Jefferson County - East-West Gateway Coordinating Council

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14 Jefferson County – Section 2 TABLE J28 MISSISSIPPI AND MERAMEC RIVER FLOOD STAGES NEAR JEFFERSON COUNTY Station Stage (Flood Stage 16 ft) Date Meramec River at Valley Park 34.4 2/1/1916 Meramec River at Valley Park 39.73 12/6/1982 Meramec River at Valley Park 33 5/3/1983 Meramec River at Valley Park 28.5 2/26/1985 Meramec River at Valley Park 24.3 4/1/1985 Meramec River at Valley Park 26 6/21/1985 Meramec River at Valley Park 31.7 11/22/1985 Meramec River at Valley Park 22.2 10/5/1986 Meramec River at Valley Park 22.8 12/29/1987 Meramec River at Valley Park 22.5 5/29/1990 Meramec River at Valley Park 32.4 9/26/1993 Meramec River at Valley Park 37.4 4/14/1994 Meramec River at Valley Park 29.3 5/21/1995 Meramec River at Valley Park 24 5/8/2000 Meramec River at Valley Park 24.2 5/11/2002 Station Stage (Flood Stage at 24 ft) Date Meramec River at Arnold 38.9 4/28/1973 Meramec River at Arnold 38 4/16/1979 Meramec River at Arnold 43.9 12/6/1982 Meramec River at Arnold 39.8 5/4/1983 Meramec River at Arnold 35.7 2/27/1985 Meramec River at Arnold 36.2 11/22/1985 Meramec River at Arnold 36.4 10/9/1986 Meramec River at Arnold 32.9 5/20/1990 Meramec River at Arnold 34.3 4/18/1993 Meramec River at Arnold 45.3 8/1/1993 Meramec River at Arnold 33.9 11/18/1993 Meramec River at Arnold 41.7 4/14/1994 Meramec River at Arnold 41.1 5/21/1994 Meramec River at Arnold 36.7 5/18/2002 Station Stage (Flood Stage 16 ft) Date Big River at Byrnes Mill 30.2 8/21/1915 Big River at Byrnes Mill 24.37 5/27/1990 Big River at Byrnes Mill 29.37 9/25/1993 Big River at Byrnes Mill 27.61 11/16/1993 Big River at Byrnes Mill 21.55 4/30/1994 Big River at Byrnes Mill 20.08 4/24/1996 Big River at Byrnes Mill 15.31 5/15/1996 Big River at Byrnes Mill 17.72 11/27/1996 Big River at Byrnes Mill 16.08 1/29/1997 Big River at Byrnes Mill 19.99 2/28/1997 Big River at Byrnes Mill 20.65 6/23/1997 Big River at Byrnes Mill 22.44 5/7/2000 Big River at Byrnes Mill 17.9 12/19/2001 Big River at Byrnes Mill 22.5 5/10/2002 Source: NOAA
A Regional Overview All-Hazard Mitigation Plan 15 Since 1979 there have been 14 major flood events on the Meramec River at Eureka. Since 1916, there have been 14 major flood events on the Meramec River at Valley Park. Since 1973, there have been 14 major floods on the Meramec River at Arnold and 14 major floods on the Meramec at Byrnes Mill. The properties in and near the floodplains of the planning region Jefferson County are subject to flooding events almost annually. Since flooding is such a pervasive problem throughout the county, many residents have purchased flood insurance to help recover form losses incurred from flooding events, have sold property, or have rebuilt structures to reflect construction standards. Flood insurance covers only the improved land, or the actual building structures. Although flood insurance assists in recovery, it can provide an inappropriate sense of protection from flooding. Many residents and businesses that have flood damage rebuilt in the same vulnerable areas, only to be flooded again. These properties are termed repetitive loss properties and are very troublesome because they continue to expose lives and valuable property to flooding hazards. Local governments, as well as federal agencies such as FEMA, recognize this problem of floodplain insurance and attempt to remove the risk from repetitive loss properties though projects such as acquiring land and relocating homes or by elevating the structures. Continued repetitive loss claims from flood events lead to an increased amount of damage caused by floods, higher insurance rates, and contribute to the rising cost of taxpayerfunded disaster relief for flood victims. Intensity or Strength The largest disaster to impact Jefferson County in recent years was the flood in 1993. Its size and impact was unprecedented and has been considered the most costly and devastating flood to ravage the U.S. in modern history, as evidenced by Table J28 above. The number of record river levels, its aerial extent, the number of persons displaced, amount of property damage and its duration surpassed all earlier U.S. floods in modern times. In the 2001 flood, a total of $1.9 billion dollars in damage and costs and at least three deaths over a 14-state area including Missouri occurred. In the 1993 flood approximately $21 billion dollars in damage and costs and 50 deaths resulted (NOAA). In a report from the NCDC (Technical Report No. 2000-02), from events dating from 1980 to 1999, sites that in the 1997 flooding, 9 states including Missouri were impacted and an estimated $1 billion dollars in damage and costs and 11 deaths resulted. The report also stated that floods at the second most likely type of weather event to occur (based on 46 weather events from 1980 to 1999). Lives Lost, Injuries, Property Damage, Economic Losses/Other Losses Due to flooding of many of the major roadways and interstates, 'commuting' distances grew from several miles to over 200 miles in some instances. Many of the bridges crossing the Mississippi were destroyed or damaged by the flooding. From July 16-20, there were no bridge crossings over a 212-mile span between Burlington, Iowa and St. Louis, Missouri. Also, there was no Mississippi River traffic over a 585-mile span from Cairo, Illinois through
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16 1,2,3,4,5,6,7,8,9, Revise flood-
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18 Encourage development of jurisdi
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Jefferson County - East-West Gateway Coordinating Council

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