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2016 3-foot Digital Elevation Model (DEM) – LARIAC 4

 

Digital Elevation Model (DEM) acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2016. The DEM represents bare earth, whereas a related product (DSM) contains elevations and includes buildings, vegetation, and roads, as well as natural terrain features, whereas .

This dataset replaces the […]

Stormwater Catchment Areas

 

Abstract: This GIS layer was created to delineate catchment areas for Municipal Separate Storm Sewer System (MS4) outfalls under the Los Angeles County Flood Control District (LACFCD) jurisdiction pursuant to a 2012 National Pollutant Discharge Elimination System (NPDES) permit.

 

Description: The data is a compilation of storm drain hydrology studies completed by the […]

Los Angeles County Sub Watersheds

Abstract: Boundaries of sub watersheds or watershed sub areas. Original areas were drawn on U.S.G.S. 7 ½ minute, 1:24,000 scale topo quad sheets by Hydraulic Water Conservation Division. Digitized into ComputerVision CADDS4 by Environmental Programs Division (EPD). Converted to Atlas GIS Atlas Graphic Format (.agf) by EPD. Cleaned up, topology built, downstream connectivity developed […]

2006 5-foot (1.7M) Digital Elevation Model (DEM) – LARIAC

***NOTE***The data is held under license from InfoTech International, and cannot be publicly released.

Digital Elevation Model (DEM) acquired as part of the Los Angeles Regional Imagery Acquisition Consortium in 2006. The DEM represents bare earth, whereas a related product (DSM) contains elevations and includes buildings, vegetation, […]