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The Great Flood of 1913 occurred between March 23 and March 26, after major rivers in the central and eastern United States flooded from runoff and several days of heavy rain. Related deaths and damage in the United States were widespread and extensive. While the exact number is not certain, flood-related deaths in Ohio, Indiana, and eleven ...
Congress also approved a flood insurance act, making cities that adopt floodplain maps and restrict development in those areas eligible for insurance; Columbus joined the program in 1971. In 1983, FEMA created a map designating nearly all of Franklinton as a floodplain, and thus Columbus City Council severely restricted new construction in the ...
Franklinton is a neighborhood in Columbus, Ohio, just west of its downtown. Settled in 1797, Franklinton is the first American settlement in Franklin County, and was the county seat until 1824. As the city of Columbus grew, the city annexed and incorporated the existing settlement in 1859. Franklinton is bordered by the Scioto River on the ...
195.6 cu ft/s (5.54 m 3 /s), USGS water years 1974-1998 [4] Map of Alum Creek highlighted within the Scioto River watershed. Alum Creek is 58-mile (93 km) long creek that runs north to south in central Ohio. The creek originates in Morrow County and then flows through Delaware County and finally into Franklin County, where it ends at Big Walnut ...
A 100-year flood is a flood event that has on average a 1 in 100 chance (1% probability) of being equaled or exceeded in any given year. [1] The 100-year flood is also referred to as the 1% flood. [2] For coastal or lake flooding, the 100-year flood is generally expressed as a flood elevation or depth, and may include wave effects.
The population of Ohio was 11,785,935 at that time, a decrease of 0.1% from 2020. The average population of Ohio's counties was 133,931; Franklin County was the most populous (1,326,063) and Vinton County was the least (12,474). The average land area is 464 sq mi (1,200 km 2).
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.
A flood insurance rate map ( FIRM) is an official map of a community within the United States that displays the floodplains, more explicitly special hazard areas and risk premium zones, as delineated by the Federal Emergency Management Agency (FEMA). [1] The term is used mainly in the United States but similar maps exist in many other countries ...