Which document is typically used to rate structures located in or near a floodplain for the purpose of flood insurance?

The document that is typically used to rate structures located in or near a floodplain for the purpose of flood insurance is known as the Elevation Certificate. This certificate provides important information about a building's elevation in relation to the floodplain and is crucial for assessing flood risk and compliance with floodplain management regulations.

An Elevation Certificate conveys precise measurements, including the lowest floor elevation of the structure, and is necessary for insurance agents to determine appropriate flood insurance premiums under the National Flood Insurance Program (NFIP). This documentation is essential for property owners looking to assess their flood insurance needs and understand their risk level.

While the other options provide valuable data related to environmental evaluations and flood protection, they do not serve the same specific purpose in determining insurance rates for structures in flood-prone areas. For example, a Floodproofing Certificate focuses more on the methods used to protect structures from flood damage rather than their elevation in relation to the floodplain, and Wetlands Evaluation assesses ecological aspects of wetlands rather than flood risk. The Elevation Form may provide similar data, but the Elevation Certificate is the official document required for the purposes outlined in flood insurance ratings.