Flood Elevation Lines
Base flood elevation lines indicate the rounded whole foot water-surface elevation of the 1 percent annual chance flood.
332 Datasets
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User since 06/09/2020
Base flood elevation lines indicate the rounded whole foot water-surface elevation of the 1 percent annual chance flood.
Spatial elements representing the boundaries of the flood hazard areas depicted on the Flood Insurance Rate Map (FIRM) are lines.
The Where We Stand (WWS) series produced by East-West Gateway (EWG) has provided comparisons of the St. Louis region with other large metropolitan areas since 1992.
Ecological Significance data provided by East-West Gateway