a statistical calculation that helps the government determine floodplain maps, marking the boundary where there's a 1% chance of flooding in any single given year within an average period of 100 ...
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The 100 Year Flood Is Not What You Think It Is (Maybe)The term "100-year flood" is often misunderstood—many ... explaining how engineers and meteorologists calculate flood zones, why floodplain maps matter, and why floods can happen more often ...
10monon MSN
Updated maps from Williamson County show an increase of 6,000 structures in the 100-year flood plains. The last information available was from 1994.
Latest data shows minimal changes for majority of the Lake of the Ozarks area from current effective floodplain map ...
BURLINGTON - An updated 100-Year Floodplain District bylaw was unanimously recommended favorably by the Planning Board.
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