french drain

I have a 12" x12" square hole in my basement crawl space located next to the main line, it had a failed sump pump in it and looks like on either side of the box there are corrugated 3"-4" tubes coming in feeding water. The water is clean which leads me to think it is a French drain sump but I am...

I was considering buying a rowhome in Baltmore that seems to be built on a spring. In the basement there is a sump pump with a backup pump. There is water visibly running into the sump pump at all times (it looks like two hoses are turned on and pouring into the pump) The pump empties into the...