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MRLS 408-L Location
City, County, and State of the levee system. Determined by the levee alignment location not the leveed area.
Farley, Platte County, Missouri
System ID
Unique identifier code for the levee system using 10 or 12 numbers in length.
3605000141
Operation and Maintenance Organization
Entity responsible for day-to-day management of the levee.
Farley-Beverly Drainage District
Floodplain Management
Entities responsible for regulating activities that occur in areas prone to flooding.
FEMA Region 7
Oversight Organization
Entity responsible for oversight of the levee and ensuring it is maintained.
USACE - Kansas City District
Last Assesment Date Last Risk Assessment or Formal Inspection.
8/3/2017
Levee Length
Combine length of all the levee system features including the embankments, floodwalls, closures where they exist for this system.
12.204 Miles Average Levee Height
The average height of the levee system. The levee profile viewer on the mapping window will show the actual levee height values for the length of the levee if available.
No Data Year Levee Constructed Year levee system was fully completed as a flood reduction project.
1972 Summary
General text description of the levee system with a summary of why the levee is there, and the benefits it provides.
The Missouri River Levee System 408-L Unit reduces the occurrence of flooding for approximately 9,762 acres of Missouri River floodplain near Farley, Missouri. This levee system includes 12 miles of earthen levee along the Missouri River. The levee was designed and constructed by the U.S. Army Corps of Engineers (USACE) in 1972 and was then turned over to the local sponsor, the Farley-Beverly Drainage District, for operations and maintenance.
Performance & Condition
General text description of the historical and anticipated performance of the levee, the people and property benefitting from the levee and who may be at risk of flooding, and actions to address areas of concern.
USACE evaluates risk as a combination of the flood hazard frequency, the anticipated levee performance, and the potential consequences. USACE completed a screening level risk assessment on this levee in 2012. The risk assessment identified overtopping as the primary levee risk and it is expected that there would be significant warning time before the Missouri River would overtop the levee. However, all levees have the potential to breach prior to water flowing over the top and warning times for a levee breach prior to overtopping are often short. The screening level risk assessment estimated the likelihood of a flood overtopping this levee in any given year at 0.2%, or a one chance in 500. This levee was overtopped in 1993 and was loaded near the top in 2011 and 2019. The levee performed as designed in 2011 and 2019.
The area behind the levee is predominantly agricultural and includes portions of the communities of Farley and Beverly. The 2012 USACE levee screening risk assessment estimated the leveed area population at approximately 222 people and the property value at approximately $41.6 million. Flooding of the leveed area could lead to flood depths greater than 15 feet, which could result in life loss and economic consequences.
Flooding Hazard
Historic Loading by Percentage of Height
Representative loading associated with historical flood information as a percentage of the levee height or overtopping.
Representative loading associated with historical flood information as a percentage of the levee height or overtopping.
1 Occurrences 1 Occurrences 2 Occurrences 3 Occurrences