91 datasets found for "Hydrology"
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City
SPU DWW CSO Basins
City of Seattle —
This layer indicates which areas contribute sanitary and storm water flow to a CSO overflow point. Areas are broken down by NPDES Outfall Number. The data source is... -
State
Catalog of drill log cards and sample images from USGS seismic shothole sites in the National Petroleum Reserve - Alaska (1974-1981)
State of Alaska —
Catalog of drill log cards and sample images from USGS seismic shothole sites in the National Petroleum Reserve - Alaska (1974-1981), Raw Data File 2025-18, provides... -
State
Landslide hazard susceptibility mapping in Homer, Alaska
State of Alaska —
Landslide hazard susceptibility mapping in Homer, Alaska, Report of Investigation 2024-3, provides a map and database of historical and prehistoric slope failures,... -
County
Lake County Wetland Inventory
Lake County, Illinois —
Download In State Plane Projection Here The Lake County Wetland Inventory (LCWI) maps natural and artificial wetlands meeting definitions established by the federal... -
State
Oregon Statewide Flood Hazard Database - Observed Inundation - 2015
State of Oregon —
This is a dataset download, not a document. The Open button will start the download.This data layer is an element of the Oregon GIS Framework. This feature dataset... -
County
Hydrology Lines Data Dictionary
Lake County, Illinois —
An in-depth description of the Hydrology Lines GIS dataset outlining terms of use, update frequency, attribute explanations, and more. -
State
Quaternary Geology Geologic Basin and Cross Section Set
State of Connecticut —
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and... -
State
Digital elevation model (DEM) and shaded relief image of Okmok Caldera, 2010
State of Alaska —
In response to significant morphologic changes in Okmok Caldera due to the phreatomagmatic eruption of Okmok volcano in 2009, a new digital elevation model was... -
County
Lake County, IL ADID Wetlands
Lake County, Illinois —
Download In State Plane Projection Here. Boundaries of designated high quality ADID wetlands established as a result of a formal process under the direction of the... -
State
HUC Watershed Line
State of Connecticut —
This data set is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The original data set was developed by delineating the... -
County
LiDAR Breaklines
Lake County, Illinois —
Breaklines are collected in areas where the bare-earth surface LiDAR needs additional definition, like top of banks, hydrologic features and major roads. The 3D... -
State
10-digit HU (Watershed) 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... -
State
14-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... -
State
HUC Watershed Poly
State of Connecticut —
This data set is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The original data set was developed by delineating the... -
State
Quaternary Geology LIS Channel-Fill Deposits
State of Connecticut —
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in... -
State
Borrow Areas
Florida Department of Environmental Protection —
Contains polygons and known attributes of all offshore borrow areas and geotechnical studies for the state of Florida. -
State
2019 Arctic strategic transportation and resources (ASTAR) project field station data and descriptions: Inigok airstrip and Teshekpuk Lake region, North Slope, Alaska
State of Alaska —
2019 Arctic strategic transportation and resources (ASTAR) project field station data and descriptions: Inigok airstrip and Teshekpuk Lake region, North Slope,...
91 datasets found for "Hydrology"