PRELIMINARY FEMA BASE FLOOD ELEVATION<\/span><\/p>This dataset contains polygons representing the preliminary base flood elevation for St. Tammany Parish as set forth by FEMA.<\/span><\/p>This data is updated by the Federal Emergency Management Agency.<\/span><\/p>https://www.fema.gov/flood-maps/national-flood-hazard-layer<\/span><\/a><\/p><\/div><\/div><\/div>",
"mapName": "FEMA",
"description": "PRELIMINARY FEMA BASE FLOOD ELEVATIONThis dataset contains polygons representing the preliminary base flood elevation for St. Tammany Parish as set forth by FEMA.This data is updated by the Federal Emergency Management Agency.https://www.fema.gov/flood-maps/national-flood-hazard-layer",
"copyrightText": "©2025 Federal Emergency Management Agency - National Flood Hazard\n©2025 St. Tammany Parish Government - GIS Division of the Department of Technology\n\nLast Updated: ",
"supportsDynamicLayers": true,
"layers": [
{
"id": 0,
"name": "Preliminary Base Flood Elevation",
"parentLayerId": -1,
"defaultVisibility": true,
"subLayerIds": null,
"minScale": 0,
"maxScale": 0,
"type": "Feature Layer",
"geometryType": "esriGeometryPolyline",
"supportsDynamicLegends": true
}
],
"tables": [],
"spatialReference": {
"wkid": 102682,
"latestWkid": 3452,
"xyTolerance": 0.003280833333333333,
"zTolerance": 0.001,
"mTolerance": 0.001,
"falseX": -124791100,
"falseY": -91255500,
"xyUnits": 3048.006096012192,
"falseZ": -100000,
"zUnits": 10000,
"falseM": -100000,
"mUnits": 10000
},
"singleFusedMapCache": false,
"initialExtent": {
"xmin": 3447525.6709820717,
"ymin": 539587.5129480241,
"xmax": 3927126.3654265157,
"ymax": 894188.2073924684,
"spatialReference": {
"wkid": 102682,
"latestWkid": 3452,
"xyTolerance": 0.003280833333333333,
"zTolerance": 0.001,
"mTolerance": 0.001,
"falseX": -124791100,
"falseY": -91255500,
"xyUnits": 3048.006096012192,
"falseZ": -100000,
"zUnits": 10000,
"falseM": -100000,
"mUnits": 10000
}
},
"fullExtent": {
"xmin": 3623373.2473115027,
"ymin": 650388.2915303409,
"xmax": 3816061.343889922,
"ymax": 792474.399089843,
"spatialReference": {
"wkid": 102682,
"latestWkid": 3452,
"xyTolerance": 0.003280833333333333,
"zTolerance": 0.001,
"mTolerance": 0.001,
"falseX": -124791100,
"falseY": -91255500,
"xyUnits": 3048.006096012192,
"falseZ": -100000,
"zUnits": 10000,
"falseM": -100000,
"mUnits": 10000
}
},
"datesInUnknownTimezone": false,
"minScale": 0,
"maxScale": 0,
"units": "esriFeet",
"supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP",
"documentInfo": {
"Title": "FEMA",
"Author": "",
"Comments": "",
"Subject": "",
"Category": "",
"Version": "3.3.0",
"AntialiasingMode": "Normal",
"TextAntialiasingMode": "Normal",
"Keywords": "fema,base,flood,elevation,preliminary"
},
"supportsQueryDomains": true,
"capabilities": "Map,Query,Data",
"supportedQueryFormats": "JSON, geoJSON, PBF",
"exportTilesAllowed": false,
"referenceScale": 0.0,
"datumTransformations": [
{
"geoTransforms": [
{
"wkid": 108190,
"latestWkid": 108190,
"transformForward": true,
"name": "WGS_1984_(ITRF00)_To_NAD_1983"
}
]
},
{
"geoTransforms": [
{
"wkid": 108190,
"latestWkid": 108190,
"transformForward": false,
"name": "WGS_1984_(ITRF00)_To_NAD_1983"
}
]
},
{
"geoTransforms": [
{
"wkid": 15930,
"latestWkid": 4461,
"transformForward": false,
"name": "NAD_1983_HARN_To_NAD_1983_NSRS2007_1"
},
{
"wkid": 1484,
"latestWkid": 1484,
"transformForward": false,
"name": "NAD_1983_To_HARN_Louisiana"
}
]
},
{
"geoTransforms": [
{
"wkid": 1484,
"latestWkid": 1484,
"transformForward": true,
"name": "NAD_1983_To_HARN_Louisiana"
},
{
"wkid": 15930,
"latestWkid": 4461,
"transformForward": true,
"name": "NAD_1983_HARN_To_NAD_1983_NSRS2007_1"
}
]
}
],
"supportsDatumTransformation": true,
"floorAwareMapProperties": {
"defaultFloorFilterSettings": {"isEnabled": false}
},
"archivingInfo": {"supportsHistoricMoment": false},
"supportsClipping": true,
"supportsSpatialFilter": true,
"supportsTimeRelation": true,
"supportsQueryDataElements": true,
"mapUnits": {"uwkid": 9003},
"maxSelectionCount": 2000,
"maxRecordCount": 2000,
"maxImageHeight": 4096,
"maxImageWidth": 4096,
"supportedExtensions": "KmlServer",
"serviceItemId": "3af3fa90c57645caaeeb6758a6d332ed"
}