FEMA Flood Hazard Zones

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The Flood Hazard Zones are extracted from the National Flood Hazard Layer, which is a database that contains FEMA’s flood hazard map data. The database contains flood hazard information and supporting data used to develop the information. The primary flood … Continued

FEMA Flood Hazard Zones, 2019

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The Flood Hazard Zones are extracted from the National Flood Hazard Layer, which is a database that contains FEMA’s flood hazard map data.

FEMA Flood Hazard Zones

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The Flood Hazard Zones are extracted from the National Flood Hazard Layer, which is a database that contains FEMA’s flood hazard map data. The database contains flood hazard information and supporting data used to develop the information. The primary flood … Continued

Surface Texture (Dominant Component)

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Surface Texture is based on the composition of sand, silt, and clay in the surface layer of soil based on the standard soil triangle definition.

Hydrologic Soil Group (Dominant Condition)

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Hydrologic Soil Group, which estimates potential runoff from precipitation based on soils characteristics, has been updated to the October 2019 NRCS SSURGO data release.

Farmland Class

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Farmland Class, which shows prime and important farmland, has been updated to the October 2019 NRCS SSURGO data release.

Slope Gradient (Weighted Average)

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Slope Gradient, depicting the steepness of the landscape by soil type, has been updated to the October 2019 NRCS SSURGO data release.

Flooding Frequency (Dominant Condition)

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Flooding Frequency, based on soil characteristics, has been updated to the October 2019 NRCS SSURGO data release. Note there is a change to the legend used to depict the data in this update.