DURATION OF INUNDATION AND/OR SATURATION IN THE WEHTLAND 

 HYDROLOGY CRITERION 



1989 MANUAL: 



Requires inundation or saturation for one week or more during the growing 

 season. 



PROPOSED REVISED MANUAL: 



Requires inundation for 15 or more consecutive days, or saturation to the surface 

 for 21 or more consecutive days during the growing season. 



