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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... -
State
Permitted Dams in the State of Iowa
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
Summary of selected characteristics of large reservoirs
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
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
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
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
Reservoir storage for selected Chesapeake Bay watersheds
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
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
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
Long-term sandbar monitoring data along the Colorado River in Marble and Grand Canyons, Arizona
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
Fluvial-aeolian sediment availability models: Colorado River, Grand Canyon
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....