Tours & Events

OMWD is committed to educating the public about water issues and the importance of conserving our most precious resource. Visit the upcoming events page for occurrences beyond the standard programs listed here.

Facility Tours

OMWD offers tours of its facilities, including the Elfin Forest Recreational Reserve,  David C. McCollom Water Treatment Plant and the 4S Ranch Water Reclamation Facility several times a year. Please note that Olivenhain Dam and Olivenhain Reservoir are owned by the San Diego County Water Authority; please contact the Authority for tour opportunities.

Elfin Forest
Recreational Reserve

4S Ranch Water
Reclamation Facility

OMWD currently collects wastewater from the 4S Ranch and Rancho Cielo areas, which enters the recycling process at the 4S Ranch Water Reclamation Facility, located at 16595 Dove Canyon Road in San Diego.



David C. McCollom
Water Treatment Plant

Tour Schedule

Tours begin at 8:00 a.m. and end at approximately noon. Reservations must be made by noon on the Monday prior to the scheduled tour date and all attendees must complete a tour release form. Tours may be canceled or closed depending on the level of participation. For safety reasons, tours are not held during inclement weather. Although this is a shuttled tour, there is some walking and stair climbing required, so we recommend wearing comfortable, closed-toe shoes, and loose clothing.  It is also suggested that attendees bring a hat, light jacket, and camera.

Tours are scheduled for the second Thursday of January, April, July, and October. Please register by selecting a tour date below. All attendees will need to submit a signed tour release form.

July 13, 2017
October 12, 2017

For more information, please call 760-632-4641.


1Water Efficient
Landscape Workshops

OMWD sponsors several free landscape workshops each year that are listed on our upcoming events page. Our resources page has information on free online workshops, other agency workshops, demonstration gardens, and more.


Find great examples of beautiful landscapes that require less water by visiting the annual California-Friendly Landscape Contest website.

School Programs

Children in school today are the leaders of tomorrow. OMWD realizes the important role these children will play in future decisions on growth, policies, and water resources. For more information on free education programs within OMWD’s service area, including auditorium performances and custom classroom presentations, visit our schools page.

4Speaking Engagements &
Public Appearances

OMWD employees provide outreach services throughout the year and are able to deliver presentations, facilitate discussions, and provide general information about water issues for groups, civic organizations, and associations.

5Visit Our

OMWD’s lobby hosts a small library of material on gardening, irrigation, water conservation, and water industry news. Drop by when you pay your bill or are in the neighborhood.