If so, from where would water come into the abandoned cistern? It is basically a concrete porch with a trap door lid on top, and shares a wall with the rear of the building. In the basement area, it appears to be seeping water, and it collects about 2 inches on the concrete floor of the basement. A photo in the dark revealed a greenish cast to the track marks of the water leaks. Algea? From the cistern? How could water continue to collect that much in the cistern? I haven't looked in the manhole cover to see if there is water in the cistern, but can do that. There are no gutters pouring into the cistern, and it hasn't been used in many years. No evidence of a leftover spigot or pipe from the cistern into the basement either. Is it common for cisterns to continue to collect water from say, the ground through leaks, even when they are no longer used?
Maybe sand to fill it from a large, large dumptruck would take care of this problem!
Or maybe the basement is leaking from the floor? When the owner got the house, the basement had muddy sludge-like stuff on the floor. They shoveled it up into a garbage can, and now there appears to be black slimy water. Not sure that would survive the days of coal that used to be the heating source many years ago. Built in the 20's. Owners are asking me what to do!
I can't figure out the mud, or the black water, or the source.
All I see is money waiting to be spent....