A system owner subject to the requirements of this part shall retain on their premises original records of all sampling data and analyses, reports, surveys, letters, evaluations, schedules, department determinations, and any other information required by Env-Ws 381.05 through Env-Ws 381.35. Each water system owner shall retain the records required by this section for at least 12 years.
N.H. Admin. Code § Env-Ws 381.34
(See Revision Note at chapter heading for Env-Ws 300) #6521, eff 6-4-97, ss by #7734, eff 8-2-02