Mulching shall comply with the following:
- (a) Hay and straw mulches shall be anchored with mulch netting or tackifier so that they are not blown away by wind or washed away by flowing water;
- (b) Mulch materials shall be selected based upon soils, slope, flow conditions, and time of year;
- (c) Hay or straw mulch shall be applied at a rate of 1.5 to 2 tons per acre, equivalent to 70 to 90 pounds per 1,000 square feet;
- (d) Wood chips or ground bark shall be applied at 2 to 6 inches deep at a rate of 10 to 20 tons per acre, equivalent to 460 to 920 pounds per 1,000 square feet;
- (e) Jute and fibrous mats and wood excelsior shall be installed according to the applicable manufacturer’s instructions; and
(f) Erosion control mix shall:
- (1) Meet the criteria of Env-Wq 1506.05(b); and
- (2) Be placed at a thickness of 2 inches or more.
Source. #9343, eff 1-1-09; ss by #12342, eff 8-15-17; ss by #14472, eff 1-19-26, EXPIRES: 1-19-36