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Upper Koyukuk River Watershed map
Map of the Upper Koyukuk River Area and location of proposed observation sites (numbered circles). This large area drains the southern Brooks Range ecoregion and extends... -
Remote Watersheds
A polygon feature class showing SPU watersheds. It also provides information on its shed and type. -
Drainage Basin Lines
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 Connecticut.... -
Underdrain and Rain Garden
Underdrain piping systems are provided to prevent prolonged ponding of stormwater or to collect and convey water to another facility. Rain gardens are less engineered systems... -
Subregional Drainage Basin Direction
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 subregional... -
San Pedro River Aquifer Data Release - Transboundary Aquifer Assessment Progr...
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 Sosa, I.,... -
Flood Frequency Data and 2020 Observed Flood Probability for Selected Streamg...
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 22, 2020 in... -
DWW Swales
A polygon feature class showing DWW Swales. It also provides information about its exact location, owner, and role. Swales (biofiltration, bioretention,... -
Watershed Boundary Dataset (WBD)
The Watershed Boundary Dataset (WBD) from The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landscape characteristics. The drainage... -
DWW Mainlines (Permitted Use)
DWW Mainlines (Permitted Use) displays all connected or to be connected mainline pipes within the City of Seattle (and the former service area north of the city limits)... -
Alaska Hydrography, 1:2,000,000
Statewide lakes were assembled from seventeen separate files in the USGS 1:2,000,000 Digital Line Graphs (DLG) dataset and include only those polygons with AREA greater than 20... -
Local Basin Lines
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 Connecticut.... -
CommunityEmergencyHubs
Community Emergency Hubs are places where people gather after a disaster to help each other. Hubs serve as a central gathering place among neighbors in homes, apartments and... -
i03 DAU county cnty2018
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 drainage... -
Adopt a Drain - Crowd Adopted
Adopt-a-Drain Maintaining Storm Drains: Join volunteers across the city to maintain storm drains, a critical part of our utility infrastructure. Sign up to adopt a storm drain... -
DWW Inlets
A point feature class showing DWW Inlets. It also provides information on its life cycle, date of last update, owner, and role. -
TEON Focal Watersheds and Observation Sites GIS data
The Terrestrial Environmental Observation Network (TEON) is an effort to establish a sustainable environmental observing network of northern Alaska. TEON will focus work in... -
Subregional Basin Lines
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 subregional... -
Flood Frequency Data for a Streamgage in the Hulahula River Basin, Alaska, 20...
This data release provides the source data and results of a flood frequency analysis for a streamgage in the Hulahula River Basin, Alaska. Data are provided for one streamgage... -
Ohio-drainage stream centerline coverage for use with Water Resources Investi...
This vector coverage of hydrography centerlines was derived from the National Hydrography Dataset (NHD), and encompasses all of Ohio and portions of Indiana, Michigan,...