Gilbert’s Free Water Classes Teach You to Read Your Meter, Catch the Rain and Finally Tame the Irrigation Timer

Most East Valley homeowners have a box on the garage wall that decides how much water their yard gets, and a lot of them have not touched it since the day they moved in. Gilbert’s water conservation staff want to change that, and they are offering four free evenings and mornings this November to do it.

Gilbert Water Conservation’s Fall 2026 Residential Workshops opened Oct. 29 with a class on hummingbird and butterfly gardens. Four more sessions remain, all in the Shakespeare Room at the Maricopa County Library District’s Southeast Regional Library, 775 N. Greenfield Road in Gilbert. Each one is free. The town posts the series on its water conservation page, and individual sessions are listed for registration on Eventbrite under the organizer name Gilbert Water Conservation. According to those listings, everyone who attends in person gets a water conservation T-shirt.

The topics build on each other, from understanding where water goes inside the house to programming the timer that sends it out to the yard. Taken together, they amount to a short course in running a desert landscape on purpose instead of on autopilot.

Nov. 5: Find the Flow

The first remaining class, “Find the Flow: Understanding Your Home’s Water Use,” meets Thursday, Nov. 5, from 6:30 to 8 p.m. The town describes it as a walk through typical indoor and outdoor water use, with instruction on how to read your water meter and simple steps to check for leaks. It is pitched at “anyone looking to become more confident in maintaining a water-smart household.”

That may sound basic, but the meter is the one tool every household already owns that tells the truth about water use. Learning to read it is the difference between guessing that something is wrong and knowing it. A toilet that runs quietly or an irrigation line cracked under the gravel shows up on the meter long before it shows up on the bill.

Nov. 7: Rainwater Harvesting

On Saturday, Nov. 7, from 10:30 a.m. to noon, the series turns to rainwater harvesting. The town’s description makes a point many desert homeowners have never thought about: most yards are graded to move rainwater away as fast as possible. That is the right instinct near the foundation of a house, but it sends free water into the street.

“Learn how to keep the right amount of water in your yard after the rain so you can run your irrigation even less often,” the class listing says. It ends with a line that sums up the appeal: “Did we mention that rainwater is free?”

In the low desert, rain arrives in a handful of storms rather than a steady season, so the goal is less about filling barrels and more about shaping the ground so the water that does fall soaks in where plants can use it. The class is a chance to ask how that works on an ordinary lot with gravel, a block wall and a few trees.

Nov. 12: Landscape Watering by the Numbers

The Thursday, Nov. 12, class, from 6:30 to 8 p.m., takes on the question that stumps most people with a drip system. “For many people figuring out how much to water their landscape is a mystery,” the town writes. “How much is enough? How much is too much?”

The session is meant to help residents give plants and lawns the right amount of water through the system they already have, with the stated goals of keeping the landscape healthy and the water bill under control. The timing is useful. As days shorten and temperatures fall, a watering schedule set for September can quickly become more water than the yard needs, and fall is a sensible time to revisit the controller.

Nov. 21: Control Your Irrigation Controller

The series closes Saturday, Nov. 21, from 10:30 a.m. to noon, with the class most likely to pay off the same afternoon. “Control Your Irrigation Controller” is built around hands-on practice with actual irrigation timers.

“Those timers with the dials and buttons can be intimidating but once you learn how they operate them they’re very easy to program,” the listing says. Along with the basics, the class promises to cover some of the advanced functions that help “dial in the savings,” and to help residents keep summer water bills from “skyrocketing.”

If you plan to go, it may help to snap a photo of your own controller, including the brand and model, and of the programs currently set on it. Instructors can answer questions much more easily when they can see what you are working with.

Part of a wider effort

Gilbert’s classes also appear on the event calendar of Water – Use It Wisely, the Arizona water conservation campaign, which lists the town as organizer and links back to its workshop page. The same calendar shows similar classes elsewhere in the Valley this season, including a rainwater harvesting session in Mesa and a cacti and succulent care class in Buckeye. The SciTech Institute’s event calendar lists the Gilbert controller class under its East Valley programs as well.

For people who cannot make it to the library, the town’s page points to pre-recorded, full-length versions of earlier workshop series that can be watched at home. Questions can go to the town’s water conservation staff at Water.conservation@gilbertaz.gov.

The class listings do not mention a residency requirement. Residents of San Tan Valley, Queen Creek and other nearby communities who are interested should check the Eventbrite registration page for each session, since the town’s page does not say whether seats are limited.

While you are at the library

The Southeast Regional Library has another free gardening resource on its calendar the following day. Master gardeners hold an “Ask a Master Gardener” table there the first Friday of each month from noon to 2 p.m. The next one is Friday, Nov. 6. The library district’s listing invites questions about local gardening, insects and plants, and no registration is required. The library’s phone number is 602-652-3000.

Put together, the two programs cover a lot of what trips up desert gardeners in the fall. The Master Gardeners can help decide what to plant and what is eating it. The water conservation staff can help make sure it gets the right amount of water once it is in the ground.

How to sign up

Registration links for each session are on the Town of Gilbert’s Water Conservation Workshops page, under the Public Works department’s water conservation section at gilbertaz.gov, and on Eventbrite. All four classes meet in the Shakespeare Room at the Southeast Regional Library, 775 N. Greenfield Road. The Thursday sessions on Nov. 5 and Nov. 12 run from 6:30 to 8 p.m., and the Saturday sessions on Nov. 7 and Nov. 21 run from 10:30 a.m. to noon.

None of the four requires any equipment beyond curiosity, and the most likely outcome of a single evening is a yard that uses less water next summer without looking any worse for it. For a box on the garage wall that most people would rather ignore, that is a good return on 90 minutes.