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DS-777 Spatial Location of Wells with Water-Level Measurements taken in the Spring and Fall from September 1940 to April 2009 for the Northern High Plains Groundwater-Flow Model in Parts of Colorado, Kansas, Nebraska, South Dakota, and Wyoming

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2020-11-17T00:00:00Z
This data set is one of many developed in support of The High Plains Groundwater Availability Project and the U.S. Geological Survey Data Series Report: Geodatabase Compilation of Hydrogeologic, Remote Sensing, and Water-Budget-Component data for the High Plains aquifer, 2011 (ds777). This dataset contains point vector data of 20,759 wells with 327,129 water-level measurement records located in areas overlying the northern High Plains aquifer in the United States. The northern High Plains aquifer underlies 61.7 million acres (96,400 square miles) in Colorado, Kansas, Nebraska, South Dakota, and Wyoming. These data were acquired from the U.S. Geological Survey National Water Information System (NWIS) and the High Plains water-level monitoring network maintained by Virginia McGuire. Included in this dataset is a point feature class (pts_WaterLevel_development) of water-level measurements in the northern High Plains aquifer for the northern High Plains groundwater-flow model development period October 1, 1940 to May 31, 2009 in 138 stress periods.

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