N.H. Admin. Code § Env-Wq 1508.05

Current through Register No. 44, October 31, 2024

Section Env-Wq 1508.05 - Stormwater Treatment Practices: Gravel Wetlands

If a gravel wetland is used, the system shall be designed in accordance with "UNHSC Subsurface Gravel Wetland Design Specifications", January 2022, available as noted in Appendix B, with the stipulation that the system shall have:

(a) A sediment forebay as specified in Env-Wq 1508.12; and

(b) Two treatment bays, each of which is designed to filter at least 45% of the WQV.

N.H. Admin. Code § Env-Wq 1508.05

(See Revision Note #1 at chapter heading for Env-Wq 1500) #9343, eff 1-1-09; (See Revision Note #2 at chapter heading for Env-Wq 1500) amd by #9817-A, eff 12-1-10

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

Amended by Number 41, Filed October 12, 2023, Proposed by #13758, Effective 9/28/2023, Expires 9/28/2033 (see Revision Note #4 at chapter heading for Env-Wq 1500).