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Table 3.28 Top 10 Counties by Dam Failure Vulnerability Rating
Mitigation
Planning
Region
County
K Jefferson 327
G Butler 277
K Jackson 267
K Brown 243
K Atchison 225
L Johnson 212
K Nemaha 206
L Leavenworth 195
J Shawnee 190
H Greenwood 187
Source: State Hazard Mitigation Plan, 2013
Levees
Vulnerability
Rating
Delineation of areas protected is included in the MLI geodatabase for 107 of the 136 levees
cataloged. To complete an analysis of vulnerability to levee failure as well as attempt to
describe vulnerability in terms of the jurisdictions most threatened by levee failure, this data was
used, along with census block data available in HAZUS MH 2.1 to determine the number of
people and the value of development in these identified levee protected areas. This analysis
does not attempt to evaluate which levees are more prone to overtopping or failure, but rather
provide a general picture of those counties that have more people and property protected by
levees and therefore the potential for more damage if failure or overtopping were to occur.
Table 3.29 provides a breakdown by county of the population, structure value, contents value,
and total value in levee protected areas for the 107 levees in the MLI with available delineated
protection areas. This data is to be used only for general determination of those areas of the
state that could suffer the greatest losses in the event of levee failure events. Data limitations
prevent a more accurate analysis including: lack of delineation of protected areas for all levees
and, lack of statewide parcel-type data which would provide more accurate results in
determining structures and values within levee protected areas.
Table 3.29 Populations and Values Protected by Levees
Mitigation
Structure Exposure Contents
Total Exposure
County
Planning Region
(1,000s)
Exposure (1000s) (1000s)
Population
L Leavenworth $6,166 $3,617 $9,783 76
L Wyandotte $1,298,365 $1,421,835 $2,720,200 3,936
L Total $1,304,531 $1,425,452 $2,729,983 4,012
3.50