**EDIT** misquoted FHA's guidance for public water, but comment on public sewage is the same.
Probably not our job to determine if it is feasible, but we still have to report if subject can be connected to public sewage. I'm sticking with my initial answer. OP first thing you do is find out if local authority services the Subject Property. You just call them up or email your questions. They will be able to respond right away if you give them the street name and block. If the property is not available for service in the area then end of story. Report that and your job is done. Here is the FHA requirement here:
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