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Plan preparers should and County staff will use this information when evaluating compliance with requirements to discharge storm water to an adequate system or detention facility.\nThe erosion and flooding problems identified in the layer were determined using the following county datasets: \n\u2022Stream Physical Assessment 1.0 Erosion \n\u2022Stream Physical Assessment 1.0 Reach Habitat\n\u2022Stream Physical Assessment 1.0 Head Cuts \n\u2022Stream Physical Assessment 2.0 \n\u2022Open Channel Inspections\n\u2022Stormwater Planning Division Investigation \n", "mapName": "Layers", "description": "", "copyrightText": "Fairfax County, Virginia; Land Development Services", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "Inadequate Outfalls", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 399999.9999999996, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "supportsDynamicLegends": true } ], "tables": [ { "id": 1, "name": "DIT_GIS.LDSAMGR.INADEQUATE_OUTFALLS_ATTACH", "type": "Table" } ], "spatialReference": { "wkid": 103176, "latestWkid": 6593, "xyTolerance": 0.003280833333333333, "zTolerance": 2, "mTolerance": 0.001, "falseX": -110512500, "falseY": -88858000, "xyUnits": 3.6916142964165E7, "falseZ": 0, "zUnits": 1, "falseM": -100000, "mUnits": 10000 }, "singleFusedMapCache": false, "initialExtent": { "xmin": 1.1781814578728387E7, "ymin": 7035173.94394493, "xmax": 1.1858144871541968E7, "ymax": 7065918.089661512, "spatialReference": { "wkid": 103176, "latestWkid": 6593, "xyTolerance": 0.003280833333333333, "zTolerance": 2, "mTolerance": 0.001, "falseX": -110512500, "falseY": -88858000, "xyUnits": 3.6916142964165E7, "falseZ": 0, "zUnits": 1, "falseM": -100000, "mUnits": 10000 } }, "fullExtent": { "xmin": 1.1741487725131297E7, "ymin": 6926718.107017881, "xmax": 1.1898471725139054E7, "ymax": 7066946.107073148, "spatialReference": { "wkid": 103176, "latestWkid": 6593, "xyTolerance": 0.003280833333333333, "zTolerance": 2, "mTolerance": 0.001, "falseX": -110512500, "falseY": -88858000, "xyUnits": 3.6916142964165E7, "falseZ": 0, "zUnits": 1, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 399999.9999999996, "maxScale": 0, "units": "esriFeet", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "Inadequate Outfalls", "Author": "", "Comments": "This dataset is a selection of known erosion and flooding problems throughout the County. The data is intended primarily to assist site plan preparers with establishing the existence of known erosion and flooding problems. \nIncreased volumes of sheet flow that will cause or contribute to erosion, sedimentation, or flooding of down gradient properties or resources shall be diverted to a stormwater management facility or a stormwater conveyance system that conveys the runoff without causing down-gradient erosion, sedimentation, or flooding per Stormwater Management Ordinance 124-4-4.E. Minimum Standard (MS) 19 of the Virginia Erosion and Sediment Control Regulations (9VAC25-840-40.19) requires stormwater discharge from permitted projects be diverted to an adequate conveyance or detention facility.\nThis data documents known inadequacies in the stormwater conveyance system. Plan preparers should and County staff will use this information when evaluating compliance with requirements to discharge storm water to an adequate system or detention facility.\nThe erosion and flooding problems identified in the layer were determined using the following county datasets: \n\u2022Stream Physical Assessment 1.0 Erosion \n\u2022Stream Physical Assessment 1.0 Reach Habitat\n\u2022Stream Physical Assessment 1.0 Head Cuts \n\u2022Stream Physical Assessment 2.0 \n\u2022Open Channel Inspections\n\u2022Stormwater Planning Division Investigation \n", "Subject": "This service is a polygon representing areas with Inadequate Outfalls in Fairfax County. This feature class is intended for public use. 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