Neighbor

Hi, there is a growing sinkhole in the grass next to the sidewalk along eastbound Great Star Drive, about 120 feet east of Ascending Moon Path. The hole has been there for some time but within the past week it has doubled in size. It is now at least 16" deep and 24" wide. It is very near a manhole cover. I am concerned that my or my neighbors' dogs, or people, could step in and seriously injure a leg.