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16 l\:) (...J W 0) The Coordinating Committee and Technical Review Draft of the Report was completed and distributed for review and comment in November 1979. Comments were incorporated into the Interagency Review Draft and the draft distributed to State and Federal agencies, local landowners, and interested organizations and individuals on March 14, 1980, for their review and comment. The Interagency Review period was over on April 28, 1980. " " Interagency Review comments have been incorporated and the final report is nearly ready for printing. It is anticipated that distribution of the report can be made by late December 1980. It is anticipated that in the next 6 months the SCS will be working with personnel from the State of Wyoming and the WPRS in the formulation of off-farm alternative plans. SCS will supply pertinent information developed during their onfarm studies. McELMO CREEK - COLORADO Field inventories are generally complete. A determination of wildlife habitat values using the "HEP" procedures is underway with WPRS leadership. Sample locations for collecting habitat value information have been selected. Field data collection will be completed in November 1980. An inventory of wetlands has been completed. An inventory of the laterals has been completed. This data is being analyzed to determine what areas can be supplied with gravity pressure sufficient to operate sprinkler systems. Preliminary farm data indicates that the most efficient way to improve onfarm irrigation systems in the area is to convert them to sprinklers. Development of farm budgets is underway. Work in the next six months will include an analysis of the inventory data. Water and salt budgets will be prepared. The draft study report is due by September 30, 1981. PRICE - SAN RAFAEL RIVERS - UTAH Irrigation field tests were conducted in the late 1979 irrigation season and during the 1980 irrigation season. A representative cross section of soils, crops, and irrigation methods has been evaluated by these tests. Results will be used to verify onfarm irrigation efficiencies for use in the water budgets. However, intake rates were found to vary from existing irrigation guide curves for the tested soils. Electrical conductivity has been measured on the water entering and leaving a number of irrigated fields. Conductivity increases ranged from zero to about ten percent as the water flowed across the fields. This indicates, as expected, that most salt does not come from surface runoff, but from the water that perCOlates below the root zone and reenters the drainageways.