WAcequia Madre
WAlamo Canal
WAll-American Canal
WBighorn Ditch Headgate
WCentral Valley Project
WCoachella Canal
WColumbia Basin Project
WConservation Effects Assessment Project
WCrow Creek Water Ditch
WDelta Cross Channel
WDelta–Mendota Canal
WEspada Acequia
WFriant-Kern Canal
WMiddle Rio Grande Project
WNational Irrigation Congress
WOrbit Irrigation Products
WPick–Sloan Missouri Basin Program
WSmith's Irrigation Ditch
WToro (company)
WYuma Project
WZanja Madre