IA · Region 7

LOMA and LOMR-F in Iowa

Iowa has repeatedly experienced large-scale riverine flooding. The 2008 and 2016 Cedar Rapids events drove widespread map revisions, and LOMA workloads remain active across Polk, Linn, and Scott counties.

LOMA in Iowa

LOMA candidates often include structures on natural terraces above Cedar and Iowa river floodplains.

Read the national LOMA page →

LOMR-F in Iowa

LOMR-F cases come up where mitigation fill was added after recent floods.

Read the national LOMR-F page →

Where activity concentrates

Major metros

  • Des Moines
  • Cedar Rapids
  • Davenport
  • Sioux City

Common counties

  • Polk County
  • Linn County
  • Scott County

Licensing and documentation in Iowa

Iowa Professional Land Surveyors or Professional Engineers must prepare elevation documents.

Frequently asked questions about Iowa

Can a property in Iowa qualify for a FEMA LOMA?

Yes, many Iowa properties qualify when the structure or parcel sits on natural high ground above the Base Flood Elevation. LOMA candidates often include structures on natural terraces above Cedar and Iowa river floodplains. A specialist review can confirm whether the property matches the LOMA pattern before you order new survey work.

When is a LOMR-F the right path in Iowa?

A LOMR-F applies when earthen fill created the elevation difference. LOMR-F cases come up where mitigation fill was added after recent floods. If fill was used, packaging the file as a LOMA usually creates delay.

Who can prepare an Elevation Certificate in Iowa?

Iowa Professional Land Surveyors or Professional Engineers must prepare elevation documents. FloodMapReview.com can review an existing Elevation Certificate or connect you with a qualified professional if new survey work is needed.

Which Iowa counties see the most LOMA and LOMR-F activity?

Activity is concentrated in Polk County, Linn County, Scott County, driven by major river flooding on the mississippi, missouri, and cedar rivers.

Does a LOMA in Iowa automatically remove flood insurance?

Not automatically. A LOMA can change the federal mandatory-purchase requirement, but Iowa lenders and insurance carriers still make underwriting decisions. A Iowa homeowner may still choose to keep voluntary coverage.

How long does a Iowa LOMA typically take?

Timing depends on document readiness and whether the case qualifies for the faster professional-submitted eLOMA route. Most Iowa files move faster when the Elevation Certificate and FEMA correspondence are gathered before submission.

Can FloodMapReview.com help with a LOMA anywhere in Iowa?

Yes. We review LOMA and LOMR-F files across all Iowa counties, including Des Moines, Cedar Rapids, Davenport and surrounding areas. Call (281) 870-4492 to talk through an urgent file.

What documents should Iowa homeowners gather first?

Start with the property address, current flood zone or lender determination, any existing Elevation Certificate or survey, prior FEMA correspondence, and a lender or insurance notice if one triggered the review. Upload what you have and a specialist will identify the next step.

Reviewed by

FloodMapReview Engineering

Licensed P.E. and CFM team, FloodMapReview.com

FloodMapReview Engineering is a team of licensed Professional Engineers and Certified Floodplain Managers who have reviewed hundreds of LOMA, LOMR-F, eLOMA, and Online LOMC files across the United States. The team specializes in helping homeowners, buyers, lenders, and surveyors navigate the FEMA flood map amendment process. FloodMapReview engineers personally review every case for eligibility, ensure Elevation Certificates and supporting documents meet FEMA standards, and guide clients from initial assessment through final determination.