Resources & Studies

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Resources & Studies


Explore our large selection of useful conservation and water use efficiency publications and website links. Here you'll learn more about water resources, water use efficiency, irrigation research and suppliers, and how to be Always Water Smart.

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Research, Studies & Newsletters


California Single Family Water Use Efficiency Study  
IRWD Customer Newsletters  
IRWD Research Studies

 Finding a Landscape Contractor


California Landscape Contractors Association
Water Management Certification Program
Ewing Contractor Referrral Service    
Find an IA Certified Professional

 Irrigation Products Websites


RainBird
Toro
Hunter Industries
MP Rotator

 Local Retailers


Hydro-Scape Products  
Ewing Irrigation  
John Deere Landscapes
Irrigation Association

 
 Web Resources


OC Succulents
Be Water Wise: The Garden Spot 
UCI Arboretum: Local Source of California Friendly and Native Plants 
Master Gardeners of Orange County 
Orange County Native Plant Society  
Rancho Santa Ana Botanical Garden
Garden Web
Plant Encyclopedia   
California Invasive Plant Council:  Don’t invite trouble into your landscape.  Know before you buy.

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 Web Resources

Latest News

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Annual Cleanup Draws More than 150 VolunteersA trio of discarded bicycle frames, the tattered arm of an over-stuffed sofa, a weather-worn soccer ball and hundreds of discarded cigarette butts and snack wrappers were among the items found during this year’s Annual Watershed Cleanup Day event sponsored...
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A Refuge to Inspire Your LandscapeTake a trip to the San Joaquin Marsh and Wildlife Sanctuary—a hidden gem in Irvine. The RightScape demonstration garden surrounding the Visitors Center has more than three dozen plant varieties, each identified with a plant marker and QR code for...
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Happy to See Green? Thank Our Purple PipesLet’s be honest. We love our treelined streets, verdant medians and common areas that define the Irvine Ranch Water District. And while other communities are cutting back on their landscaping, ours continues to flourish. Since 1963, IRWD has been implementing a...