Public sewer extension may be made upon petition of prospective users, provided such users are located on an already accepted road or roads approved by the Planning Board of the Town of Bar Harbor, subject to the following conditions:
A. 
The size of the sewer extension shall be determined by the Superintendent, giving consideration to possible future expansion.
B. 
The Town may refuse to make an extension if such extension does not appear to be in the best interests of the Town.