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Hydrologic and Water Quality Data from the Cedar River and Cedar River Alluvial Aquifer, Linn County, IA, 1990-2019

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2021-09-10T00:00:00Z
Surface and groundwater samples were collected, processed, and analyzed for pesticides, nutrients, organic carbon, and inorganics as part of a cooperative study with the City of Cedar Rapids, Iowa. Filtered and whole water samples were sent to the National Water Quality Laboratory in Denver, Colorado. U.S. Geological Survey staff collected field properties and discharge measurements in-situ. Discrete nitrate plus nitrite nitrogen samples were collected by the Cedar Rapids Utilities Water Department, the Iowa Department of Natural Resources, and the U.S. Geological Survey.

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