FEMA Map Amendments and Revisions

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FEMAMap Amendmentsand Revisions
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MAP REVISIONS

• Changes in physical condition of floodplain
• Increased or decreased flood heights (BFE)
• Availability of new and improved technical data

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PROPOSED CHANGES

• Because of the legal significance of NFIP maps,
  information supporting revisions must be
  scientifically and technically accurate

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MAP REVISION CATEGORIES

• Appeals
• Map revisions
• Map amendments

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LOMA LOMR-F

• Topography is wrong or
• has changed because of fill

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LOMR

• New technical data, such as
• Channel modification
• Bridge
• Culvert
• Levee (floodwall)

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LOMC-LOMA-LOMR

• Letter of Map Change, or
• Letter of Map Amendment
• Letter of Map Revision-Based on Fill
• Letter of Map Revision
• Map Accuracy

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LOMA-LOMR

• MT-1 Forms
• MT-2 Forms
• MT-EZ (Single Lot or Structure)

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LOMC-LOMA-LOMR

• Provides an administrative procedure where by
  FEMA will review information submitted by an
  owner of property who believes that his or her
  property has been inadvertently included in a
  designated special flood hazard area

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LOMA Letter of Map Amendment

• A letter from FEMA stating that an existing
  structure or parcel of land that has not been
  elevated by fill would not be inundated by the
• 100-year flood

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LOMR-FLetter of Map Revision (Based on Fill)

• A letter from FEMA stating that an existing
  structure or parcel of land that has been
  elevated by fill would not be inundated by the
  100-year flood

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CLOMAConditional Letter of Map Amendment

• A letter from FEMA stating that a proposed
  structure that is not to be elevated by fill
  would not be inundated by the 100-year flood if
  built as proposed

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CLOMR-FConditional Letter of Map Revision (Based
on Fill)

• A letter from FEMA stating that a parcel of land
  or proposed structure that is to be elevated fill
  would not be inundated by the 100-year flood if
  fill is placed on the parcel as proposed or the
  structure is built as proposed

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LOMA LOMR-F MT-1 Forms

• 1. Property Information Form
• 2. Elevation Information Form
• 3. Community Acknowledgment and
  Certification,Reasonably Safe From Flooding
  
  
  

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LOMRLetter of Map Revision

• A letter from FEMA officially revising the
  current National Flood Insurance Program map to
  show changes to floodplains, floodways, or flood
  elevations

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CLOMRConditional Letter of Map Revision

• A letter from FEMA commenting on whether a
  proposed project, if built as proposed, would
  justify a map revision (LOMR or PMR), or proposed
  hydrology changes

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PMRPhysical Map Revision

• A reprinted National Flood Insurance Program map
  incorporating changes to floodplains, floodways,
  or flood elevations

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LOMR MT-2 Forms

• 1. Revision Requestor and Community Official
  Form
• 2. Certification by Registered Professional
  Engineer
• 3. Hydrologic Analysis Form
• 4. Riverine Hydraulic Analysis Form
• 5. Riverine/Coastal Mapping Form

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LOMR MT-2 Forms

• 6. Channelization Form
• 7. Bridge/Culvert Form
• 8. Levee Floodwall System Analyses
• 9. Coastal Analysis Form
• 10. Coastal Structures Form
• 11. Dam Form
• 12. Alluvial Fan Flooding Form

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LOMA LOMRFrequently Asked Questions

• Fee Charged?
• Internet
• www.fema.gov/MIT/feesch.htm

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LOMA LOMRFrequently Asked Questions

• What is the allowable increase in the base flood
  elevation (BFE)?
• Without Floodway - allowable increase is 1.0 foot
  (if allowed by local ordinance)
• With Floodway - allowable increase is 0.00 foot

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LOMA LOMR-F

• topography is wrong or has changed because of
  fill

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LOMR

• new technical data
• channel modification, bridge or culvert, levee
  or floodwall

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LOMA-LOMR

• LOMA LOMR-F MT-1
• LOMR MT-2

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References

• NFIP Regulations 44 CFR 65, 67, 70
• FIA-12, A Guide for Community Officials, Appeals,
  Revisions, and Amendments to NFIP Maps
• MT-1, MT-2, and MT-EZ Forms www.fema.gov
• FEMA website www.fema.gov