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State
Watershed Boundary Dataset (WBD) (2 through 12-digit hydrologic unit) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
City
SPU GIS Datasets
City of Seattle —
| https://data-seattlecitygis.opendata.arcgis.com/datasets?q=spu | Lifecycle status: Production | Purpose: to enable open access to SPU GIS data. This website... -
State
Soils Drainage Class
State of Connecticut —
Drainage class (natural)" refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the water... -
City
Jefferson County KY Streams - 2019
Louisville Metro Government —
The Hydrographic Lines (HL_LINE) layer consists of polyline boundaries of water bodies such as lakes, basins, ponds and wet streams within Jefferson County, Kentucky... -
City
Drainage Pipe
City of Austin —
The data being collected is to be used for several purposes: - Hydraulic/hydrologic modeling input - Work Order Management System integration - Map book production -... -
State
Local Drainage Basin Direction
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... -
City
Drainage_District
City of Baton Rouge —
Polygon geometry with attributes of the drainage districts as defined by Metro Council ordinance in East Baton Rouge Parish, Louisiana. -
County
Loudoun Soil Drains
Loudoun County, Virginia —
More MetadataHistoric drainage is used in agricultural and farm plans, stormwater management, comprehensive planning, floodplain management, and facility planning to... -
Federal
Flood Frequency Data and 2022 Observed Flood Probability for Two Streamgages in the Delta River Basin, Alaska, 1963-2022
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 July... -
City
SPU DWW Aba Rem Mainlines
City of Seattle —
SPU DWW Mainlines is a Group Layer containing all Lifecycles, Ownerships, and other variations of Drainage and Wastewater Mainlines. The Connected Mainlines are... -
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,... -
State
16-digit HU NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
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... -
Federal
Transforming Drainage Research Data (USDA-NIFA Award No. 2015-68007-23193)
Department of Agriculture —
This dataset contains research data compiled by the “Managing Water for Increased Resiliency of Drained Agricultural Landscapes” project a.k.a. Transforming Drainage.... -
State
HydroLocation - Reach Code, External Connection NGDA
State of Oregon —
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D... -
State
Flowline NGDA
State of Oregon —
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D... -
State
Watershed Boundary Dataset (WBD)
State of California —
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
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... -
State
Regional Drainage Basin Polygon
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...