Name: FloodZones
Display Field: FLD_AR_ID
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: This is an update of the digital FIRM information in the state of Idaho. The FIRM is the basis for floodplain management, mitigation, and insurance activities for the National Flood Insurance Program (NFIP). Insurance applications include enforcement of the mandatory purchase requirement of the Flood Disaster Protection Act, which "... requires the purchase of flood insurance by property owners who are being assisted by Federal programs or by Federally supervised, regulated or insured agencies or institutions in the acquisition or improvement of land facilities located or to be located in identified areas having special flood hazards," Section 2 (b) (4) of the Flood Disaster Protection Act of 1973. In addition to the identification of Special Flood Hazard Areas (SFHAs), the risk zones shown on the FIRMs are the basis for the establishment of premium rates for flood coverage offered through the NFIP.This Database presents the flood risk information depicted on the FIRM in a digital format suitable for use in electronic mapping applications. This database has been created by digitizing data from georeferenced paper FIRM maps in the Idaho counties specified by this project. This data should be used as a reference layer, not as an authoritative source.The Flood Insurance Rate Map (FIRM) 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 (A or AE) and the 0.2-percent-annual- chance flood event (X). The FIRM data can be derived from Flood Insurance Studies (FISs) and previously published Flood Insurance Rate Maps (FIRMs). The FISs and FIRMs are published by the Federal Emergency Management Agency (FEMA). This database has been created by digitizing data from georeferenced paper FIRM maps and adding information from FIS where available. All FIRMs were georeferenced at a 1:4000 scale or finer. This data should be used as a reference layer, not as an authoritative source. Section 11 of FEMA's "Flood Insurance Rate Map (FIRM) Database Technical Reference: Preparing Flood Insurance Rate Map Databases (Nov. 2022)" document contains a detailed description of each attribute code and a reference to other relevant information.https://www.fema.gov/flood-maps/guidance-reports/guidelines-standards/technical-references-flood-risk-analysis-and-mappinghttps://www.fema.gov/sites/default/files/documents/fema_firm-database-technical-reference_112022.pdf
Service Item Id: 6e2d792fecb84d4ba14f1c74c62f751e
Copyright Text: FEMA, IDWR, Custer County, Idaho, Silver Jackets
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MaxRecordCount: 2000
MaxSelectionCount: 2000
Supported Query Formats: JSON, geoJSON, PBF
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Max Scale: 0.0
Supports Advanced Queries: true
Supports Statistics: true
Has Labels: false
Can Modify Layer: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports Datum Transformation: true
Extent:
XMin: 495123.81620000023
YMin: 4652091.496200001
XMax: 985380.6133000004
YMax: 5427948.696699999
Spatial Reference: 26911
(26911)
LatestVCSWkid(0)
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
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Value: A,
Label: 1% Annual Chance Flood Hazard
Description: N/A
Symbol:
Style: esriSFSSolid
Color:
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Outline:
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Color:
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Value: A,<Null>
Label: 1% Annual Chance Flood Hazard
Description: N/A
Symbol:
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Color:
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Outline:
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Width: 0
-
Value: AE,
Label: 1% Annual Chance Flood Hazard
Description: N/A
Symbol:
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Color:
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Outline:
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Width: 0
-
Value: AE,<Null>
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Color:
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Value: AH,<Null>
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Value: AO,<Null>
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Color:
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Value: A1-A30,
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Value: AO,
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Value: A,
Label: 1% Annual Chance Flood Hazard
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Value: A1-A30,
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Value: AH,
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Value: AO,
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Value: A1-A30,<Null>
Label: 1% Annual Chance Flood Hazard
Description: N/A
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Color:
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Outline:
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Color:
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Width: 0
-
Value: AE,FLOODWAY
Label: Regulatory Floodway
Description: N/A
Symbol:
Style: esriSFSBackwardDiagonal
Color:
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Outline:
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Color:
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Width: 0
-
Value: AE,Floodway
Label: Regulatory Floodway
Description: N/A
Symbol:
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Color:
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Outline:
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Color:
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Width: 0
-
Value: X,0.2 PCT ANNUAL CHANCE FLOOD HAZARD
Label: X
Description: N/A
Symbol:
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Color:
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Outline:
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Value: X,OTHER
Label: X
Description: N/A
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Color:
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Color:
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Width: 0
Transparency: 50
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