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Federal
EnviroAtlas - Estimated floodplain map for the Conterminous United States 26 recent views
U.S. Environmental Protection Agency —
Understanding the relationship between flood inundation and floodplains is critical for ecosystem and community health and well-being, as well as targeting floodplain... -
Federal
EnviroAtlas -- Los Angeles County, CA -- Meter-Scale Urban Land Cover (MULC) Data (2016) 13 recent views
U.S. Environmental Protection Agency —
The Los Angeles County, CA Meter Urban Land Cover (MULC) dataset was generated from sub-meter image pixel resolution data created by the University of Vermont Spatial... -
Federal
EnviroAtlas - Water Balance and Surficial Groundwater by 12-digit HUC for the Conterminous United States 12 recent views
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes several U.S. Geological Survey (USGS) water budget and surficial groundwater datasets by 12-digit HUC. It includes average rates... -
Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States
U.S. Environmental Protection Agency —
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States... -
Federal
EnviroAtlas - Los Angeles, CA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
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
Physical trajectory profile data from glider unit_251 deployed by Oregon Health & Science University; Center for Coastal Margin Observation & Prediction in the Coastal Waters of Washington/Oregon from 2013-07-18 to 2013-08-06 (NCEI Accession 0145922)
National Oceanic and Atmospheric Administration, Department of Commerce —
Slocum glider dataset gathered as part of the CMOP observatory SATURN, funded by NOAA and NSF. Glider operations have historically been seasonal (April-September),... -
Federal
Physical trajectory profile data from glider unit_092 deployed by Oregon Health & Science University; Center for Coastal Margin Observation & Prediction in the Coastal Waters of Washington/Oregon from 2011-04-12 to 2011-05-04 (NCEI Accession 0145916)
National Oceanic and Atmospheric Administration, Department of Commerce —
Slocum glider dataset gathered as part of the CMOP observatory SATURN, funded by NOAA and NSF. Glider operations have historically been seasonal (April-September),... -
Federal
NorWeST Stream Temperatures 2080s (Feature Layer)
Department of Agriculture —
This layer represents modeled stream temperatures derived from the NorWeST point feature class (NorWest_TemperaturePoints). NorWeST summer stream temperature... -
Federal
EnviroAtlas - Baltimore, MD - Meter-Scale Urban Land Cover (MULC) Data
U.S. Environmental Protection Agency —
The Baltimore, MD EnviroAtlas Meter-scale Urban Land Cover (MULC) dataset comprises 4,545 km2 around the city of Baltimore and portions of surrounding counties. These... -
Federal
EnviroAtlas - Des Moines, IA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
EnviroAtlas One Meter Resolution Urban Land Cover Data (2008-2012) Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas ). The EnviroAtlas One Meter-... -
Federal
EnviroAtlas - Predicted drinking water nitrate violations by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This map displays predicted probability of a 12-digit Hydrologic Unit (HUC12) being at risk of violating the drinking water nitrate standard. Risk is defined as there... -
Federal
Surfrider, station 445
National Oceanic and Atmospheric Administration, Department of Commerce —
Fecal indicator bacteria levels are measured in water samples collected from ocean and bay beaches, streams, lakes and other coastal waterways. Water samples are... -
County
WebLogis - Loudoun County Online Mapping System
Loudoun County, Virginia —
WebLogis, Loudoun County's Online Mapping System. Provides access to the County’s Enterprise Geographic Information System data layers. -
Federal
NorWeST Observed Stream Temperature Points (Feature Layer)
Department of Agriculture —
This layer indicates the location of the observed stream temperature records used for the NorWeST database summaries. NorWeST summer stream temperature scenarios were... -
Federal
EnviroAtlas -- Philadelphia, PA -- Meter-Scale Urban Land Cover Data (MULC) Data (2013)
U.S. Environmental Protection Agency —
The Philadelphia, PA Meter-Scale Urban Land Cover (MULC) dataset comprises 7184 km2 around the city of Philadelphia and surrounding land in parts of fourteen counties... -
Federal
EnviroAtlas - Chicago, IL - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
Surfrider, station 477
National Oceanic and Atmospheric Administration, Department of Commerce —
Fecal indicator bacteria levels are measured in water samples collected from ocean and bay beaches, streams, lakes and other coastal waterways. Water samples are... -
County
Joint Action Water Agency (JAWA)
Lake County, Illinois —
Download In State Plane Projection Here. The Central Lake County Joint Action Water Agency (JAWA) is a consortium of the municipalities of Grayslake, Gurnee, Lake...