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Contaminants in bed sediment from surface waters collected in the Chesapeake Bay Watershed, 2021-24 (ver. 1.1, June 2026).

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:55 AM | Dataset Last Updated: June 04, 2026 at 12:00 AM
This data release provides contaminant data from bed sediment collected from small streams between 2021 and 2024 in the Chesapeake Bay Watershed. These data are part of a larger study designed to determine how conservation practices are affecting local stream ecosystem health, which stressors are negatively impacting streams, and which landscape characteristics are associated with better or worse conditions in local streams. Samples were analyzed at RTI Laboratories Incorporated, Livonia, Michigan and The U.S. Geological Survey, Florence Bascom Geoscience Center, Wetland Ecosystem Ecology and Biogeochemistry Lab, Reston, Virginia. Exact site location information for these sites is not available as a result of privacy concerns. Versioning of this data release was required to adhere to privacy agreements. Please see versioning_statement.txt for more information.

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