Gentilly was devastated by Katrina when the London Avenue Canal breached — 8–10 feet of flooding sat in the neighborhood for weeks. Parts of Gentilly remain depopulated 20 years later.
Low elevation (3–6 feet below sea level) combined with London Avenue Canal exposure on the west and railroad embankment creating a bowl that holds floodwater after any levee overtop
The neighborhood's depression-era drainage was designed around a pump-dependent system. When Katrina knocked out power citywide, pumps failed and water had no way to drain — a vulnerability that still exists.
Louisiana Fair Plan (insurer of last resort) has significant limits — verify you have adequate coverage before hurricane season. Many Gentilly policies were cancelled post-Katrina as private insurers withdrew.
Extended flooding (weeks vs days) causes exponentially greater structural damage — mold penetration into wall cavities, foundation damage, and subfloor failure all compound costs
New Orleans citywide average: $3,000 – $25,000
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