Grothman & Associates,S.C.  Land Surveyors GROTHMAN & ASSOCIATES

Flood Plain Determination

When a parcel of land is mapped in the flood plain by FEMA (Federal Emergency Management Agency) flood insurance is required. There can be discrepancies between mapped and actual elevations. If the property is surveyed out of the flood plain the surveyor will map the actual property elevations, including the lowest elevation within a building such as its basement or crawl space. This map, along with additional information may be submitted for review to FEMA. The requirement for flood insurance can be released and the FEMA maps will be revised.

Flood plain surveys are also used in flood plain areas where new construction is required to be built two feet above the 100 Year Flood Elevation. The surveyor will set a reference point (benchmark) for the construction phase.

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