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Federal
EnviroAtlas National Layers Master Web Service 20 recent views
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). This web service includes... -
State
Summer Low Flow Indicator 1975-2017
State of Washington —
Summer Low Flow Trend Indicator results, statewide, updated through Oct 2017. This information is updated annually with an additional year of flow data. These results... -
Federal
EnviroAtlas - Below Ground Live Tree Biomass Carbon Storage by 12-Digit HUC for the Conterminous United States - Forested
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the summed below ground live tree root dry biomass estimate by 12-digit Hydrologic Unit (HUC) in metric tons (megagrams) from the... -
Federal
EnviroAtlas - Above Ground Live Tree Biomass Carbon Storage by 12-Digit HUC for the Conterminous United States - Forested
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the sum of aboveground live dry biomass estimate by 12-digit Hydrologic Unit (HUC) in total metric tons (megagrams) from the 2000... -
Federal
EnviroAtlas - Land Cover for the Conterminous United States
U.S. Environmental Protection Agency —
This dataset represents the percentage of land area that is classified as forest land cover, modified forest land cover, and natural land cover using the 2006... -
Federal
EnviroAtlas - 2011 Agricultural Land Cover on Steep Slopes for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage land area that is classified as agricultural land cover that occurs on slopes above a given threshold for each... -
Federal
EnviroAtlas - Protected Lands by 12-digit HUC for Hawaii
U.S. Environmental Protection Agency —
This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap... -
State
Summer Low Flow Trend Indicator 1975-2013
State of Washington —
Summer Low Flow Trend Indicator results, statewide, updated through Oct 2013. This information is updated annually with an additional year of flow data. These results... -
Federal
Datasets used to evaluate the effects of antecedent streamflow and sample timing on trend assessments of fish, invertebrate and diatom communities across the United States, 2002-12 (output)
Department of the Interior —
Detecting trends in biological attributes is central to many stream monitoring programs; however, understanding how natural variability in environmental factors... -
State
Summer Low Flow Trend Indicator 1975-2014
State of Washington —
Summer Low Flow Trend Indicator results, statewide, updated through Oct 2014 This information is updated annually with an additional year of flow data. These results... -
State
Middle Snake Low Flow Trend Indicator 2005-2013
State of Washington —
Short-term flow trends from an expanded number of stations. -
Federal
Ecology_metadata_output
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Ecology_metadata_input
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
Ecological community datasets used to evaluate the presence of trends in ecological communities in selected rivers and streams across the United States, 1992-2012 (output)
Department of the Interior —
In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA)... -
Federal
EnviroAtlas - Protected Lands by 12-digit HUC for Alaska
U.S. Environmental Protection Agency —
This dataset shows the percentage of each Watershed Boundary Dataset (WBD) 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap Analysis Program... -
Federal
EnviroAtlas - Protected Lands by 12-digit HUC for Puerto Rico and the US Virgin Islands
U.S. Environmental Protection Agency —
This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap... -
Federal
EPA Region 6 REAP Sustainability Geodatabase
U.S. Environmental Protection Agency —
The Regional Ecological Assessment Protocol (REAP) is a screening level assessment tool created as a way to identify priority ecological resources within the five EPA... -
Federal
EnviroAtlas - Protected Lands by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap... -
Federal
San Francisco Bay Area Baseline Trash Loading Summary Results, San Francisco Bay Area CA, 2012, US EPA Region 9
U.S. Environmental Protection Agency —
The San Francisco Bay Area stormwater permit sets trash control guidelines for discharges through the storm drain system. The permit covers Alameda, Contra Costa,... -
Federal
EPA Region 6 REAP Rarity Geodatabase
U.S. Environmental Protection Agency —
The Regional Ecological Assessment Protocol (REAP) is a screening level assessment tool created as a way to identify priority ecological resources within the five EPA...