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Point source nutrient discharges to surface water in the United States Pacific Northwest for 2002

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:14 PM | Dataset Last Updated: November 17, 2020 at 12:00 AM
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of total nitrogen and total phosphorus discharged to surface waters in the Pacific Northwest region of the United States (Hydro Region 17; Major River Basin 7 (MRB7)) during 2002 from individual permitted wastewater facilities.

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