24 datasets found
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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
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... -
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
Priority Barriers
State of Oregon —
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage.... -
State
Fish Passage Barriers by Type
State of Oregon —
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage.... -
Federal
Field and laboratory notes on development of a PIT-tag system for spillways - Research and Development of New Marking and Monitoring Technologies
National Oceanic and Atmospheric Administration, Department of Commerce —
This project addresses how to expand the current fish-tracking technologies to enable the fisheries community to successfully carry out the actions, research, and... -
State
i17 California Jurisdictional Dams
State of California —
This dataset is a feature class identifying all dams currently under the jurisdiction of the Division of Safety of Dams (DSOD). The dataset is extracted from DSOD... -
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.... -
State
Dam Facilities
State of Oregon —
Large dams are defined by a dam height >= 10 feet and storage of >= 9.2 acre feet. These larger dams are within the juristiction of Oregon Water Resource... -
Federal
“ChesBay 24k – HU": Human Related Data Summaries for the Chesapeake Bay Watershed Within NHD Plus HR catchments (ver. 3.0, August 2025)
Department of the Interior —
These tabular data are the summarization of human related variables within catchments of the Chesapeake Bay watershed at the 1:24,000 scale using the xstrm... -
Federal
Field and laboratory notes on instream research - Research and Development of New Marking and Monitoring Technologies
National Oceanic and Atmospheric Administration, Department of Commerce —
This project addresses how to expand the current fish-tracking technologies to enable the fisheries community to successfully carry out the actions, research, and... -
State
Removed or Replaced Barriers
State of Oregon —
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage.... -
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
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
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
Dam Metrics Representing Stream Fragmentation and Flow Alteration for the Conterminous United States Linked to the NHDPLUSV1
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
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
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
Dam Metrics Representing Stream Fragmentation and Flow Alteration for the Conterminous United States Linked to the NHDPLUSV2.1
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
Connecticut Dams - Public Use
State of Connecticut —
Connecticut Dams is a 1:24,000 scale spatial data developed for use by the Dam Safety Section of the Inland Water Resources Division, Bureau of Water Protection and... -
Federal
Benthic macroinvertebrate tailwater data in the Colorado River Basin, 2013 & 2015
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...
24 datasets found