A homeowner or community can lessen the impact of flooding by all of the following methods EXCEPT:

Safe management of flood waters

a
Installing drainage basins and redirecting water
b
Building a dam to hold back excess water
c
Building a neighborhood in a flood plain
d
Waterproofing basements by lining outside of house with sandbags

d. Waterproofing basements by lining outside of house with sandbags