Geohydrology of alluvium and terrace deposits of the Cimarron River from freedom to Guthrie, Oklahoma
Water-Resources Investigations Report
95-4066
By: G. P. Adams and D. L. Bergman
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Abstract
Ground water in 1,305 square miles of Quaternary alluvium and terrace deposits along the Cimarron River from Freedom to Guthrie, Oklahoma, is used for irrigation, municipal, stock, and domestic supplies. As much as 120 feet of clay, silt, sand, and gravel form an unconfined aquifer with an average saturated thickness of 28 feet. The 1985-86 water in storage, assuming a specific yield of 0.20, was 4.47 million acre-feet. The aquifer is bounded laterally and underlain by relatively impermeable Permian geologic units. Regional ground-water flow is generally southeast to southwest toward the Cimarron River, except where the flow direction is affected by perennial tributaries.
Estimated average recharge to the aquifer is 207 cubic feet per second. Estimated average discharge from the aquifer by seepage and evapotranspiration is 173 cubic feet per second. Estimated 1985 discharge by withdrawals from wells was 24.43 cubic feet per second.
Most water in the terrace deposits varied from a calcium bicarbonate to mixed bicarbonate type, with median dissolved-solids concentration of 538 milligrams per liter. Cimarron River water is a sodium chloride type with up to 16,600 milligrams per liter dissolved solids.
A finite-difference ground-water flow model was developed and calibrated to test the conceptual model of the aquifer under steady-state conditions. The model was calibrated to match 1985-86 aquifer heads and discharge to the Cimarron River between Waynoka and Dover.
Suggested Citation
Adams, G.P., Bergman, D.L., 1996, Geohydrology of alluvium and terrace deposits of the Cimarron River from freedom to Guthrie, Oklahoma: U.S. Geological Survey Water-Resources Investigations Report 95-4066, vi, 57 p. :ill., maps ;28 cm., https://doi.org/10.3133/wri954066.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geohydrology of alluvium and terrace deposits of the Cimarron River from freedom to Guthrie, Oklahoma |
| Series title | Water-Resources Investigations Report |
| Series number | 95-4066 |
| DOI | 10.3133/wri954066 |
| Year Published | 1996 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey ; Branch of Information Services [distributor], |
| Description | vi, 57 p. :ill., maps ;28 cm. |