![]() ![]() Please see the About National Hydrography Products link for more detailed information on national hydrography products. Provide recreational opportunities for citizens.Manage riverine and coastal navigation and safety.Plan for future land development activities and infrastructure development.Manage fisheries, rangeland, timberlands, and agricultural lands.Conserve terrestrial and aquatic habitats.Assess water availability and water rights.Monitor, manage, and report water quality.Manage water such as stream flow and stormwater. ![]() Hydrography data make it possible for these groups to, for example: Hydrography data are integral to a myriad of mission critical activities undertaken and managed by government entities (Federal, state, regional, county, local, Tribal), nonprofit organizations, and private companies. These include the National Hydrography Dataset (NHD), Watershed Boundary Dataset (WBD), and NHDPlus High Resolution (NHDPlus HR). The USGS manages surface water and hydrologic unit mapping for the Nation as geospatial datasets. ![]()
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January 2023
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