N.H. Admin. Code § Env-Wq 1602.41
"Surface waters" means "surface waters of the state" as defined in RSA 485-A:2, XIV, namely "streams, lakes, ponds and tidal waters within the jurisdiction of the state, including all streams, lakes, or ponds bordering on the state, marshes, water courses and other bodies of water, natural or artificial." Surface waters include rivers and wetlands but do not include non-tidal drainage ditches which were designed, built, and used to convey wastewater or stormwater. The term also does not include constructed wetlands, lagoons, and other treatment systems designed and built solely as wastewater or stormwater treatment systems.
N.H. Admin. Code § Env-Wq 1602.41
#8458, eff 10-27-05 (see Revision Note at chapter heading); ss by #10466, eff 11-26-13