[longislander]

Originally Posted by TheProfessor

From NH Environmental Services:

"Starting September 1, 2024, buyers of waterfront property with septic systems in the protected shoreland will be required to have a professional septic system evaluation conducted by a state-licensed evaluator in advance of the sale. Reducing wastewater pollution helps reduce risks to public health and reduce the risk of other negative impacts, such as cyanobacteria blooms. The requirement was part of House Bill 1113, which was signed into law in July. The evaluation will need to be conducted by a state-licensed septic system evaluator or, when applicable, a state-permitted septic system designer."

Also. If any house is 20 years or older torn down. A new septic design is required.

https://gc.nh.gov/rsa/html/L/485-A/485-A-39.htm