Fixing Backyard Flooding in Louisiana Clay Soil

Louisiana homeowner's backyard floods within 5 minutes of rain. 8-foot privacy fence traps water. Added dirt made it muddier. Grass won't grow. Considering professional drainage but wants DIY options first.

Root Cause: Flat Grade + Clay Soil

Yard is too flat with high-clay soil preventing percolation.

DIY Regrading Solution

Raise and slope the yard to one side at minimum 3% grade (1 foot drop per 30 feet run). Use amended soil: mix sand into native soil—not pure topsoil or clay. This improves structure and drainage simultaneously.

If DIY regrading fails, professional French drain or catch basin system is the next step.

Sean Murphy