N.H. Admin. Code § Env-Wq 1502.13

Current through Register No. 44, October 31, 2024

Section Env-Wq 1502.13 - Curve number (CN)

"Curve number (CN)" means a numerical representation used to describe the stormwater runoff potential for a given drainage area based on land use, soil group, and soil moisture, derived as specified by the U.S. Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS).

(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.