If you live on the 100 year floodplain, it means that you are guaranteed to have one large flood once every 100 years.

Question

Quizplus · Accepted Answer

Living on the 100 year floodplain does not guarantee that you will experience a flood once every 100 years. It means that there is a 1% chance of experiencing a flood of that magnitude in any given year. It is possible to experience multiple large floods within a short period of time or go decades without experiencing one.

If You Live on the 100 Year Floodplain, It Means