Here are NH department contacts concerning:
NH Dept of Environmental Services (603) 271-2147
A permit from DES to add sand to the shoreline is required. It is prohibited to add sand into the Lake. A project involving beach sand replenishment must qualify for PBN approval.
Some of the requirements outlined in Rule Wt 303.04 (aa):
Replenishment of sand on an existing non-tidal beach is permitted provided that:
Swim Lines: Marine Patrol (603) 293-0091
Below are basic state guidelines. Unless a swim line variance is requested and approved, no swim line shall be placed beyond the point where the depth of water exceeds six feet or a distance from shore of 50 feet, whichever occurs first.
Dock Regulations: NH Marine Patrol (603) 293-0091
A permit is required. Docks must conform to size and position requirements. See the DES Fact Sheet below.
In a lake the size of Spofford, NH mandates that a property with fewer than 75' of water frontage may have a dock that is no more than 4' X 24' (seasonal only). Frontage greater than 75' may have a dock no greater than 6' X 30' (seasonal only).
Further regulations and permitting information can be found at:
Page Updated April15, 2021