296 datasets found
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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
USGS Water Use Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The U.S. Geological Survey's National Water-Use Information Program is responsible for compiling and disseminating the nation's water-use data. The USGS works in... -
Federal
Small Watershed Hydrology (WinTR-55)
Department of Agriculture —
WinTR-55 is a single-event rainfall-runoff small watershed hydrologic model. The model generates hydrographs from both urban and agricultural areas and at selected... -
Federal
Environmental Monitoring and Assessment Program (EMAP)
U.S. Environmental Protection Agency —
The Environmental Monitoring and Assessment Program (EMAP) was a national research program run by EPA’s Office of Research and Development from 1990 to 2008 to... -
Federal
USGS Surface-Water Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
Digital Elevation Model (DEM) from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database -- North America
Department of the Interior —
This dataset contains the Digital Elevation Model (DEM) for North America from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The DEM data were... -
State
California Fish Passage Assessment Database [ds69]
State of California —
The Passage Assessment Database (PAD) geospatial file contains locations of known and potential barriers to salmonid migration in California streams with additional... -
Federal
BLM Natl AIM Riparian and Wetland Indicators Hub
Department of the Interior —
This feature class includes monitoring data collected nationally to understand the status, condition, and trend of resources on BLM lands. Data are collected in... -
Federal
Pacific Island Network Streams Monitoring Dataset 2009 - 2023
Department of the Interior —
Throughout the world, freshwater ecosystems are considered to be among the most vulnerable systems. In the isolated Pacific islands, there are a relatively small... -
Federal
NCRN Amphibain Monitoring Data
Department of the Interior —
Data collected as part of the NCRN amphibian monitoring protocol -
Federal
National Rivers and Streams Assessment 2013/2014 Data files for Report "National Rivers and Streams Assessment 2013-2014: A Collaborative Survey"
U.S. Environmental Protection Agency —
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide... -
Federal
BLM OR Hydrography Area Polygon Hub
Department of the Interior —
HYD_AREA_POLY: This dataset contains area features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are... -
Federal
Hydrologic data compilation from headwater stream case studies for open access
U.S. Environmental Protection Agency —
Drying has a major impact on pattern and process in streams, particularly in small or headwater streams. Such streams that dry recurrently are called non-perennial... -
Federal
Sentinel-1 and Sentinel-2 based frequency of open and vegetated water across the United States (2017-2021)
Department of the Interior —
High-frequency observations of surface water at fine spatial scales are critical to effectively manage aquatic habitat, flood risk and water quality. We developed... -
State
MD iMAP: Maryland Water Quality - Tier II High Quality Waters 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The intent of this dataset is for it to be used to produce maps and provide... -
Federal
Reynolds Creek Experimental Watershed, Idaho (Discharge)
Department of Agriculture —
Reynolds Creek Experimental Watershed discharge records are available for 13 stations with varying lengths of record ranging from 8 to 34 years. The U.S. Department... -
Federal
New Jersey StreamStats digital elevation, flow direction, and flow accumulation GIS data 2022
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the New Jersey Department of Environmental Protection (NJDEP), prepared hydro-conditioned geographic... -
Federal
Data for: A field-based model of the relationship between extirpation of salt-intolerant benthic invertebrates and background conductivity
U.S. Environmental Protection Agency —
The data is provided in 2 zip files that share site identifiers. One data set contains biological (genus benthic invertebrate) data (Data Biological.zip) and the...
296 datasets found