Black Hawk Toilet's mainline leak causing damage in 5 rooms.
This toilet leaked into 5 rooms but was able to be dried without removing drywall or a massive reconstruction. This is the one of the most common reason for a water loss. A water fitting will begin to leak as the when the resident is away and several hours or days later the water has seeped through the floors and walls.
It is important to walk around your property checking for bad drainage, leaking or loose fitting, and testing your sump pumps regularly. By doing these regular "walk arounds" you can prevent $1000's of dollars in water damage later on.