Any person proposing to supply water for domestic uses as a public water system as defined in RSA 485:1-a, XV shall not construct any new system or enlarge any existing system without first submitting detailed plans of the proposed construction to the department and securing its approval in accordance with Env-Ws 370, Env-Ws 372, or Env-Ws 374, as applicable.
N.H. Admin. Code § Env-Ws 374.02
#8478, eff 11-30-05 (formerly Env-Ws 375.02 )