1. (a) Levees not within a floodway designated by the chief engineer are required to have the following freeboard:

   Design flood frequency	Freeboard required
   10 years	1 foot
   25 years	2 feet
   50 years or more	3 feet

2. (b) Levees constructed within a floodway designated by the chief engineer shall have a freeboard requirement designated on a site specific basis.

(Authorized by and implementing K.S.A. 24-126; effective May 1, 1987.)