| About the Kansas Base Flood Elevation Portal |
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The BFE Portal is a collaborative effort between the Kansas Geological Survey's Data Access and Support Center and the Kansas Department of Agriculture's Division of Water Resources. This site will allow you to request a Base Flood Elevation (BFE) where data is available within Zone A floodplains in Kansas. The base flood elevation is the computed elevation to which water is expected to rise during the one-percent annual chance flood. For detailed study areas such as zone AE, AO, or AH, please consult the Flood Insurance Study (FIS) or map panels, which are available from the FEMA Map Service Center. This Portal also provides elevations obtained from the LiDAR data in Kansas. This can be used as an approximate number only, as LiDAR is not survey accurate. For further instructions on how to use the portal, please visit the Home page. For helpful links, and Frequently Asked Questions see below. |
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What if I don't need a base flood elevation, and I only want to look at current
effective floodplains?
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Where can I find out where mapping projects are underway in Kansas?
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What if no base flood elevation data is available at my location?
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What is a Letter of Map Amendment?
In situations where a property owner thinks their property was inadvertently mapped in a Special Flood Hazard Area (SFHA) on a
Flood Insurance Rate Map (FIRM), also known as a flood map, FEMA provides a process for the public to request a change in the flood
zone designation for the property. This request is known as a Letter of Map Change (LOMC). In order to qualify for a LOMC, the
survey based Lowest Adjacent Grade (LAG) must be at or above the Base Flood Elevation (BFE).
More information
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My home looks like a good candidate for a Letter of Map Amendment, where can
I find a surveyor?
Please visit the Kansas Society of Land Surveyors website.
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If I qualify for a LOMA, should I still carry flood insurance?
If the BFE is utilized to remove a structure from the Special Flood Hazard Area (SFHA) with a LOMA or Letter of Map Revision based on
Fill (LOMR-F) the owner should consider carrying flood insurance with a Preferred Risk Policy (PRP). Larger floods than the 1% event
are possible and the source modeling for the BFE was developed using approximate methods. Structures located above the determined BFE
are not guaranteed to be safe from flooding.
More information
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Where can I find an insurance agent?
Please visit the FloodSmart website.
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How can I learn more about the National Flood Insurance Program?
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