View In:
ArcGIS JavaScript
ArcGIS Online Map Viewer
ArcGIS Earth
ArcGIS Pro
Service Description: <div style='text-align:Left;'><p>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.</p><p>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.<br /></p><p>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. <br /></p><p>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.<br /></p><p><a href='https://www.fema.gov/flood-maps/guidance-reports/guidelines-standards/technical-references-flood-risk-analysis-and-mapping' target='_blank'>https://www.fema.gov/flood-maps/guidance-reports/guidelines-standards/technical-references-flood-risk-analysis-and-mapping</a><br /></p><p><a href='https://www.fema.gov/sites/default/files/documents/fema_firm-database-technical-reference_112022.pdf' target='_blank'>https://www.fema.gov/sites/default/files/documents/fema_firm-database-technical-reference_112022.pdf</a><br /></p><div><br /></div><p><span></span></p></div>
Map Name: Flood Hazard Layer File
Legend
All Layers and Tables
Dynamic Legend
Dynamic All Layers
Layers:
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
Spatial Reference:
26911
(26911)
LatestVCSWkid(0)
Single Fused Map Cache: false
Initial Extent:
XMin: 26391.080271263607
YMin: 4613298.636175001
XMax: 1454113.349228737
YMax: 5466741.556724999
Spatial Reference: 26911
(26911)
LatestVCSWkid(0)
Full Extent:
XMin: 495123.81620000023
YMin: 4652091.496200001
XMax: 985380.6133000004
YMax: 5427948.696699999
Spatial Reference: 26911
(26911)
LatestVCSWkid(0)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Map
Author:
Comments:
Subject:
Category:
Keywords: FEMA Flood Hazard Zone,Special Flood Hazard Area,Digital Flood Insurance Rate Map,NFIP,Base Flood Elevation,SFHA,Flood Insurance Rate Map,FIRM,Floodway
AntialiasingMode: Fast
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 2000
MaxSelectionCount: 2000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON, PBF
Supports Query Data Elements: true
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
Child Resources:
Info
Dynamic Layer
Supported Operations:
Export Map
Identify
QueryLegends
QueryDomains
Find
Return Updates