Interesting! Hey guys, this is not to be taken lightly. This idea saved several homes and ranches in the very recent flooding due to the rise in the Mississippi River. Many residents of the delta region built their own levees to try to keep the water from inundating their houses. To keep your house dry, you’ve got to build your earthen barrier the right way. So we asked experts, including the levee masters at the U.S. Army Corps of Engineers, how to build a levee if you know the water’s on its way. Read more: Build a Homemade Levee – How to Prepare Your Home for a Flood – Popular Mechanics. It’s hurricane season again, nothing is too far-fetch. To keep your house dry when your area floods, you must build your earthen barrier the right way.We asked experts, including the levee masters at the U.S. Army Corps of Engineers, how to build a levee if you know the water’s on its way.