4 datasets found
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Federal
Key Watersheds in the Southeast Coast I&M Network (SECN) - Individual Watershed/Subwatershed Boundaries
Department of the Interior —
This dataset consists of the individual watersheds/subwatersheds that contain water features that flow or contribute to those that flow directly into SECN parks. The... -
Federal
Key Watersheds in the Southeast Coast I&M Network (SECN) - Custom Drainage Basin Boundaries
Department of the Interior —
This dataset contains custom drainage basin polygons that are composed of the various watersheds (HUC-10) or subwatersheds (HUC-12) that contain water features that... -
Federal
CAST Data Input Disaggregation from County and Land-River Segment Scale to National Hydrography Dataset Plus, Version 1.1
Department of the Interior —
The detrimental effects of excess nutrients and sediment entering the Chesapeake Bay estuary from its watersheds have necessitated regulatory actions. Federally-... -
Federal
Biosolids Data Input Disaggregation from County to National Hydrography Dataset Plus
Department of the Interior —
This metadata record contains two tables with reported and calculated amounts of biosolids applied to agricultural land within the Chesapeake Bay watershed in 2023 at...
4 datasets found