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Estimated Wastewater Returns for the Coastal Carolinas Focus Area Study by...
The Pee Dee and Cape Fear River Basins in North Carolina and South Carolina were chosen as a focus area study (FAS) for the U.S. Geological Survey (USGS) National Water Census... -
Upper Colorado River Basin SPARROW model catchments and synthetic stream...
This data collection consists of a synthetic stream network and associated catchments developed as the foundation for a Spatially Referenced Regressions on Watershed Attributes... -
Appalachian Trail - Upper Nolichucky River Watershed
Appalachian Trail within the Upper Nolichucky River watershed. -
Estimated Water Use by Select Subbasin and State (HUC8/State) in the Pee...
The coastal region which includes areas within South Carolina and North Carolina was chosen as a focus area study (FAS) for the U.S. Geological Survey (USGS) National Water... -
Upper Nolichucky River Watershed Active Save Our Streams Sites
Active Save Our Streams (SOS) sample sites within the Upper Nolichucky River watershed. -
Environmental Settings Protocol - Landscape Dynamics HUC12 Areas of Analysis...
** Dataset containing HUC12 watershed boundaries that are within or intersect the boundary of a standard park AOA. ** The Watershed Boundary Dataset (WBD) is a comprehensive... -
Tidal Creek Sentinel Habitat Database
The Ecological Research, Assessment and Prediction's Tidal Creeks: Sentinel Habitat Database was developed to support the National Oceanic and Atmospheric Administrations'... -
National Hydrography Dataset (NHD)
The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information... -
Riparian Buffers For Seven Counties In Pennsylvania (Berks, Bucks, Chester,...
During 2000 - 2004, the Pennsylvania Department of Environmental Protection (PA DEP), as part of the Coastal Zone Management (CZM) Program and Pennsylvania Stream ReLeaf, funded... -
Subregional Basin Lines
See full Data Guide here. Subregional Drainage Basic Set: Connecticut Subregional Drainage Basins is 1:24,000-scale, polygon and line feature data that define subregional... -
California High Hazard Zones (Tier 2)
On October 30, 2015 Governor Brown issued an emergency declaration requiring public agencies to identify areas of tree mortality that hold the greatest potential to result in... -
Puerto Rico Watershed Outflow Points
Puerto Rico watershed outflow points; areas of maximum flow accumulation within hydrological basins. -
4-digit HU (Subregion)
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
Environmental Settings Protocol - Landscape Dynamics HUC12 Areas of Analysis...
** Dataset containing HUC12 watershed boundaries that are within or intersect the boundary of a standard park AOA. ** The Watershed Boundary Dataset (WBD) is a comprehensive... -
15: Streamwater load and yield estimates for 12 constituents in 13...
The dataset contains annual and model calibration period streamwater constituent load and yield estimates for 13 watersheds in Gwinnett County, Georgia for the water years 2003... -
8-digit HU (Subbasin)
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
Estimates of atmospheric inorganic nitrogen deposition to the Chesapeake Bay...
Reactive nitrogen is transported from the atmosphere to the landscape as wet and dry deposition that contributes to annual nitrogen loads to the Chesapeake Bay. Estimates of... -
Data for the Estimation of Regional Flow-Duration Curves for Indiana (ver....
Digital datasets were used to develop basin characteristics values that are used in multiple regression equations and tested for the use in predicting flow-duration curves... -
California Native Fish Species by Watershed [ds1353]
This dataset was created using the 123 PISCES extant species range layers listed below in the table. The PISCES datasets were converted to rasters using GIS and then map algebra... -
Geospatial dataset of depressions, sinking streams, and associated...
“Karst” landscapes are characterized by distinctive hydrology and surface features, such as closed depressions, sinkholes, and sinking streams, that result from high rock...