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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA recent views
Department of the Interior —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection recent views
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
Dam Metrics Representing Stream Fragmentation and Flow Alteration for the Conterminous United States Linked to the NHDPLUSV1 recent views
Department of the Interior —
This CSV file contains 21 dam metrics representing stream fragmentation and flow alteration for nearly 2.3 million stream reaches in the conterminous USA. Dam metrics... -
Federal
Water management elements on the Rio Grande/Bravo basin recent views
Department of the Interior —
This is one of five general categories that contains the water management elements on the Rio Grande/Bravo basin. This category includes the dams, water districts,... -
Federal
Fluvial-aeolian sediment availability models: Colorado River, Grand Canyon recent views
Department of the Interior —
These data were compiled to model the area of exposed, bare sand along 168 km of the Colorado River between Glen Canyon Dam and Bright Angel Creek, Arizona.... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: National Inventory of Dams (NID) Storage and Construction by Decade, 1930 to 2010 recent views
Department of the Interior —
This tabular data set contains decadal information on dams compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the conterminous... -
Federal
Summary of selected characteristics of large reservoirs recent views
Department of the Interior —
This is a point coverage of dams in the United States and Puerto Rico, which originally was derived from the national inventory of dams data base (U.S. Army Corps of... -
Federal
Dam impact/disturbance metrics for the conterminous United States, 1800 to 2018 recent views
Department of the Interior —
This metadata record describes two metrics that quantitatively measure the impact of reservoir storage on every flowline in the NHDPlus version 2 data suite... -
Federal
Colorado River Eddy Sandbar Dynamics Data recent views
Department of the Interior —
These data are a compilation of the characteristics of eddy sandbars, eddy sandbar areas and volumes measured between 1990 and 2015, and longitudinal metrics of the... -
Federal
Reservoir storage for selected Chesapeake Bay watersheds recent views
Department of the Interior —
This dataset contains values of normal reservoir storage in units of acre-feet per km2, for three time periods: 1992, 2002, and 2012. Values are derived from a... -
Federal
Long-term sandbar monitoring data along the Colorado River in Marble and Grand Canyons, Arizona recent views
Department of the Interior —
This data release comprises nearly three decades of measurements of sandbar topography for monitoring sites along the Colorado River in Grand Canyon National Park and... -
Federal
Dam Metrics Representing Stream Fragmentation and Flow Alteration for the Conterminous United States Linked to the NHDPLUSV2.1 recent views
Department of the Interior —
This USGS data release includes a comma separated value (CSV) file that contains 19 reach-based dam metrics representing stream fragmentation and flow alteration for... -
State
Permitted Dams in the State of Iowa recent views
State of Iowa —
Permitted dams in Iowa and associated attributes, as recorded by the Floodplain Section of the DNR. The dams regulated are those with the parameters listed below: a.... -
Federal
Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States : Attributes for Surface Water Impoundments recent views
Department of the Interior —
This dataset describes attributes of surface-water impoundments derived from the National Inventory of Dams (NID), National Land Cover Data (NLCD) and the National... -
Federal
Hydrology Rating Curves on the Lower Mississippi River Data recent views
Department of the Interior —
Data needed to generate hydrolic rating curves of areas along Lower Mississippi River. -
Federal
Benthic macroinvertebrate tailwater data in the Colorado River Basin, 2013 & 2015 recent views
Department of the Interior —
These benthic macroinvertebrate data and associated site characteristics were compiled for the purpose of exploring any relationships between large dams in the... -
Federal
“ChesBay 24k – HU": Human Related Data Summaries for the Chesapeake Bay Watershed Within NHD Plus HR catchments (ver. 2.0, October 2024) recent views
Department of the Interior —
These tabular data are the summarization of human related variables within the Chesapeake Bay watershed using the xstrm methodology bringing these data to the... -
Federal
Data release associated with research that describes how major flooding and dam operations in the upper Mississippi River contribute to large upstream migrations of native paddlefish and invasive bigheaded carp recent views
Department of the Interior —
Recent research has attributed major flood events with the upstream spread of invasive carp in the Mississippi River. In two sequential years, the upper Mississippi... -
Federal
Fishway Structure Data in the Eastern United States recent views
Department of the Interior —
These data are a compilation of fishway structures collected by the Atlantic States Marine Fisheries Commission state representatives at the request of the U.S....