From the City of Ann Arbor:
“At approximately 11:30 a.m. on Sunday, June 10, 2018, the City of Ann Arbor was notified of a manhole in the University of Michigan Arboretum with water leaking from it. Upon further investigation, Public Works crews identified the problem as a sanitary sewer overflow. Public Works crews immediately mobilized to unblock the sewer and clear debris from the sanitary sewer pipe.
Read the full press release from the city here.
Please pay attention to signage indicating areas and paths to avoid and stay on marked paths. More information to come when the city issues a press release later today.