Sellers of homes in Massachusetts that have a private septic system are required by law to have there system inspected by a state approved title 5 inspector before the sale of the property. Stephen M. Cook is the state approved inspector for Imperial. After the system is inspected a copy of the report is filed with that towns board of health. Stephen limits his inspections to the South Shore with some exceptions; The following link will provide you with the Massachusetts Title 5 Regulations.

http://www.mass.gov/dep/brp/files/310cmr15.pdf