N.H. Code Admin. R. Env app B
RSA 332-E:1
II. "Certificate" means a certificate of competency issued by the department stating that the operator has met the particular requirements set by the department for certification at his level of operation.
III. "Department" means the department of environmental services.
IV. "Operator" means the individual who has full responsibility for the operation of a water treatment plant or water distribution system and any individual who normally has charge of an operating shift, or who performs important operating functions including analytical control.
V. "Water distribution system" means that portion of the public water system which includes sources, pipes, storage facilities, pressure booster facilities, and all measuring and control devices used to convey potable water to the system users.
VI. "Water treatment plant" means the portion of the public water supply system which in some way alters the physical, chemical, or bacteriological quality of the water being treated.
RSA 485:1-a
XIV-a. "Privately owned redistribution system" means a system for the provision of piped water for human consumption which does not meet the definition of public water system under paragraph XV, and meets all the following criteria:
(1) obtains all of its water from, but is not owned or operated by, a public water system;
(2) serves a population of at least 25 people, 10 household units, or 15 service connections, whichever is fewest, for at least 60 days per year; and
(3) has exterior pumping facilities, not including facilities used to reduce pressure, or exterior storage facilities which are not part of building plumbing.
N.H. Code Admin. R. Env app B