Actually we needed the house just to the left of the vacant one. That driveway is how we were supposed to get access to it. There has been talk of doing something but not sure what the final decision will be. Tank might be redundant and not needed after we do some more work overall.
My guess is they are de-watering it because we are checking to see how it looks on the inside. Been doing a lot of tank rehab lately and old Falls Church stuff is old. Is that why there is a lot of water flowing down the curb?