Subpart E - Maintenance and Improvements 



512.41(h) 



(h) Documentation of seasonally ponded areas may be handled by 

 reviewing a series of growing season photos to verify the percent 

 chance of occurrence along with analytical evaluations to determine 

 length of ponding for a single occurrence. The average depth of 

 ponding in a depression can be evaluated using DRAINMOD for length of 

 time required for water to be used by evapotranspiration. 



512-63 

 (180-V-NFSAM, Second Ed., Amend. 6, May 1991) 



