Events

Water Use Surveys (FREE)

Thursday, April 23, 2026 6:00 pm

Add to Calendar Apr. 23, 2026 6:00 pm Apr. 23, 2026 7:00 pm America/Los_Angeles Water Use Surveys (FREE) This FREE indoor/outdoor water survey may be conducted in-person or virtually.  Registration is required, click here. In-Person Survey: requires the presence of the homeowner or someone over the age of 18. Virtual Survey: is conducted with the assistance of the homeowner. WiFi/internet connection is required and the homeowner will need to have an electronic device such as phone or tablet. To participate, the property must be located within the city of Diamond Bar, Walnut, Pomona, Industry, West Covina, and Rowland Heights. Only one survey per property may be conducted. Surveys are scheduled on a first-come, first-serve basis. Funding is limited…

Your Home or Business

This FREE indoor/outdoor water survey may be conducted in-person or virtually. 

Registration is required, click here.

  • In-Person Survey: requires the presence of the homeowner or someone over the age of 18.
  • Virtual Survey: is conducted with the assistance of the homeowner. WiFi/internet connection is required and the homeowner will need to have an electronic device such as phone or tablet.
  • To participate, the property must be located within the city of Diamond Bar, Walnut, Pomona, Industry, West Covina, and Rowland Heights.
  • Only one survey per property may be conducted.

Surveys are scheduled on a first-come, first-serve basis.

Funding is limited and submitting an application does not guarantee a survey will be provided.

What to Expect

Indoor

  • Indoor device information: make, model, age, water factor, water use.
  • Observation of problems with indoor devices including but not limited to leaks, damage, and inefficient use.

Outdoor

  • Evaluation of water meter to check for leaks.
  • Providing controller information: number of controllers, make, model, age, number of stations in operation, program by station.
  • Zone/station information: plant material, sprinkler type, micro-climate, and slope conditions.
  • Observation of irrigation problems by zone including valve malfunctions, pressure, sprinkler alignment, drainage, leaks, compaction, runoff, and other conditions that reduce irrigation efficiency or indicate overwatering. Observations shall be made before, during, and after each controller station is operated. Auditor will provide training to the customer or landscape maintenance personnel during the virtual site visit and provide instruction on programming and operating the controller(s).

Participants will receive a written report that includes:

  • Data collected during the survey.
  • Leak information and the site’s irrigation efficiency including system repairs, equipment updates, and irrigation scheduling.
  • Information about available financial incentives to help with the cost of recommended improvements.

Rain to Roots: Water for Your Garden

Tuesday, October 14, 2025 5:00 pm

Add to Calendar Oct. 14, 2025 5:00 pm Oct. 14, 2025 6:15 pm America/Los_Angeles Rain to Roots: Water for Your Garden Learn how to turn rain into a resource! This class explores the best management practices for capturing rainwater in the landscape using both passive and active methods. Whether you’re planning a rain garden, swales, or storage tanks, we’ll help you make informed, practical decision for your site.

Online Meeting

Learn how to turn rain into a resource! This class explores the best management practices for capturing rainwater in the landscape using both passive and active methods. Whether you’re planning a rain garden, swales, or storage tanks, we’ll help you make informed, practical decision for your site.


Irrigation & Controller Basics: Smart Watering

Wednesday, October 15, 2025 5:00 pm

Add to Calendar Oct. 15, 2025 5:00 pm Oct. 15, 2025 6:00 pm America/Los_Angeles Irrigation & Controller Basics: Smart Watering Take the guesswork out of irrigation! Whether you’re a beginner or looking to refresh your skills, this course offers a comprehensive introduction to irrigation systems, controller programming, and water-use efficiency. Participants will learn how to optimize water use, improve plant health, and reduce runoff by understanding the relationship between soil, water, and system performance.

Online Meeting

Take the guesswork out of irrigation! Whether you’re a beginner or looking to refresh your skills, this course offers a comprehensive introduction to irrigation systems, controller programming, and water-use efficiency. Participants will learn how to optimize water use, improve plant health, and reduce runoff by understanding the relationship between soil, water, and system performance.


Drip Irrigation: Maintenance & Troubleshooting

Thursday, October 16, 2025 5:00 pm

Add to Calendar Oct. 16, 2025 5:00 pm Oct. 16, 2025 6:00 pm America/Los_Angeles Drip Irrigation: Maintenance & Troubleshooting Did you know poor irrigation practices are the #1 reason plants fail? Learn how to keep your landscape thriving by making your drip irrigation system more efficient and reliable.

Online Meeting

Did you know poor irrigation practices are the #1 reason plants fail? Learn how to keep your landscape thriving by making your drip irrigation system more efficient and reliable.


CA Friendly® & Native Plant Landscape Training

Wednesday, October 22, 2025 5:00 pm

Add to Calendar Oct. 22, 2025 5:00 pm Oct. 22, 2025 6:15 pm America/Los_Angeles CA Friendly® & Native Plant Landscape Training Transform your outdoor space into a beautiful, water-efficient landscape with our California Friendly® & Native Plant Landscape Training. This engaging and practical course introduces participants to the core principles of sustainable landscaping, tailored specifically for California’s unique climate and ecology.

