When we say professional, it doesn't mean they have huge amounts of money to just charge a fee for any and all services. They have access to the latest technology, equipment and plumbing tools to make sure your drain field looks clean and well maintained. There are tools such as camera inspection systems, and pumping inspection systems that they use on a regular basis. This includes a visual inspection of the walls, floor drain field, sump pump, and the uppermost level of the holding tank.