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

  U.S. Environmental Protection Agency —

  This dataset represents the calculated wetness index value 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: 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 NHDPlusV2 catchments and upstream, contributing watersheds based on 2010 US...

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

  Toxics Release Inventory Chemical Hazard Information Profiles (TRI-CHIP) Dataset

  U.S. Environmental Protection Agency —

  The Toxics Release Inventory (TRI) Chemical Hazard Information Profiles (TRI-CHIP) dataset contains hazard information about the chemicals reported in TRI. Users can...

  • API
  • BIN
• Federal

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

  U.S. Environmental Protection Agency —

  This dataset consists of predicted probabilities of good biological condition based in the US EPA 2008/2009 National Rivers and Streams Assessment (NRSA). NRSA...

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

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

  U.S. Environmental Protection Agency —

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

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

  Office of Water Linked Data

  U.S. Environmental Protection Agency —

  The Office of Water Linked Data (OWLD) dataset stores EPA Water program information indexed to several National Hydrography Dataset frameworks. Indexing may be...

  • API
• Federal

  The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Wildfire Burn Severity Class 1984-2018 (MTBS)

  U.S. Environmental Protection Agency —

  This dataset represents percent area burned in each burn severity class for wildfires within individual local and accumulated upstream catchments for NHDPlusV2...

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

  The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: State Soil Geographic Database (STATSGO) (KKACT)

  U.S. Environmental Protection Agency —

  This dataset represents the soil characteristics within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the STATSGO landscape...

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

  The StreamCat 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 NHDPlusV2 catchments and upstream, contributing watersheds 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: 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: GeoChemPhys

  U.S. Environmental Protection Agency —

  This dataset represents geochemical or geophysical attributes in surface or near surface geology within individual local and accumulated upstream catchments for...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents canal 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 Atmospheric Deposition Program National Trends Network - Nitrogen Deposition

  U.S. Environmental Protection Agency —

  This dataset represents deposition estimates of nutrients within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on the National...

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

  The LakeCat 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 and accumulated upstream catchments for NHDPlusV2 Waterbodies based data published in EPA...

  • 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

  Laws and Regulations Services (LRS)

  U.S. Environmental Protection Agency —

  LRS is a catalog of laws relevant to EPA, the regulations that implement those laws, and the EPA programs that oversee those regulations

  • API
• Federal

  The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Dam Density and Storage Volume

  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 National...

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

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

  U.S. Environmental Protection Agency —

  This dataset represents the density of nitrogen surplus as kg N / yr, excluding biological N Fixation, within individual, local NHDPlusV2 catchments and upstream,...

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

  Toxicity/Residue Database

  U.S. Environmental Protection Agency —

  A toxicity/tissue residue database for aquatic organisms exposed to inorganic and organic chemicals. This database is a resource for use in the systematic...

  • API

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

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