More and Better Uses Could Be Made of Billions of Gallons of Water by Improving Irrigation Delivery Systems
CED-77-117: Published: Sep 2, 1977. Publicly Released: Sep 2, 1977.
- Full Report:
Agricultural irrigation uses 83 percent of water consumed in the United States. Large amounts of water transported to farms are wasted annually because of inefficient delivery systems which seep water.
The seepage problem exists throughout the West and causes a loss of water for beneficial purposes. Federal projects supply water to only about one-fifth of the total irrigated western lands and, therefore, cooperation among state, local and federal agencies is necessary to lessen seepage. In 1975, the Bureau of Reclamation reported a loss of 2,600 billion gallons of water during delivery, primarily through seepage. Federal agency programs related to this problem are not specifically designed or administered to effectively deal with it. Since the Department of the Interior accounts for 90 percent of federal financial involvement in projects involving irrigation, it should take the lead in promoting better management practices in this area. A program for improved water conveyance systems should be designed to: (1) improve the accuracy of reported seepage data; (2) consider overall basinwide effects of conveyance system improvements, including more definitive criteria for selecting the systems to improve; and (3) identify and resolve institutional and legal constraints hampering improvements to water conveyance systems.
Recommendation for Executive Action
Comments: Please call 202/512-6100 for additional information.
Recommendation: The Secretary of the Interior should take the lead in identifying all aspects of the water conveyance system problem and devising a comprehensive action program to improve system efficiency. Interior should direct the interagency task force which is being established to consider solutions to inefficient irrigation practices to also consider solutions to inefficient conveyance systems, including the development of coordinated federal, state, and local objectives, policies, and action plans.