Data Catalog

• 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: 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

  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 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: 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: Facility Registry Services (FRS) : Toxic Release Inventory (TRI) , National Pollutant Discharge Elimination System (NPDES) , and Superfund Sites

  U.S. Environmental Protection Agency —

  This dataset represents the estimated density of georeferenced sites within individual, local NHDPlusV2 catchments and upstream, contributing watersheds 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: 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 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 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: Wildfire Burn Percent 1984-2018 (MTBS)

  U.S. Environmental Protection Agency —

  This dataset represents mean percent are burned from wildfires within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies for each year for...

  • 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

  BP Spill in the Gulf of Mexico Sediment Data

  U.S. Environmental Protection Agency —

  In response to the BP oil spill, EPA monitored sediment near the spill. While emergency response data collection has ended, results continue to be available on this...

  • API

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