New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wq - Water Quality and Quantity Programs
Chapter Env-Wq 1500 - ALTERATION OF TERRAIN
Part Env-Wq 1506 - METHODS FOR EROSION AND SEDIMENT CONTROL DURING TERRAIN ALTERATION ACTIVITIES
Section Env-Wq 1506.01 - Erosion Control Methods: Temporary and Permanent Mulching
Current through Register No. 13, March 27, 2025
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:
(See Revision Note #1 at chapter heading for Env-Wq 1500) #9343, eff 1-1-09