View In:   ArcGIS Online Map Viewer

Name: Proposed Floodway

Display Field: name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This inundation map for the regulatory floodway was generated by CENWP-EC Floodplain Management Services Program using the 2025 FPMS hydraulic model of Lookingglass Creek. HEC-RAS hydraulic models have several components including a terrain model, numerical grid, hydraulic roughness characterization, hydraulic structures, boundary and initial conditions, and computational settings. For more information on Hydraulic Model characterization, see the 2025 Lookingglass Creek Flood Study Hydraulics Report

Service Item Id: ca86486e6a6344d9863ccb0e5305ce04

Copyright Text: U.S. Army Corps of Engineers

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Extent:

XMin: 4132381.3638451397
YMin: 542060.373031497
XMax: 4139892.691272959
YMax: 545301.9458661377
Spatial Reference: PROJCS["NAD_1983_2011_StatePlane_Oregon_South_FIPS_3602_Ft_Intl",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",4921259.843],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-120.5],PARAMETER["Standard_Parallel_1",42.3333333333333],PARAMETER["Standard_Parallel_2",44.0],PARAMETER["Latitude_Of_Origin",41.6666666666667],UNIT["foot",0.3048]]

Drawing Info:

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Labeling Info:

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field:

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Templates:

• Name: ProposedFloodway
  Description:
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  name: null
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