This data release contains a set of permeameter test data collected in February and March of 2014 on the Cedar River near Cedar Rapids, Iowa. The permeameter tests were performed in proximity to five horizontal collector wells (HCs) 1, 2, 3, 4, and 6, and three vertical wells that are operated by the City of Cedar Rapids. Each dataset represents groundwater levels over time while individual HC and a few selected vertical wells (S10, S18, S23) had pumps turned on or off to look at the response of the streambed sediments as it relates to the operations of HCs and vertical wells. Three permeameter test locations at the HC2 site and four at the HC1, 3, 4, and 6 were selected across the Cedar River for permeability tests. At each permeameter [...]