Name: FEMA Flood Hazard Area
Display Field: fld_ar_id
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: Location and attributes for flood insurance risk zones on the FIRM.The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any Letters of Map Revision (LOMRs) that have been issued against those databases since their publication date. It is updated on a monthly basis. The FIRM Database is the digital, geospatial version of the flood hazard information shown on the published paper FIRMs. The FIRM Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. The FIRM Database is derived from Flood Insurance Studies (FISs), previously published FIRMs, flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by FEMA. The NFHL is available as State or US Territory data sets. Each State or Territory data set consists of all FIRM Databases and corresponding LOMRs available on the publication date of the data set. The specification for the horizontal control of FIRM Databases is consistent with those required for mapping at a scale of 1:12,000. This file is georeferenced to the Earth's surface using the Geographic Coordinate System (GCS) and North American Datum of 1983.
Copyright Text:
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MaxRecordCount: 2000
Supported Query Formats: JSON, geoJSON, PBF
Min Scale: 0
Max Scale: 0
Supports Advanced Queries: true
Supports Statistics: true
Has Labels: true
Can Modify Layer: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports Datum Transformation: true
Extent:
XMin: 3145891.571770638
YMin: 9898887.154870972
XMax: 3343380.310650632
YMax: 1.0128861810406312E7
Spatial Reference: 102739
(2277)
Drawing Info:
Renderer:
Unique Value Renderer:
Field 1: fld_zone
Field 2: zone_subty
Field 3: N/A
Field Delimiter: ,
Default Symbol:
Default Label: N/A
UniqueValueInfos:
-
Value: AE,FLOODWAY
Label: Floodway (Zone: AE)
Description: N/A
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Value: A,
Label: 1% Chance Floodplain (Zones: AE, AO, A)
Description: N/A
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Value: AE,
Label: 1% Chance Floodplain (Zones: AE, AO, A)
Description: N/A
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Color: [115, 223, 255, 255]
Outline:
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Width: 1
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Value: AO,
Label: 1% Chance Floodplain (Zones: AE, AO, A)
Description: N/A
Symbol:
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Color: [115, 223, 255, 255]
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Supports Sql Expression: true
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Supports Returning Geometry Centroid: false
HasZ: false
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field: null
Fields:
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objectid
(
type: esriFieldTypeOID, alias: objectid
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dfirm_id
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type: esriFieldTypeString, alias: dfirm_id, length: 6
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version_id
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type: esriFieldTypeString, alias: version_id, length: 11
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fld_ar_id
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study_typ
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fld_zone
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type: esriFieldTypeString, alias: fld_zone, length: 17
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zone_subty
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type: esriFieldTypeString, alias: zone_subty, length: 72
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sfha_tf
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type: esriFieldTypeString, alias: sfha_tf, length: 1
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static_bfe
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v_datum
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depth
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len_unit
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velocity
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type: esriFieldTypeDouble, alias: velocity
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vel_unit
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type: esriFieldTypeString, alias: vel_unit, length: 20
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ar_revert
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type: esriFieldTypeString, alias: ar_revert, length: 17
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ar_subtrv
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type: esriFieldTypeString, alias: ar_subtrv, length: 57
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bfe_revert
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dep_revert
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dual_zone
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source_cit
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shape
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ruleid
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st_area(shape)
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st_length(shape)
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