SD · Region 8
LOMA and LOMR-F in South Dakota
South Dakota flood risk centers on the Big Sioux River through Sioux Falls and Black Hills flash flooding near Rapid City. LOMA volume is moderate.
LOMA in South Dakota
LOMA candidates often sit on natural benches above mapped river corridors.
Read the national LOMA page →LOMR-F in South Dakota
LOMR-F is less common outside of newer planned subdivisions.
Read the national LOMR-F page →Where activity concentrates
Major metros
- • Sioux Falls
- • Rapid City
Common counties
- • Minnehaha County
- • Pennington County
Licensing and documentation in South Dakota
South Dakota-licensed P.L.S. or P.E. must prepare elevation documents.
Frequently asked questions about South Dakota
Can a property in South Dakota qualify for a FEMA LOMA?
Yes, many South Dakota properties qualify when the structure or parcel sits on natural high ground above the Base Flood Elevation. LOMA candidates often sit on natural benches above mapped river corridors. 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 South Dakota?
A LOMR-F applies when earthen fill created the elevation difference. LOMR-F is less common outside of newer planned subdivisions. If fill was used, packaging the file as a LOMA usually creates delay.
Who can prepare an Elevation Certificate in South Dakota?
South Dakota-licensed P.L.S. or P.E. 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 South Dakota counties see the most LOMA and LOMR-F activity?
Activity is concentrated in Minnehaha County, Pennington County, driven by riverine flooding and flash floods in the black hills.
Does a LOMA in South Dakota automatically remove flood insurance?
Not automatically. A LOMA can change the federal mandatory-purchase requirement, but South Dakota lenders and insurance carriers still make underwriting decisions. A South Dakota homeowner may still choose to keep voluntary coverage.
How long does a South Dakota LOMA typically take?
Timing depends on document readiness and whether the case qualifies for the faster professional-submitted eLOMA route. Most South Dakota files move faster when the Elevation Certificate and FEMA correspondence are gathered before submission.
Can FloodMapReview.com help with a LOMA anywhere in South Dakota?
Yes. We review LOMA and LOMR-F files across all South Dakota counties, including Sioux Falls, Rapid City and surrounding areas. Call (281) 870-4492 to talk through an urgent file.
What documents should South Dakota 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.