"LAC jurisdiction" means the authority conferred by RSA 483:8-a, III upon a local river management advisory committee relative to activities within a designated river or river corridor, provided that for purpose of routine roadway maintenance activities conducted under an SPN, registration, PBN, or EXP, LAC jurisdiction shall be limited to activities located in or within 250 feet of a designated river where the activity will occur on a Tier 2 or Tier 3 stream that has a direct surface water connection to the designated river.
N.H. Admin. Code § Env-Wt 103.27