Speakers | Rainwater

Why We Present

Our goal is to educate Comal County residents and organizations on the latest techniques for collecting and storing rainwater, to promote water conservation and environmentally sound methods of landscaping, and to encourage business models encouraging rainwater harvesting.

Need A Speaker for your meeting?

Steven and Larry provide informative conversations and engaging presentations about rainwater collection options to individuals, neighborhood and business associations, civic groups, and community organizations. Want to know about rain catchment alternatives, filtration, or water availability issues? We will, without charge, speak to you or your group about any rain harvesting topic from rain capture to water-conserving fixtures. Choose the topic of your choice and we'll tailor the presentation to fit your needs. Here's how it works:

Browse this website to find a program topic you'd like to know more about.
Request a speaker by completing the form to the right.

Looking for a series of topics to fill your annual calendar? With more than xx topics, we've got you covered. Contact us to learn more.

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Roofwater Harvesting - The Basics

Collecting Rainwater in the Landscape

Passive and Active Systems; Storage, and Distribution

Rainwater Collection and Storage System for Homes

Rainwater Ponds for Aquifer Recharge

Recharge, Retention and Reuse

Rain Collection, Conveyance, Storage, Distribution, & Use

Rain Harvesting for Gardens

. . . your topic of interest

Recent Presentations

Dr. Steven Grainger and Dr. Larry Sunn have spent much of their careers teaching in a university or training environment; both have discovered the sheer joy of passing along meaningful information that helps enhance others' life. Some presentations delivered by Grainger and Sunn consultants include:

The Complexities of Local Groundwater - Comal County Conservation Alliance; Larry
Water Conservation and Harvesting Rainwater - Garden Ridge Library; Steven
The Trinity Aquifer & Why We Suck - Master Gardeners, Tye Preston Library; Larry
Brain Preference - BSB Chamber of Commerce; Larry
Rainwater Harvesting - New Braunfels Library; Steven
Avoiding Death by PowerPoint - CISD Emerging Leaders; Larry
Rain Harvesting Basics - 5 Comal County Libraries (click here for presentation PDF)
Rain Harvesting Basics - Watch the 58 minute video (click here)

"A teacher is one who makes himself progressively unnecessary."

–Thomas Carruthers

Upcoming Presentations

Feb 13, Larry and others are making a CTGCD presentation to BSBCR on the Trinity Aquifer’s stress level status.

Feb 22, the RainBee Team will be conducting the official class segments on Rain Harvesting and Efficient Irrigation for the 2023 Comal Master Gardener Class in New Braunfels.

Feb 28, the RainBee Team will be conducting the official class segments on Rain Harvesting and Efficient Irrigation for the 2023 Guadalupe County Master Gardener training class in Seguin.

Mar 20, Larry will be speaking to a Bulverde St. Paul’s Lutheran Church Women’s group on a water topic TBD.

Apr 15, Mystic Shores Home Owners Monthly Gathering. Time TBD. We will demonstrate rain barrel and IBC tote construction. Already have commitments to buy 20 barrels.

Apr 22, Spring Alive Fest at Ace Hardware in Sattler. 10:00-2:00. Rain barrel demonstrations and water conservation information handouts.

Apr 29, Comal County AgriLife Open House. 9:00-1:00

We will demonstrate: 1) importance of water conservation, 2) why rain harvesting is a better long term solution to residential water demands than aquifer wells, 3) rain barrel construction, 4) wicking barrel construction, 5) rain tank selection methodology, 6) efficient irrigation methods.

May 10, a noon Lunch and Learn at the Guadalupe County AgriLife office in Seguin on Rain Harvesting

May 18, a presentation on the Trinity Aquifer’s stress level at Vintage Oaks Community Center.

Oct 28, Garden Ridge Library rain Harvesting.