Data Basin is a science-based mapping and analysis platform that supports learning, research, and sustainable environmental stewardship.
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NHDPlusV2 data is distributed by the major drainage areas of the United States. Within a Drainage Area, the NHDPlusV2 data components are packaged into compressed files either by Vector Processing Unit (VPU) or Raster Processing Unit (RPU). A Drainage Area is composed of one or more VPUs and a VPU is composed of one or more RPUs.
Layers in this dataset are based on combinations of the following options.
You may choose from these options to select a specific layer on the map page.