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I I I I I I I I I I I I I I I I I I I I I I 003250 Analysis of the irrigated land acreage figures of the several studies and reports indicate about 37,880 acres of land are irrigated at the present time by Pine River runoff. This is an increase of 16% in the twenty-six-year period of 1933-1959. stream runoff is diverted by two ditches and the water exported to the Rio Grande Basin. The Fuches Ditch exports runoff of the North Fork of the Pine River to Weminuche Creek, tributary to the Rio Grande. The Raber-Lohr Ditch exports runoff of Rincon la Vaca Creek to Weminuche Creek. The exported water is used in Colorado. The water exported by the two ditches in recent low runoff years is near double the average for the 1942-1956 period of higher runoff. This indicates the diversion capacity of the ditches has been in- creased in recent years. The communities of Bayfield and Ignacio, with a combined population of about 1,000 people use Pine River water. An estimate of the present stream depletion is given in the following Table XV. TABLE XV Total 49,200 Acre Feet 3,600 It It 5,200 It It 100 It It 58,100 Acre Feet Average annual stream depletion for irrigation.,. Average annual stream depletion by water exported (1)...........,..............,..... Average annual stream depletion by reservoir evaporation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Average annual stream depletion by municipal use. (1) The average annual water exported for the period 1953-1956 is used as the stream depletion by water exported from the basin. -24- .i