Tours & Events

irrigation workshop flyer
Water and Irrigation Workshop
Tuesday, August 20
5:30 p.m. to 8:30 p.m.

Learn all about efficient irrigation practices at this free three-hour workshop. Topics include soil analysis, the anatomy of your irrigation system, designing the best irrigation system for your landscape, DIY upgrades, available rebates, and more. The workshop will be held at Encinitas Community Center 1140 Oak Crest Park Drive. Registration is required.

water treatment plant operator removing fouled membranePublic Tour
Thursday, September 12
8:00 a.m. to 12:00 p.m.

Join us for a behind-the-scenes look at OMWD facilities including David C. McCollom Water Treatment Plant, Elfin Forest Recreational Reserve, and 4S Ranch Water Reclamation Facility. Registration is required.

WaterSmart Landscape Design for Homeowners Workshop
Thursday, October 3

This FREE three-hour workshop will discuss the step-by-step process of transforming your yard into a water-efficient landscape. A local landscape architect will cover topics including design ideas, soil analysis, plant selection, and efficient irrigation. The workshop will be held at at San Diego Botanic Garden on Thursday, October 3, from 5:30 p.m. to 8:30 p.m. Registration is required.

lady holding worms and dirtBackyard Composting and Vermicomposting Workshop
Tuesday, October 8

What is composting, why is it so important, and just how do you do it? Learn the answers to all those questions and more at our free Backyard Composting and Vermicomposting workshop held in partnership with the Solana Center. This event will take place at Elfin Forest Recreational Reserve, located at 8833 Harmony Grove Road in Escondido from 5:30 p.m. to 7:30 p.m. Registration is required.

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.

Facility Tours


OMWD offers tours of its facilities, including 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 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

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.

Upcoming Tours
September 12
October 10

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

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 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.

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.