Sharraxaadda

I just had a licensed plumber work on my sewage back up coming up into my basement drain. After over 2 hours of snaking the main line out to the city sewer without much of anything being cleared, he inspected the city sewer by lifting up the manhole covers at both Dewey & Mulford and Florence & Mulford. He discovered debris piling up at Mulford & Florence, everything is flowing good east of Florence, so this debris back up is between Dewey & Florence and it needs to be cleared by the city.I called the supervisor of the Mulford sewer project earlier today and left a voice mail over 3 hours ago, no one had called back.