A dye test and lateral line inspection are required. The tests are good for 5 years from the original test date. The form can be found on our website at www.nhtma.org, choose "Customer Service", "Documents & Forms", "Request for Lateral Inspection/Dye Test and/or Sewage No-Lien Letter". Please print and submit payment of $230.00. Once received, you will be contacted to schedule the appointment.