The Master Plan - Spillway Pressure Release
- Replaces spillway single-plank opening system with two-way solid door
system - Allows spillway to open within 1-hour after storm surge crosses
Mississippi River - Utilizes Mississippi River as drain channel to de-pressurize Lake
Pontchartrain surge against levees - Protects Slidell, Louisiana from massive reverse surge flow out of Lake
Pontchartrain
after storm passes
