Inventory of dams with the objective of understanding habitat fragmentation for aquatic organisms. Editable input dataset for aquaticbarriers.org
<span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'>This is the national compilation dataset of dams for the United States, including Puerto Rico and the US Virgin Islands. Updated 10/18/2023. This dataset feeds the National Aquatic Barrier Prioritization Tool at aquaticbarriers.org. This dataset includes large regulated dams, small dams, </span><font style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'>unregulated dams, diversion dams, farm ponds, and lowhead dams. It was compiled from multiple sources using the national inventory of dams as a baseline.</font><div style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'><span style='font-family:inherit;'><font size='3' style='font-family:inherit;'><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'>In addition to state and local datasets, national barrier datasets used in this inventory include the</span><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'> </span><a href='https://nid.usace.army.mil/#/' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:Verdana, Geneva, sans-serif; box-sizing:border-box;' target='_blank' rel='nofollow ugc noopener noreferrer'>National Inventory of Dams</a><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'>,</span><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'> </span><a href='https://www.usgs.gov/data/waterfalls-and-rapids-conterminous-united-states-linked-national-hydrography-datasets-v20' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:Verdana, Geneva, sans-serif; box-sizing:border-box;' target='_blank' rel='nofollow ugc noopener noreferrer'>USGS Waterfalls of the Conterminous U.S.</a><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'>, and</span><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'> </span><a href='https://www.usgs.gov/data/database-stream-crossings-united-states' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:Verdana, Geneva, sans-serif; box-sizing:border-box;' target='_blank' rel='nofollow ugc noopener noreferrer'>USGS Database of Stream Crossings in the U.S.</a><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'> </span><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'>Barriers are snapped to aquatic networks derived from the</span><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'> </span><a href='https://www.usgs.gov/core-science-systems/ngp/national-hydrography/nhdplus-high-resolution' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:Verdana, Geneva, sans-serif; box-sizing:border-box;' target='_blank' rel='nofollow ugc noopener noreferrer'>USGS High Resolution National Hydrography Dataset</a><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'> </span><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'>supplemented with additional information from the</span><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'> </span><a href='https://www.fws.gov/program/national-wetlands-inventory' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:Verdana, Geneva, sans-serif; box-sizing:border-box;' target='_blank' rel='nofollow ugc noopener noreferrer'>National Wetlands Inventory</a><span style='font-family:Verdana, Geneva, sans-serif; color:rgb(51, 51, 51);'>. Along with national data sources, several other regional and state efforts to collect barrier data were included in this inventory and are regularly updated within. To see a list of data sources as well as a link to submit a missing data source, visit aquaticbarriers.org</span></font></span></div>
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