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Original Dataset of Water Level Records in the Mississippi River Valley Alluvial Aquifer in Missouri from the Missouri Department of Natural Resources' Well Information Management System (WIMS)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2020-08-13T00:00:00Z
The Missouri Department of Natural Resources’ (MoDNR) Well Information Management System (WIMS) is a repository for well information that includes date of completion, well construction, geology, and water level. Well information is provided by the water well drillers during the permitting process and is updated periodically by MoDNR. Well information is available in WIMS as early as 1983 to the present. This data set consists of 16,639 well records extracted from WIMS that were likely drilled into the Mississippi River Valley alluvial aquifer in Missouri. Records that may not reflect the true groundwater conditions in the aquifer were identified using a series of criteria described in detail below. The threshold criteria are described in detail in the “entity and attribute” section.

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