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S-2 I I I I I I I I I I I I I I I I I I 1 PROJECT PLAN The Amity Mutual Irrigation Company has prepared a Project Improvement Plan for upgrading and rehabilitating the 80-year old Amity Canal Sys- tem which consists of the Amity Canal and river diversion, Kicking Bird Canal, Pawnee Canal, Satanta Canal, Comanche Canal, and Great Plains Reservoirs. The proposed improvements will increase water yield and efficiency, increase structural life, maximize use of available water under AMIC water rights for optimum crop production and provide water equitably to all users. improve overall system operation, repair and replace badly deteriorated structures, restore design capacities, and reduce seepage losses. The system improvements consist primarily of structure rehabilitation. Twelve structures will be replaced. two new structures will be added to the system and 28 structures will be rehabilitated. The reconstruction of the Big Sandy Creek Diversion Structure will increase water supply, The improvements and rehabilitation of the structures will reduce water losses and increase system reliability, New equipment and a new office/maintenance building will improve main- tenance efficiency and therefore system reliability, PROJECT COSTS Construction and related project costs are shown on Table 1, LAND Land Classification Land within the Amity service area has a history of productivity under irrigation, Approximately 48,700 acres are classed as irrigable and about 35,000 acres were irrigated in 1978, About 25.300 acres of Class 6 lands are located in the service area, Land Use About seventy percent of the irrigable lands within the service area have been irrigated in the past. In 1978, seventy-two percent were ir- ri9ated. The following table shows the cropping patterns for 1967 and 1978. Cropping patterns are not expected to vary significantly during the loan period.