N.H. Rev. Stat. Ann. § 483:11
The commissioner, with the advice of the advisory committee, shall adopt rules, pursuant to RSA 541-A, relative to the following:
I. Content and submission of nominations, including requirements and criteria for river segments whose salinity, flow, or level is influenced by tides at its tidal mouth, under RSA 483:6, I.
I-a. Determination of the downstream extent for river segments whose salinity, flow, or level is influenced by tides at their tidal mouths.
Source. 1989, 339:1. 1990, 233:13. 1991, 338:15. 2009, 201:17, eff. July 15, 2009.