N.H. Code Admin. R. Env-Wq 1506.02

Current through Register No. 25, June 20, 2024
Section Env-Wq 1506.02 - Erosion Control Methods: Vegetation

Vegetating disturbed areas shall be completed only as specified below:

(a) Stones and trash shall be removed from the area to be seeded so as not to interfere with the seeding;
(b) On slopes 4:1 or steeper, final preparation of the area to be seeded shall include creating grooves in the soil perpendicular to the direction of the slope to catch seed and reduce runoff;
(c) If needed to ensure growth, fertilizer or other organic soil amendments shall be applied during the growing season;
(d) Fertilizer applied to any area within 100 feet of any river, stream, pond, or lake shall be low phosphate, slow release nitrogen fertilizer only;
(e) Fertilizer applied to any area that is subject to RSA 483-B, the Comprehensive Water Quality Protection Act (Act), shall meet or be more protective of water quality than the minimum standards of the Act;
(f) Runoff shall be diverted from the seeded area;
(g) Subject to (h) below, seeding shall occur prior to September 15th of the year in which the area being seeded was disturbed;
(h) Areas seeded between May 15th to August 15th shall be covered with hay or straw mulch meeting the criteria of Env-Wq 1506.01(a) through (c); and
(i) If vegetated growth covering at least 85% of the disturbed area is not achieved prior to October 15th, one or more additional erosion control methods shall be implemented.

N.H. Code Admin. R. Env-Wq 1506.02

(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.