Bathymetric data for Clearwater Lake near Piedmont, Missouri, 2017

Clearwater Lake, on the Black River near Piedmont in Reynolds County, Missouri, was constructed in 1948 and is operated by the U.S. Army Corps of Engineers for flood-risk reduction, recreation, and fish and wildlife habitat. The lake area is about 1,800 acres with about 34 miles of shoreline at the conservation pool elevation of 498 feet. Periodically, many lakes operated by the U.S. Army Corps of Engineers have bathymetric and sediment surveys to monitor the status of the lake. In May 2017, the U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers, surveyed the bathymetry of Clearwater Lake to prepare an updated bathymetric map and surface area and capacity table. A previous survey completed in 2008 was contrasted with the 2017 survey to document the changes in the bathymetric surface of the lake.

Data sets included are the bathymetric data points collected during the 2017 bathymetric survey. There are two data sets included: the multibeam data (averaged to 3.28 feet) that was used as the source of points to create the bathymetric surface and the raw multibeam data from 4 selected resurvey areas that was used as quality assurance data to test the accuracy of the 3.28-feet spacing data points.

Richards, J.M., and Huizinga, R.J., 2018, Bathymetric contour map, surface area and capacity table, and bathymetric difference map for Clearwater Lake near Piedmont, Missouri, 2017: U.S. Geological Survey Scientific Investigations Map 3409, 1 sheet, https://doi.org/10.3133/sim3409.