N.H. Code Admin. R. Env-Wq 1606.10
Every owner of a septage holding tank(s) shall maintain the following records for a minimum of 5 years after the expiration of the permit to which they relate:
(a) For each load of septage received:
Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Wq 1600) #13944, eff 4-27-24