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County
Allegheny County Hydrology Areas
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
The Hydrology Feature Dataset contains photogrammetrically compiled water drainage features and structures including rivers, streams, drainage canals, locks, dams,... -
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... -
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... -
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. -
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... -
County
Allegheny County Hydrology Lines
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
The Hydrology Feature Dataset contains photogrammetrically compiled water drainage features and structures including rivers, streams, drainage canals, locks, dams,... -
County
Data for "The effects of the land use regulatory framework on stream ecosystems in unincorporated King County watersheds"
King County, Washington —
This dataset represents land cover mapping, physical habitat measurements, continuous hydrology measurements, salt tracer measurements, and benthic macroinvertebrate... -
County
Base Map Update Years: 2020-2024
Loudoun County, Virginia —
Loudoun County, Office of Mapping and Geographic Information (OMAGI) has a seamless countywide base map geodatabase that can be used as a reference when mapping all... -
County
Hydrologic Information Center - Field Measurements
King County, Washington —
Field observations performed by Hydrologic Information Center staff. -
County
Hydrology Polygons Data Dictionary
Lake County, Illinois —
An in-depth description of the Hydrology Polygons GIS dataset outlining terms of use, update frequency, attribute explanations, and more. -
County
Hydrologic Information Center - Multi-depth data
King County, Washington —
Data taken from multiple depths in King County bodies of water. -
County
Hydrologic Information Center - Station Search
King County, Washington —
Search for monitoring stations maintained by King County's Hydrologic Information Center. (use a blank search to see all stations). -
County
King County Ambient Streams Monitoring - Gaging Details
King County, Washington —
This dataset contains information on gaging locations associated with King County ambient stream monitoring program sites, including their status, location, and... -
County
Hydrologic Information Center - Multi-parameter data
King County, Washington —
Search for Hydrology data by parameter, for a specified site. -
County
Hydrologic Information Center - Multi-site data
King County, Washington —
Search for hydrologic data across sites, by a specified parameter. -
County
Stream Gage Hydrology Data
King County, Washington —
This dataset contains hydrologic data from stream gages in the King County Stream Gage Network. See data.kingcounty.gov/Environment-Waste-Management/WLRD-Sites/wbhs-...