1. (a) Minimum impact routine roadway maintenance activities conducted in accordance with Env-Wt 308.04 or Env-Wt 309.03;

2. (b) All crossings of perennial streams and intermittent streams shall be subject to Env-Wt 903 and Env-Wt 904 unless the work on the crossing is:

   1. (1) Exempted under Env-Wt 901.03; or
   2. (2) Undertaken in accordance with the certified culvert maintainer program established by RSA 482-A:3, XVII - XIX and Env-Wt 905.
3. (c) This chapter shall not apply to crossings of drainage swales or ephemeral streams.

Source. #12809, eff 12-15-19; amd by #12954, eff 12-24-19