Online Meeting

Transform your outdoor space into a beautiful, water-efficient landscape with our California Friendly® & Native Plant Landscape Training. This engaging and practical course introduces participants to the core principles of sustainable landscaping, tailored specifically for California’s unique climate and ecology.


Transforming Lawns: A Sustainable Approach

Tuesday, October 28, 2025 5:00 pm

Add to Calendar Oct. 28, 2025 5:00 pm Oct. 28, 2025 6:15 pm America/Los_Angeles Transforming Lawns: A Sustainable Approach Thinking about removing your lawn? Join us for a class on turf replacement where you’ll learn how to transform your yard into a beautiful, sustainable, and water-efficient landscape. This session covers everything from soil preparation and microclimates to site planning and irrigation strategies that support long-term conservation.

Online Meeting

Thinking about removing your lawn? Join us for a class on turf replacement where you’ll learn how to transform your yard into a beautiful, sustainable, and water-efficient landscape. This session covers everything from soil preparation and microclimates to site planning and irrigation strategies that support long-term conservation.


Garden Design Seminar

Wednesday, October 29, 2025 5:00 pm

Add to Calendar Oct. 29, 2025 5:00 pm Oct. 29, 2025 6:45 pm America/Los_Angeles Garden Design Seminar Ready to create a garden that’s both beautiful and climate-resilient? This design seminar will walk you through the process of planning a landscape that captures rainwater, conserves resources, and thrives with local conditions.

Online Meeting

Ready to create a garden that’s both beautiful and climate-resilient? This design seminar will walk you through the process of planning a landscape that captures rainwater, conserves resources, and thrives with local conditions.


Irrigation & Controller Basics: Smart Watering

Thursday, October 30, 2025 5:00 pm

Add to Calendar Oct. 30, 2025 5:00 pm Oct. 30, 2025 6:00 pm America/Los_Angeles Irrigation & Controller Basics: Smart Watering Take the guesswork out of irrigation! Whether you’re a beginner or looking to refresh your skills, this course offers a comprehensive introduction to irrigation systems, controller programming, and water-use efficiency. Participants will learn how to optimize water use, improve plant health, and reduce runoff by understanding the relationship between soil, water, and system performance.

Online Meeting

Take the guesswork out of irrigation! Whether you’re a beginner or looking to refresh your skills, this course offers a comprehensive introduction to irrigation systems, controller programming, and water-use efficiency. Participants will learn how to optimize water use, improve plant health, and reduce runoff by understanding the relationship between soil, water, and system performance.


Drip Irrigation: Maintenance & Troubleshooting

Thursday, November 13, 2025 5:30 pm

Add to Calendar Nov. 13, 2025 5:30 pm Nov. 13, 2025 6:30 pm America/Los_Angeles Drip Irrigation: Maintenance & Troubleshooting Did you know poor irrigation practices are the #1 reason plants fail? Learn how to keep your landscape thriving by making your drip irrigation system more efficient and reliable.

Online Meeting

Did you know poor irrigation practices are the #1 reason plants fail? Learn how to keep your landscape thriving by making your drip irrigation system more efficient and reliable.


Mulch Giveaway

Saturday, December 6, 2025 8:00 am

Add to Calendar Dec. 06, 2025 8:00 am Dec. 06, 2025 12:00 pm America/Los_Angeles Mulch Giveaway Join us for this free mulch giveaway! Mulch is available on a first come, first served basis. This is a self-serve event. Please bring your own containers and scoop your own mulch. Plastic bags are not recommended; use sturdy bins, buckets, or other reusable containers. No reservations will be accepted.

Diamond Bar High School, 21400 Pathfinder Rd., Diamond Bar

Join us for this free mulch giveaway!

    • Mulch is available on a first come, first served basis.

    • This is a self-serve event. Please bring your own containers and scoop your own mulch.

    • Plastic bags are not recommended; use sturdy bins, buckets, or other reusable containers.

    • No reservations will be accepted.


Rain Barrel Distribution Event

Saturday, December 6, 2025 9:00 am

Add to Calendar Dec. 06, 2025 9:00 am Dec. 06, 2025 11:00 am America/Los_Angeles Rain Barrel Distribution Event Prepare for the rainy season by purchasing a rain barrel! Orders will be available for pick up at this event. Check out the variety of barrels and accessories that Rain Barrels Internationals has to offer! PRE-PURCHASE IS REQUIRED. ORDER HERE For more details, call 919-602-6316 or email info@RainBarrelsIntl.com

Diamond Bar High School Parking Lot

Prepare for the rainy season by purchasing a rain barrel! Orders will be available for pick up at this event.

Check out the variety of barrels and accessories that Rain Barrels Internationals has to offer!

PRE-PURCHASE IS REQUIRED. ORDER HERE

For more details, call 919-602-6316 or email info@RainBarrelsIntl.com


Drip Irrigation: Maintenance & Troubleshooting

Thursday, April 23, 2026 6:00 pm

Add to Calendar Apr. 23, 2026 6:00 pm Apr. 23, 2026 7:00 pm America/Los_Angeles Drip Irrigation: Maintenance & Troubleshooting Did you know poor irrigation practices are the #1 reason plants fail? Learn how to keep your landscape thriving by making your drip irrigation system more efficient and reliable.

Online Meeting

Did you know poor irrigation practices are the #1 reason plants fail? Learn how to keep your landscape thriving by making your drip irrigation system more efficient and reliable.