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<br />GGHT) <br /> <br />5. <br /> <br />Box Elder Creek (District 1) <br /> <br />" <br /> <br />Box Elder Creek is normally dry in Adams County. A live <br />stream develops below the Denver- Hudson Canal which continues for <br />6 or 7 miles. In this reach there are several small-channel reservoirs <br />involving appropriations. Just above the Denver-Hudson Canal is <br />Bootleg Reservoir in which there are appropriative rights to flood <br />water. There is no gravity irrigation above this reservoir. <br /> <br />. <br /> <br />Overdevelopment in Adams County did not become apparent <br />until 1949. Expansion of use since that time has caused a constant lower- <br />ing of the water table reaching a maximum of about 15 feet. This is very <br />serious in this location as the original saturated depth was on the order <br />of 30 feet. A large part of the area is controlled by the Box Elder <br />Farms Company which is cognizant of the danger of total loss. A pumping <br />cut-back has been instituted by the company in the last two years. I <br />would consider all the ground-water development in the valley in Adams <br />County as having reached critical stage. <br /> <br />0, <br /> <br />Irrigation wells in the south 5 miles in Weld County are rather <br />numerous. These are under the Henrylyn system which during drought <br />periods suffers severely from short water supplies. In the 1950-56 <br />period pumping was very heavy and the water table dropped 5 to 15 feet. <br />This caused a serious reduction in well capacity. Since 1956 there has <br />been a recovery but the water table is not back to normal yet. <br /> <br />Ground-water development picks up about 8 miles north of Hudson <br />and continues to the end of the valley east of Kersey. Only the final 7 <br />miles are under canal irrigation. All the wells in this group showed a <br />continuous water-table decline in the 1952 -56 period. The group below <br />canal irrigation showed incomp lete recovery since 1956 but those above <br />continue to show a decline in the water table. Danger of overdevelop- <br />ment lies ahead for that area above canals. <br /> <br />Prospect Valley <br /> <br />A great amount of investigative work has been done in this <br />valley by C. S. U. and U. S. G. S. Reports are available by both these agencies. <br /> <br />" <br /> <br />" <br /> <br />Prospect Valley is the easternmost part of the Henrylyn Irri- <br />gation District. As previously mentioned, the water supply for the Dis- <br />trict is uncertain and often inadequate. Storage rights compo se most <br />of its supply and are of rather late date. Water was very short in the <br /> <br />- 5 - <br />