Resources & Studies

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.


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


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.

 Web Resources

Latest News

2018 Poster Contest FinalistsAbout 400 students entered the Water Awareness Poster Contest. Ten students have been recognized as finalists. Their posters move forward for a chance to be featured in the 2019 Water Awareness Poster Calendar published by the Metropolitan Water District of...
Ready, Set, QuakeCalifornia is earthquake country and you always want to be ready. IRWD suggests you enroll in the CodeRED® Emergency Alert System to receive updated information in any emergency. Just log on to and click “Emergency & CodeRED” in the...
Money-Saving Tesla Batteries Arrive at IRWD’s Water Recycling PlantA caravan of 18-wheelers and large hoisting cranes completed delivery on Tuesday of 75 high-efficiency Tesla batteries to the Michelson Water Recycling Plant, where they will be installed as part of Irvine Ranch Water District’s money-saving Energy Storage Program. For those...