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1739 Broadway
Boulder, CO 80306
303-441-3200
303-441-4210 Fax

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PO Box 791
Boulder, CO 80306

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Floodplain Maps

Floodplain Maps

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OVERVIEW

Floodplain maps provide the basis for flood management, regulation and insurance requirements by identifying areas subject to flooding which threaten life safety and damage to property.  These maps then guide the community in adopting flood management programs including floodplain preservation, preparedness, education, regulation and mitigation.  The city floodplain map is available online to assist the public in identifying flood-prone properties.

FLOODPLAIN MAP CHANGES

Floodplain maps are periodically updated and revised to reflect changing conditions, such as new topography, land development, updated mapping studies, impacts of flooding, and construction of floodplain improvements.

Floodplain map changes take several forms:

  • Publication of a new Flood Insurance Rate Map (FIRM)
  • Letters of Map Changes (LOMC)
  • Conditional Letter of Map Amendment (CLOMA)
    • Conditional Letter of Map Revision (CLOMR)
    • Conditional Letter of Map Revision based on Fill (CLOMRF)
    • Letter of Map Amendment (LOMA)
    • Letter of Map Revision (LOMR)
    • Letter of Map Revision based on Fill (LOMRF)
  • Local Map Changes

LOCATING PROPERTIES IN THE FLOODPLAIN

The City of Boulder has set up an online floodplain map to allow the public to access information about local floodplains and search for specific properties.

eMaps Link (click on "Flood")

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