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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 surface water drainage...
Search relevance: 1.00 | Views last month: 56 | Catalog Last Checked: August 01, 2026 at 04:42 AM -
These benthic macroinvertebrate data and associated site characteristics were compiled for the purpose of exploring any relationships between large dams in the Colorado River Basin, their flow...
Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: August 01, 2026 at 06:19 AM -
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 04:09 AM -
The Land Ownership Asset Class layer represents the spatial boundaries and key attributes of land owned by the Bureau of Reclamation. It is part of the Enterprise Asset Registry used to support...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 01, 2026 at 05:21 AM -
The Dams dataset is a representation of the National Inventory of Dams (NID), maintained and published by the U.S. Army Corps of Engineers, in cooperation with the Association of State Dam Safety...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 03, 2026 at 02:51 PM -
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. Objective(s) of our study were to...
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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 Land Reuse, Department of...
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This GIS layer represents the spatial extent and key attributes of reservoirs associated with dams owned, operated, or managed by the Bureau of Reclamation. It is part of the Enterprise Asset...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:28 AM -
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. Geological Survey. The variables...
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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 United States; 1) individual...
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This project addresses how to expand the current fish-tracking technologies to enable the fisheries community to successfully carry out the actions, research, and monitoring activities outlined in...
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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 River experienced a low water...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:34 AM -
This project addresses how to expand the current fish-tracking technologies to enable the fisheries community to successfully carry out the actions, research, and monitoring activities outlined in...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 03, 2026 at 04:04 AM -
The Dams Asset Class layer represents the spatial locations and key attributes of dams owned, operated, or managed by the Bureau of Reclamation. It is part of the Enterprise Asset Registry used to...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:28 AM -
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 Engineers, 1982). The...
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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. Barriers must be channel...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 05:31 PM -
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 nearly 2.3 million stream...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 03:47 AM -
This GIS layer represents the spatial locations and key attributes of levees owned, operated, or managed by the Bureau of Reclamation. It is part of the Enterprise Asset Registry used to support...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:28 AM -
The Water Treatment Asset Class layer represents the spatial locations and key attributes of water treatment facilities owned, operated, and maintained by the Bureau of Reclamation. It is part of...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 05:21 AM -
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 Department. Large dams that are not...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 05:31 PM
