"In or on the borders of surface waters of the state" means at or below the high water mark of any surface water, or on any land within such a distance of a surface water that direct or immediate water quality degradation could result from the activities occurring on the land.
N.H. Admin. Code § Env-Wq 1502.33
(See Revision Note #1 at chapter heading for Env-Wq 1500) #9343, eff 1-1-09