N.H. Code Admin. R. Env-Wq 1506.06

Current through Register No. 25, June 20, 2024

Section Env-Wq 1506.06 - Sediment Control Methods: Straw or Hay Bale Barriers

Straw or hay bale barriers shall be used only as follows:

(a) The barriers shall be used in areas where erosion will occur only in the form of sheet erosion and there is no concentration of water in a channel or other drainage way above the barrier;

(b) The maximum contributing drainage area above the barrier shall be less than 0.25 acre per 100 linear feet of barrier;

(c) The maximum length of the slope above the barrier shall be 100 feet;

(d) The maximum slope of the area above the barrier shall be 2:1;

(e) The barriers shall be installed as follows:

(1) The barriers shall follow the contour of the land as closely as possible;

(2) The ends of the barrier shall be flared up slope;

(3) The bale ends shall be tightly adjoined;

(4) Each bale shall be embedded at least 4 inches into the ground; and

(5) A minimum of 2 anchoring stakes per bale shall be used, with all stakes penetrating at least 18 inches into the ground;

(f) The barriers shall be inspected and maintained immediately after each rain event and at least daily during prolonged rain events; and

(g) Sediment that accumulates at the barriers shall be removed with sufficient frequency to prevent the depth of the sediment from reaching one-third the height of the barrier.

N.H. Code Admin. R. Env-Wq 1506.06

(See Revision Note #1 at chapter heading for Env-Wq 1500) #9343, eff 1-1-09

Amended by Volume XXXVII Number 32, Filed August 10, 2017, Proposed by #12342, Effective 8/15/2017, Expires 8/15/2027.