A. Easements across lots or centered on rear or side lot lines shall be provided for utilities (water, drainage, disposal, storm sewer, sanitary sewer, etc.) where necessary and shall be at least twenty feet (20') wide.
B. Where a subdivision, lying within the city limits or area designated in the comprehensive plan as substantial residential (3 lots per net acre or more), is traversed by a watercourse, drainageway, channel, or stream within a subdivision, such watercourses shall be enclosed if the flow is capable of being carried in one 60-inch pipe. If such flow exceeds the capacity of a single sixty inch (60") pipe, an adequate width shall be dedicated by the subdivider for cleaning and maintenance of such watercourse in no case shall such dedication be less than fifty feet (50'). For those areas not designated as substantial residential (3 lots per net acre or more) the following criteria shall be used to permit open ditches or closed drainage systems. Flow can be accommodated with any of the following means:
1. Thirty inch (30") pipe or twenty foot (20') easement.
2. Forty eight inch (48") pipe or thirty foot (30') easement.
3. Sixty inch (60") pipe or fifty foot (50') easement.
The method to be used shall be approved by the planning commission. (Ord. 2013-20)