Name: Floodplain - FEMA Regulated
Display Field: DFIRM_ID
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: FEMA DFIRM (Digital Flood Insurance Rate Map) floodplain effective December 18, 2012, created for Boulder County and all municipalities within under the direction of the FEMA Map Modernization project. This data supercedes all other flood data.Per FEMA: Data included on this CD-ROM represents Final Flood Insurance Rate Map (FIRM) data that has been published as effective FIRM or DFIRM information. The data are the official and legal representation of the effective flood zones.Further edits include all LOMRs dated after 12/18/12.Boulder County added a field, "Regulating Entity" to distinguish this from Boulder County regulatory floodplain.
Prior to July 2022, the Public Works Department and former Transportation Department were custodians of this dataset.
Prior Credits: FEMA (Federal Emergency Management Association), Boulder County Transportation
Copyright Text: Boulder County Community Planning & Permitting
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Extent:
XMin: 2945483.1890973393
YMin: 1209671.6911996119
XMax: 3146031.063662418
YMax: 1339078.440587718
Spatial Reference: 0
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LatestVCSWkid(0)
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Renderer:
Unique Value Renderer:
Field 1: ZONE_SUBTY
Field 2: null
Field 3: null
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UniqueValueInfos:
-
Value: ADMINISTRATIVE FLOODWAY
Label: Floodway
Description:
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Value: FLOODWAY
Label: Floodway
Description:
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Color: [230, 76, 0, 255]
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-
Value:
Label: 100-year Floodplain
Description:
Symbol:
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Color: [151, 219, 242, 255]
Outline:
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Color: [110, 110, 110, 255]
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-
Value: 0.2 PCT ANNUAL CHANCE FLOOD HAZARD
Label: 500-year Floodplain
Description:
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Type ID Field: null
Fields:
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OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
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DFIRM_ID
(
type: esriFieldTypeString, alias: DFIRM_ID, length: 6
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VERSION_ID
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STUDY_TYP
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, Coded Values:
[1000: SFHAs WITH LOW FLOOD RISK]
, [1010: SFHAs WITH MEDIUM FLOOD RISK]
, [1020: SFHAs WITH HIGH FLOOD RISK]
, ...3 more...
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SFHA_TF
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DEPTH
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VELOCITY
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, [0210: 1 PCT ANNUAL CHANCE FLOOD HAZARD CONTAINED IN CHANNEL]
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SOURCE_CIT
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REGULATING_ENTITY
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