"Cesspool" means an in-ground pit into which is discharged raw or partially-treated sewage or other essentially untreated wastes and from which the liquid seeps or leaches into the surrounding soil. The term includes cesspit and effluent disposal cesspool.
N.H. Admin. Code § Env-Wq 1002.09
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08