Tours & Events

collage of images showing how to irrigate

Complimentary Water and Irrigation Workshop

November 6, 2023
5:00 p.m. to 8:00 p.m.

Encinitas Community and Senior Center

Registration Required Water and Irrigation: Utilizing a Precious Resource.

This free workshop starts at 5:00 p.m. providing residents strategies to use water resources wisely. It also includes integrating water use efficiency and stormwater capture elements into your landscape through simple irrigation system retrofits. Our landscape expert’s goal is to help you create a sustainable landscape.


image of San Diego Blood Bank socks being given away for donating blood

Register for OMWD’s October Blood Drive

October 25, 2023
9:00 a.m. to 2:30 p.m.

(The bloodmobile will be in our parking lot.)

Back by popular demand, we have a brand-new pair of limited-edition socks for anyone who donates during Socktober. Hurry and book your appointment, because these Day of the Dead socks are only while supplies last.

To register, call 619-400-8251 or visit

Current blood donation requirements can be found here.


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Elfin Forest Recreation Reserve
Interested in getting in touch with our local natural environment? OMWD’s Elfin Forest Recreational Reserve hosts talks, workshops, and educational hikes to nature lovers of all ages. Visit our Reserve’s events page for more information.

Regional Water Smart Events
Organizations throughout the county offer a variety of water-smart classes, workshops, and tours. Visit our water wholesaler’s event schedule for details.

Upcoming Three-Hour Virtual Workshops
Recordings of past workshops are available if you are unable to attend one of the virtual workshops.

Facility Tours

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

Elfin Forest
Recreational Reserve

David C. McCollom
Water Treatment Plant

4S Ranch Water
Reclamation Facility

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, some walking and stair climbing is 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.

Transportation capacity is limited to eight passengers and registration for all attendees and their guests is required. To register for a 2023 tour, select the desired date below.

October 12, 2023

All attendees will need to submit a signed tour release form. For more information, please email us or call 760-632-4213.

1Water Efficient
Landscape Workshops

OMWD sponsors several free landscape workshops each year that are listed on our events page.  For additional workshops, classes, and instructional videos, visit the WaterSmart San Diego website. 


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

3Speaking 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.