Flood zones by zip code

News Media. Anywhere it rains, it can flood. Everyone in Pinellas County is in a flood zone. Flood zones can be low, moderate, or high risk.

Flood zones, evacuation zones, and storm surge are different. They measure different conditions that may not occur at the same time, are determined by different methods, and have different purposes. A home may be located in a non-evacuation zone, yet still be located in a high-risk flood zone because of a nearby stream or pond. Mapped Floodplains. Channels Bayous and Creeks. Mapped Floodplains — Areas delineated on a Federal Emergency Management Agency Flood Insurance Rate Map FIRM or floodplain map that are at risk for flooding from a bayou, creek or other waterway overflowing its banks during certain rainfall or storm-related events.

Floodway — A regulatory zone within a 1 percent year floodplain closest to a bayou or creek where land development is regulated by a city or a county. Structures located in a 1 percent year floodplain have a minimum of a 1 percent chance of flooding in any given year and a minimum of a 26 percent chance of flooding during a year period of time.

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