The Irrigation Association is a trade association of about 1800 companies in the agriculture and landscape industries.^[1]: 765 It was established in 1949.^{[citation needed]}

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Certified irrigation designers with a specialty in sprinkler, surface or drip-micro qualify to become Technical Service Providers for U.S. Department of Agriculture (USDA) projects through the Natural Resources Conservation Service.^[2]

In September 2010, the Irrigation Association began offering computer-based testing for certification exams.^[3]

In 2010 the association named July "Smart Irrigation Month" in order to promote water conservation in that month.^[4] John Linder submitted a resolution to Congress in support of the initiative.^[5]