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Watersheds – DNR Level 4

MN Dept. of Natural Resources

This data layer indicates the boundaries of the Minnesota Department of Natural Resources (MN DNR) Level 4 Watersheds. It was developed by the MN DNR. A watershed is a natural landscape unit in which all of the precipitation that falls flows to the same outlet or basin. The DNR Level 4 Watersheds are aligned with the United States Geological Survey Hydrologic Unit Code (HUC) 8 Level. There are 81 Level 4 Watersheds in the entire state and they nest within the Level 2 Watersheds. The DNR also refers to these as Major Watersheds. Watersheds are an important natural boundary. The quality of the water collected within or flowing out of them reflects the health of the entire watershed. Any activities in the landscape unit must viewed within the context of the watersheds they are located within.

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