32 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... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
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... -
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 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.... -
State
Fish Passage 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
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.... -
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
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... -
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
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
Water management elements on the Rio Grande/Bravo basin
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,... -
State
Fish Passage Barriers by Passage Status
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
“ChesBay 24k – HU": Human Related Data Summaries for the Chesapeake Bay Watershed Within NHD Plus HR catchments (ver. 2.1, March 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
Fishway Structure Data in the Eastern United States
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.... -
Federal
Hydrology Rating Curves on the Lower Mississippi River Data
Department of the Interior —
Data needed to generate hydrolic rating curves of areas along Lower Mississippi River. -
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
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... -
State
asdi.STRUCTURE.DAMS_ANRC
State of Arkansas —
Locations of Dams in Arkansas (updated January 2018) as provided to the Arkansas Natural Resources Commission by the Army Corp of Engineers. This database represents...
32 datasets found