Irrigation-well development in the Kansas River basin of eastern Colorado

Cardwell, W.D.E.

doi:10.3133/cir295

Cited by 7 publications

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“…The geology and ground-water resources of Washington County were first described by Darton (1905) as a part of a comprehensive report of the central Great Plains. Cardwell (1953) discussed the area in a reconnaissance of irrigation-well development in the Kansas River basin of eastern Colorado. The part of Washington County that lies in the South Platte River valley was studied in detail by Bjorklund and Brown (1957), and the northeastern part of the county INTRODUCTION FIGURE 2.…”

Section: Previous Investigationsmentioning

confidence: 99%

Geology and ground-water resources of Washington County, Colorado

McGovern¹

1964

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Washington County, in northeastern Colorado, has an area of 2,520 square miles. The eastern two-thirds of the county, part of the High P'ains physiographic section, is relatively flat and has been moderately altered by the deposition of loess and dune sand, and by stream erosion. The western one-third is a part of the South Platte River basin and has been deeply dissected by tributary streams. The soils and climate of the county are generally suited fo" agriculture, which is the principal industry. The rocks that crop out in the county influence the availability of ground water. The Pierre Shale, of Late Cretaceous age, underlies the entire area and ranges in thickness from 2,000 to 4,500 feet. This dense shale is a harrier to the downward movement of water and yields little or no water to wells. The Chadron Formation, of Oligocene age, overlies the Pierre Shale in the northern and central parts of the area. The thickness of the formation ranges from a few feet to about 300 feet. Small to moderate quantities of water are available from the scattered sand lenses and from the highly fractured zones of the siltstone. The Ogallala Formation, of Pliocene age, overlies the Chadron Formation and in Washington County forms the High Plains section of the Great Plains province. The thickness of the Ogallala Formation ranges from 0 to about 400 feet, and the yield from wells ranges from a few gallons per hour to about 1,500 gpm. Peorian Loess, of Pleistocene age, and dune sand, of Pleistocene to Recent age, mantle a large part of the county and range in thickness from a few inches to about 120 fee4:. Although the loess and dune sand yield little water to wells, they absorb much of the precipitation and conduct the water to underlying formations. Alluvium, of Pleistocene and Recent age, occupies most of the major stream valleys i^ thicknesses of a few feet to about 250 feet. The yield of wells tapping the alluvium ranges from a few gallons per minute to about 3,000 gpm, according to the thickness of saturated material. Development of ground water for irrigation has been generally restricted to the South Platte, Arikaree, and Beaver valleys. There were 134 irrigation wells, 3 industrial wells, and 10 municipal wells in the county in 1959. The annual groundwater pumpage from Washington County is estimated to be 18,000 acre-ft; about 10,000 acre-ft is from the High Plains groundwater province. Although some ground water enters the county as underflow, most of the recharge to groundwater reservoirs is from precipitation on the land surface. Recharge to the Ogallala Formation in the county is assumed to be approximately equal to the natural discharge from the county by underflow because groundwater withdrawals are from storage, and no other significant amount of natural discharge is apparent. Underflow in the Ogallala was calculated to be 83,000 acre-ft per year and the rate of recharge from precipitation to be about 2 GEOLOGY, GROUND WATER, WASHINGTON COUNTY, COLO. 0.95 inch per year. Neither recharge nor discharge was calculate...

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Section: Previous Investigationsmentioning

confidence: 99%

Geology and ground-water resources of Washington County, Colorado

McGovern¹

1964

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“…The geologic formations were described in detail by Elias (1931) in his report on the adjoining area in Wallace County, Kans. The availability of ground water in the northeastern part of Cheyenne County was discussed by Cardwell (1953) in a report on the irrigation-well development in the Kansas River basin of eastern Colorado. Studies Wells and test holes referred to in this report have been assigned numbers acording to the Bureau of Land Management's system of land subdivision.…”

Section: Pbevtous Investigationsmentioning

confidence: 99%

Geology and ground-water resources in eastern Cheyenne and Kiowa Counties, Colorado

Boettcher¹,

Horr²

1964

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Method of investigation.________________________________________ 3 Well-numbering system___________________,____________________ 3 Acknowledgments. ____________________________________________ 4 Geography______________________________________________________ 4 Topography and drainage._____________________________________ 4 Climate._____________________________________________________ Cultural development-_________________________________________ 6 Geology-_________________________________________________________ General features_____________________________________________ 7 Niobrara Formation.-________-____-__-_______-____-__-_-_ Pierre Shale_________________________________________________ Ogallala Formation.___________________________________________ Alluvium.____________________________________________________ 10 Ground water_____________________________________________________ Occurrence ___________________________________________________ Hydrologic properties of water-bearing materials_____-_-_-______ 11 Configuration of the water table_________________________________ Depth to water______________________________________________ Thickness of saturated materials_______________________________ Natural recharge and discharge________________________________ Water-level fluctuations._______________________________________ Utilization of water________________________________________________ Domestic and stock____________________________________________ Irrigation __ _________________________________________________ Municipal____________________________________________________ Chemical quality of the ground water, by C.

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“…The use of ground water for irrigation within the study area has been described by Cardwell (1953), Cardwell and Jenkins (1963), Boettcher (1966), Luckey (1973), Leonard and Huntoon (1974), Luckey and Hofstra (1974), the U.S. Bureau of Reclamation (1974), Lappala (1976Lappala ( ,1978, and Goeke and others (1992). Cardwell and Jenkins (1963) Ground-water modeling studies have been used to provide information on the hydrogeologic system and on possible future effects of ground-water irrigation on water levels and streamflows.…”

Section: Previous Studiesmentioning

confidence: 99%