{ "culture": "en-US", "name": "WPP_Drainage_Basins", "guid": "34720A08-CD2F-4B4E-89D2-D42A9FDD51C6", "catalogPath": "", "snippet": "MS4 (Municipal Separate Storm Sewer System) outfall drainage areas in the unincorporated areas of San Diego County. Mapped initially LUEG-GIS using ESRI Spatial Analyst Hydrology tools. These\nareas were then edited by DPW Watershed Protection Program using in-the-field observations and knowledge. These catchments are labeled SOURCE = CUSTOM ANALYSIS. All other catchments were delineated using GIS methods only and are identified by SOURCE = DEM ANLAYSIS. DRAFT AREAS FOR REVIEW: Fields labeled WPP REVIEW are new delineations of outfall catchment areas using\nthe newest (2018) SD County DEM with a spatial resolution of 2.5ft. Fields labeled SOURCE = FIELD CHECK 2020 were checked and verified by consultants.\n\nThe countywide DEM was altered by burning in SD County Culverts and Channels, as well as Caltrans Culverts to model the movement of runoff through manmade conveyance not captured by the DEM. Burn depth was determined by attribute data where available. SD Culverts and Channels burn depth was based on the attribute INLET_BOX_DEPTH or OUTLET_BOX_DEPTH. If neither of these attributes were populated, the mean of the existing attributes (8 ft) was used as a burn depth. For the Caltrans culvert system depths of 10 ft were used culverts adjoining SRs and 20 ft for Interstates. Standard watershed processes were applied, basin\nby basin through automated methods to delineate catchments based on point data provided by WPP.", "description": "Mapping Drainage basins to help determine run off and flow of water and pollutants", "summary": "MS4 (Municipal Separate Storm Sewer System) outfall drainage areas in the unincorporated areas of San Diego County. Mapped initially LUEG-GIS using ESRI Spatial Analyst Hydrology tools. These\nareas were then edited by DPW Watershed Protection Program using in-the-field observations and knowledge. These catchments are labeled SOURCE = CUSTOM ANALYSIS. All other catchments were delineated using GIS methods only and are identified by SOURCE = DEM ANLAYSIS. DRAFT AREAS FOR REVIEW: Fields labeled WPP REVIEW are new delineations of outfall catchment areas using\nthe newest (2018) SD County DEM with a spatial resolution of 2.5ft. Fields labeled SOURCE = FIELD CHECK 2020 were checked and verified by consultants.\n\nThe countywide DEM was altered by burning in SD County Culverts and Channels, as well as Caltrans Culverts to model the movement of runoff through manmade conveyance not captured by the DEM. Burn depth was determined by attribute data where available. SD Culverts and Channels burn depth was based on the attribute INLET_BOX_DEPTH or OUTLET_BOX_DEPTH. If neither of these attributes were populated, the mean of the existing attributes (8 ft) was used as a burn depth. For the Caltrans culvert system depths of 10 ft were used culverts adjoining SRs and 20 ft for Interstates. Standard watershed processes were applied, basin\nby basin through automated methods to delineate catchments based on point data provided by WPP.", "title": "WPP_Drainage_Basins", "tags": [ "ms4", "watershed protection", "public works", "drainage", "outfalls" ], "type": "Feature Service", "typeKeywords": [ "ArcGIS", "ArcGIS Server", "Data", "Feature Access", "Feature Service", "providerSDS", "Service" ], "thumbnail": "thumbnail/thumbnail.png", "url": "", "extent": [ [ -117.315486388707, 32.5498404398076 ], [ -116.4044975469, 33.4357550491041 ] ], "minScale": 0, "maxScale": 1.7976931348623157E308, "spatialReference": "NAD_1983_StatePlane_California_VI_FIPS_0406_Feet", "accessInformation": "County of San Diego, Planning and Development Services, LUEG-GIS", "licenseInfo": "" }