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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
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.... -
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... -
County
Watersheds
Fairfax County, Virginia —
Watersheds within Fairfax County. There are 30 watersheds delineated across Fairfax County. -
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... -
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... -
County
Sanitary Districts
Lake County, Illinois —
Download In State Plane Projection Here. Sanitary Districts provide sewage collection and treatment within their service areas. Update Frequency: This dataset is...