Data Catalog

• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Index of Watershed Integrity / Index of Catchment Integrity (IWI/ICI)

  U.S. Environmental Protection Agency —

  This dataset represents the Index of Watershed Integrity / Index of Catchment Integrity (IWI/ICI) within individual local NHDPlusV2 catchments and upstream,...

  • API
  • Comma-Separated Values (.csv)
• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Land Cover Database

  U.S. Environmental Protection Agency —

  This dataset represents data derived from the NLCD dataset and the National Hydrography Dataset version 2.1(NHDPlusV2) (see Data Sources for links to NHDPlusV2 data...

  • API
  • Comma-Separated Values (.csv)
• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Anthropogenic Nitrogen

  U.S. Environmental Protection Agency —

  This dataset represents net anthropogenic Nitrogen within AOI: farm fertilizer + urban fertilizer + NOx deposition + CBNF + Human and Livestock food - crop N content...

  • API
  • Comma-Separated Values (.csv)
• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Slope Along Stream

  U.S. Environmental Protection Agency —

  This dataset represents slope percent along stream within individual, local NHDPlusV2 catchments and upstream, contributing watersheds.

  • API
  • Comma-Separated Values (.csv)
• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Water Input

  U.S. Environmental Protection Agency —

  This dataset represents water input, measured as km2/cm: Ratio of the total area of irrigated land to precipitation within individual, local NHDPlusV2 catchments and...

  • API
  • Comma-Separated Values (.csv)
• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Nitrogen From Rock Weathering

  U.S. Environmental Protection Agency —

  This dataset represents Nitrogen from rock weathering (kg/ km2) within AOI

  • API
  • Comma-Separated Values (.csv)
• Federal

  The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: wdrw_LD

  U.S. Environmental Protection Agency —

  This dataset represents total fresh surface-water withdrawals in agricultural land (L/day) within individual, local NHDPlusV2 catchments and upstream, contributing...

  • API
  • Comma-Separated Values (.csv)
• Federal

  The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Road Density

  U.S. Environmental Protection Agency —

  This dataset represents the road density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in LakeCat are...

  • API
  • Comma-Separated Values (.csv)
• Federal

  The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Land Cover Database

  U.S. Environmental Protection Agency —

  This dataset represents the land cover data within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the NLCD. Catchment...

  • API
  • Comma-Separated Values (.csv)

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