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Water Le�el Measurer�nents in the Southern <br />High Plains Designated Ground Water District <br />zoos <br />This report represents the results of water level measurements of wells in the Southem <br />High Plains Designated Basin made during the months of February a�d March 2006. The project <br />was done in cooperation with the Southern High Piains Ground Water Management Distr�ct and <br />local well owners. Funding for this project was supplied in part from we�l permit fees collected and <br />managed by the Office of the State Engineer as a result o� the passage of Senate Biil 200 during <br />the 1987 legislative session. <br />In this repo tabular data are presented for each well fvr the pre�ious 10 years. Graphical --- <br />data are resented�or the entire period of record. <br />P <br />A total of 95 well sites were visited with 92 wells being measured, recorded and data <br />entered. Measurements are availabie for only a very limited number of wells from 2005. A review <br />vf the 2006 measurements as compared to the 2�04 measurements re�eals that the following <br />water level changes have occurred since the last complete measurement period: <br />• Water le�els declined in 70 welts as compared to 32 wells in 2DD4 <br />• Water leveis rose in 8 wells as compared to 52 wells in 2004 <br />• Water levels remained cvnstant in 3 we11s as compared to 4 in 20�4 <br />• The average water level change for all wells in 2006 from 2004 was -3.97 feet, <br />Six distinct aquifers or aquifer combinations are present within the basin. Aquifer <br />designations as used in this report are described in Table 1 as follows: <br />Svmboi <br />Table 1— Aauifer Descriptions <br />A� r Av� e_Sat. T� Descriation <br />Nam Thickness Thickness <br />Qa; A1luvium <br />To Ogallala <br />Kd Dako#a <br />Kc Cheyenne <br />0— 60 Ft 0-1 D� Ft <br />� 50 Ft 0— 2�0 Ft <br />Unconsolidated sands and gravels <br />Sand, gra�el, silt, clay and limestone <br />� 125 Ft 80 —'15� Ft Fine grained, thin to massi�e <br />sandstone with clayey to sandy <br />shales. Light to dark brown. <br />� 100 Ft <br />Kdp Dakota-Cheyenne <br />TRd Dockum <br />Oqallala AQuifer <br />3�� Ft est. <br />40 — 250 Ft <br />Q-5l� Ft <br />Fine grained, massi�e, light colored <br />sandstone. <br />Aquifer unit by virtue of completion in <br />both the Dakota and Cheyenne with <br />absence o# interventng Kiowa Shaie <br />Red s+ltstone, shale, limestones and <br />red to buff fine to caarse sandstone <br />A total of se�enteen wells completed whofly or p�edominantly in the �gallala aquifer were <br />measured in 2008. Water le�els fluctuated over the past two years ranging from a rise of 0.5 feet <br />