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Federal
USGS Hydrography (NHD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) National Hydrography Dataset (NHD) NGDA
U.S. Geological Survey, Department of the Interior —
The USGS National Hydrography Dataset (NHD) service from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about... -
County
Drainage Districts
Lake County, Illinois —
Download In State Plane Projection Here. Drainage districts are local bodies formed for the purpose of draining, ditching, and improving land for agricultural and... -
State
i03 DAU county cnty2018
State of California —
DWR subdivided California into study areas for planning purposes. The largest study areas are the ten hydrologic regions (HR), corresponding to the State’s major... -
State
Regional Drainage Basin Set
State of Connecticut —
See full Data Guide here. Regional Drainage Basin Set: Connecticut Regional Drainage Basins is 1:24,000-scale, polygon and line feature data that define Regional... -
Federal
San Pedro River Aquifer Data Release - Transboundary Aquifer Assessment Program (TAAP)
Department of the Interior —
This is a release of data presented in the report "Binational Study of the Transboundary San Pedro Aquifer", Callegary and others, 2016: Callegary, J.B., Minjárez... -
City
Jefferson County KY Water Bodies - 2019
Louisville Metro Government —
The Hydrographic Lines (HL) layer consists of photogrammetrically interpreted polygons representing water bodies such as lakes, basins, ponds and wet streams within... -
Federal
Flood Frequency Data Collection, Alaska and Conterminous Basins in Canada
Department of the Interior —
This data collection of U.S. Geological Survey data releases provides the source data and results of flood frequency analyses and annual exceedance probability... -
Federal
Ohio-drainage stream centerline coverage for use with Water Resources Investigations Report 03-4164
Department of the Interior —
This vector coverage of hydrography centerlines was derived from the National Hydrography Dataset (NHD), and encompasses all of Ohio and portions of Indiana,... -
City
UTILITIESCOMMUNICATION.ManholeREFDOC
City of Austin —
The Manhole REFDOC table should be used in conjunction with the Manhole feature class https://data.austintexas.gov/dataset/Manhole/38q2-v8xr with a join on the... -
Federal
USGS Watershed Boundary Dataset (WBD) Stewardship Plan Objectives for FY20 from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA
U.S. Geological Survey, Department of the Interior —
U.S. Geological Survey, Department of the Interior - The annual Watershed Boundary Dataset (WBD) stewardship plan is to maintain watershed boundary data through usage... -
Federal
USGS Watershed Boundary Dataset (WBD) Overlay Map Service from The National Map - National Geospatial Data Asset (NGDA) Watershed Boundary Dataset (WBD) NGDA
U.S. Geological Survey, Department of the Interior —
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics.... -
State
Iowa Watershed Boundaries: Subbasins (HUC 08)
State of Iowa —
The Watershed Boundary Dataset (WBD) defines the areal extent of surface water drainage to a point, accounting for all land and surface areas. Watershed Boundaries... -
Federal
Flood Frequency Data and 2020 Observed Flood Probability for Selected Streamgages in the Fortymile River Basin, Alaska, 1911–2020
Department of the Interior —
This data release provides the source data and results of a flood frequency analysis and annual exceedance probability estimation for a flood that occurred on June... -
City
Drainage Maintenance Lot
City of Baton Rouge —
Polygon geometry with attributes displaying the Department of Maintenance Drainage Division maintenance lots in East Baton Rouge Parish, Louisiana. -
State
Subregional Drainage Basin Set
State of Connecticut —
See full Data Guide here.Subregional Drainage Basic Set: Connecticut Subregional Drainage Basins is 1:24,000-scale, polygon and line feature data that define... -
County
Drainage Districts Data Dictionary
Lake County, Illinois —
Data Dictionary for Drainage Districts. -
State
Drainage Basin Polygon
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
Federal
Effects of Hillslope Gully Stabilization on Erosion and Sediment Production in the Torreon Wash Watershed, New Mexico, 2009–2012 - Associated Data
Department of the Interior —
Sediment erosion and deposition in two sets of paired (treated and untreated) upland drainages in the Torreon Wash watershed, upper Rio Puerco Basin, New Mexico, were... -
State
Iowa Watershed Boundaries: Watersheds (HUC 10)
State of Iowa —
The Watershed Boundary Dataset (WBD) defines the areal extent of surface water drainage to a point, accounting for all land and surface areas. Watershed Boundaries...