Geological Research at the IGS

Spatial analysis of 20 water utilities in Indiana

Status Start Date End Date Locations
completed May 1, 2015 Dec 31, 2015 All Counties
Director: Sally Letsinger
Other Researchers:
Funding: Indiana Finance Authority
Issue: The issue of water-resources planning is coming to the forefront in Indiana. As a first step in this process, a reconnaissance-level survey of the 20 largest water utilities is being undertaken by the Indiana Finance Authority.
Objective: This project will support the larger study of the water utilities, focusing on providing a data-quality and accuracy assessment of the locations of 20 water utilities in Indiana. In addition, each water-extraction point (well or intake) will be characterized with respect to a suite of spatial landscape data layers.
Approach: GPS locations will be collected for the wells and intakes at the 20 water utilities. Existing databases of landscape, terrain, land use, geological, and so on, will be used to characterize the hydrogeological environment around each well or intake. GIS software will be used for the analysis.
Products: Maps and tables, accompanied by a report outlining the results of the locational error assessment.
Benefits: In addition to having an assessment of the accuracy of water utility location information in Indiana, this study will provide the Indiana Finance Authority a package of information about the hydrogeologic environment around some of the most important water providers in the state. This study will also serve as a demonstration of the capabilities of the Center for Geospatial Data Analysis, Indiana Geological Survey, and poise us for additional studies in the future.

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