U.S. Fish & Wildlife ServiceKnowing where falls occur in the stream network can help researchers better understand and model aquatic species distributions and species migration patterns. This dataset is intended to support national scale species distribution modeling efforts by documenting potential natural barriers to aquatic species' passage. This is a dataset of waterfalls at the national scale originally created by USGS for the CONUS found at this link . This dataset has been supplemented with local waterfall information from partners and data traded back to USGS. The data within this dataset and collected within this form is used in SARP's Aquatic Barrier Prioritization Tool (https://connectivity.sarpdata.com). Original base source: Wieferich, D.J., Daniel, W.M., Procopio, J.M., and Morningstar, C.R., 2020, Waterfalls and Rapids in the Conterminous United States Linked to the National Hydrography Datasets V2.0: Geological Survey data release, https://doi.org/10.5066/P9QQTKA0.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/471b27d8502f43f4bd95bb6fe45b5c17_0engU.S. Fish and Wildlife Service Open DataPublicNACC Waterfall Database [United States]Web servicesUnited StatesLast Modified: 2025-12-04