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Cooperative Agreement or the first increment of the program.4 Some opportunity exists for the <br />development of new water - intensive industries in Jackson County, such as pulp mills or coal <br />slurry pipelines, though no specific plans are in place. The parties to the Cooperative Agreement <br />agree that municipal and industrial water uses associated with new population growth and new <br />industrial development over July 1, 1997 levels will constitute new water related activities. <br />Piscatorial, wildlife, and other environmental uses implemented on or before July 1, 1997 will <br />constitute existing uses. Any uses for those purposes implemented after July 1, 1997 will <br />constitute new water related activities. <br />D. New Water Related Activities <br />For purposes of the Program Cooperative Agreement, the parties hereby agree to the following: <br />1. Agricultural Water Use: Depletions associated with irrigation' of between 134,468 and <br />145,000 acres will constitute new water related activities. The parties agree that net <br />depletions (diversions less return flows) associated with irrigating additional acres as <br />measured at the Colorado — Wyoming stateline equal .83 acre -feet per acre during the <br />irrigation season. <br />2. Municipal and industrial uses: Municipal and industrial uses associated with population <br />growth in Jackson County over the population baseline constitute new water related <br />activities. For purposes of calculating depletions associated with these new water related <br />activities, gross municipal and industrial water uses is assumed to be .25 acre -feet per <br />capita per year. Consumptive use is 35% of gross water use, unless otherwise reported to <br />the Governance Committee by the State of Colorado. The parties agree that the monthly <br />distribution of the depletive effect of this municipal and industrial water use is the same <br />as that defined for the South Platte Basin, unless otherwise reported to the Governance <br />Committee by the State of Colorado.5 <br />4 Jackson County's population increased from 1605 residents in 1990 to 1788 residents in 1998, an annual increase <br />of 1.3 %. Over a thirteen year first period covered by the Program's first increment, Jackson County's population <br />would grow to 2150 (assuming present annual growth rates), a difference of 379 residents. <br />5 These South Platte River Basin derived assumptions probably significantly overstate actual M &I water use in <br />Jackson County. The gross M &I consumptive use assumption of .25 acre -feet per year is probably high because <br />lawn irrigation is less prevalent in Jackson County than in the South Platte River Basin. The actual monthly <br />distribution of the depletive effects associated with M &I use in Jackson County is probably different than that of the <br />South Platte Basin, since Jackson County's higher elevation and shorter, cooler summers limit lawn irrigation to a <br />shorter time period than occurs in the South Platte Basin. Thus, M &I uses in Jackson County are likely to produce <br />fewer depletions during the months of shortage to target flows at Grand Island in comparison with M &I uses in the <br />South Platte Basin. However, in the absences of specific data, Colorado agrees to apply South Platte Basin <br />assumptions to M &I use in Jackson County. <br />-29- <br />