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Supply of and demand for water purification of nonpoint source pollutants in the Southeast United States - 2022 Updates (version 2.0, February 2023)

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 05:17 AM | Dataset Last Updated: February 17, 2023 at 12:00 AM
Natural land cover can remove pollutants from runoff water by slowing water flow and physically trapping suspended particles. We identified natural land cover in the Southeast US potentially contributing to water purification due to its location in the flowpath between sources of nonpoint-source pollution and waterways. Version 2.0 provides an update to the previous version with the inclusion of data from 2013, 2016, and 2019.

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