Data Catalog

• Federal

  The EPA Automotive Trends Report: Greenhouse Gas Emissions, Fuel Economy, and Technology since 1975

  U.S. Environmental Protection Agency —

  This annual report is part of the U.S. Environmental Protection Agency's (EPA) commitment to provide the public with information about new light-duty vehicle...

  • Comma-Separated Values (.csv)
• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Base Flow Index

  U.S. Environmental Protection Agency —

  This dataset represents the base flow index values within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape...

  • 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 EPA Automotive Trends Report: Greenhouse Gas Emissions, Fuel Economy, and Technology since 1975

  U.S. Environmental Protection Agency —

  This annual report is part of the U.S. Environmental Protection Agency's (EPA) commitment to provide the public with information about new light-duty vehicle...

  • 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 - Impervious Surfaces

  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: PRISM Normals Data

  U.S. Environmental Protection Agency —

  This dataset represents climate observations within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents the dam density and storage volumes within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based on the National...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents estimated surface water TN load within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Measured as kg Nitrogen.

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

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

  U.S. Environmental Protection Agency —

  This dataset represents the wetness index within individual local NHDPlusV2 catchments and upstream, contributing watersheds based on the Composite Topographic Index...

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

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Agricultural Fresh Surface-Water Withdraw Density

  U.S. Environmental Protection Agency —

  This dataset represents density of total fresh surface-water withdrawals in agricultural land 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: Road and Stream Intersections

  U.S. Environmental Protection Agency —

  This dataset represents the density of road and stream crossings within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment...

  • 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 Housing Unit and Population Density

  U.S. Environmental Protection Agency —

  This dataset represents the population and housing unit density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents the dam density and storage volumes within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents the estimated surface water runoff within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the...

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

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Predicted Channel Widths and Depths

  U.S. Environmental Protection Agency —

  This dataset represents predicted channel widths and depths from Doyle et al. 2023. Values include: Predicted wetted width: distance of the water\u2019s edge from...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents the application of nitrogen within individual, local NHDPlusV2 catchments and upstream, contributing watersheds based data published in EPA...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents % of land with agricultural drainage, described in DOI: 10.1016/j.scitotenv.2020.137661, 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: 2010 US Census Road Density

  U.S. Environmental Protection Agency —

  This dataset represents the road density within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer were...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents the elevation values within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the National Elevation...

  • 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)

You can also access this registry using the API (see API Docs).

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