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

1. (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;
2. (b) The maximum contributing drainage area above the barrier shall be less than 0.25 acre per 100 linear feet of barrier;
3. (c) The maximum length of the slope above the barrier shall be 100 feet;
4. (d) The maximum slope of the area above the barrier shall be 2:1;

5. (e) The barriers shall be installed as follows:

   1. (1) The barriers shall follow the contour of the land as closely as possible;
   2. (2) The ends of the barrier shall be flared up slope;
   3. (3) The bale ends shall be tightly adjoined;
   4. (4) Each bale shall be embedded at least 4 inches into the ground; and
   5. (5) A minimum of 2 anchoring stakes per bale shall be used, with all stakes penetrating at least 18 inches into the ground;
6. (f) The barriers shall be inspected and maintained immediately after each rain event and at least daily during prolonged rain events; and
7. (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.

Source. #9343, eff 1-1-09; ss by #12342, eff 8-15-17; ss by #14472, eff 1-19-26, EXPIRES: 1-19-36