Data Catalog

• Federal

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

  U.S. Environmental Protection Agency —

  These data represent the National Nutrient Inventory's quantification of major inputs (farm fertilizer, urban fertilizer, livestock manure, human waste, deposition,...

  • CSV
  • API
• 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: 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

  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: Surface Water Nitrogen Flux

  U.S. Environmental Protection Agency —

  This dataset represents estimated surface water TN flux within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Measured as kg N/km2.

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

  U.S. Environmental Protection Agency —

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

  • API
  • Comma-Separated Values (.csv)
• 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 Atmospheric Deposition Program National Trends Network - Nitrogen Deposition (NADP)

  U.S. Environmental Protection Agency —

  This dataset represents deposition estimates of nutrients within individual local NHDPlusV2 catchments and upstream, contributing watersheds 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: 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 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

  Summary 2010 Greenhouse Gas Data

  U.S. Environmental Protection Agency —

  This file contains a summary of the publicly available data from the GHG Reporting Program for 2010. This data includes non-confidential data reported by facilities...

  • API
  • BIN
• Federal

  The LakeCat 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 and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in...

  • API
  • Comma-Separated Values (.csv)
• 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: 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 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: Dam Density and Storage Volume

  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: 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

  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 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)

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

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