 649-2233

Recreation Area Reservation Phone: (805) 649-1122

Recreation Area Reservation Fax: (805) 649-4661



Report a water leak

Report a water waste 



Media inquiries and speaker requests

For Public Affairs and Media Inquiries, please contact Kelley Dyer at or at (805) 649-2251 extension 150. 


Non-urgent questions or comments for the District?

The District would love to hear from you. Please use this form to contact us regarding non-urgent District issue such as website errors, suggestions, and feedback. Thank you!