N.H. Code Admin. R. Env app C
RSA 485:1-a :
I. "Community water system" means a public water system which serves at least 15 service connections used by year-round residents or regularly serves at least 25 year-round residents.
XII. "Operator" means the individual who has direct management responsibility for the routine supervision and operation of a public water system or of a water treatment plant or collection, treatment, storage, or distribution facility or structure that is a part of a system.
XIII. "Person" means any individual, partnership, company, public or private corporation, political subdivision or agency of the state, department, agency or instrumentality of the United States, or any other legal entity.
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.
XV. "Public water system" means a system for the provision to the public of piped water for human consumption, if such system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days out of the year. Such term includes (1) any collection, treatment, storage, and distribution facilities under control of the operator of such system and used primarily in connection with such system, and (2) any collection or pretreatment storage facilities not under such control which are used primarily in connection with such system. Any water system which meets all of the following conditions is not a public water system:
(a) Consists only of distribution and storage facilities (and does not have any collection and treatment facilities);
(b) Obtains all of its water from, but is not owned or operated by, a public water system; and
(c) Does not sell water to any person.
XVI. "Supplier of water" means any person who controls, owns or generally manages a public water system.
XIX. "Water conservation" means any beneficial reduction in water losses, waste, or use.
RSA 485-A:2:
XIV. "Surface waters of the state" means perennial and seasonal streams, lakes, ponds, and tidal waters within the jurisdiction of the state, including all streams, lakes, or ponds bordering on the state, marshes, water courses, and other bodies of water, natural or artificial.
RSA 485-C:2 :
VIII. "Groundwater" means subsurface water that occurs beneath the water table in soils and geologic formations.
IX-a. "Large groundwater withdrawal" means any withdrawal from groundwater of 57,600 gallons or more of water in any 24-hour period at a single property or place of business except withdrawals associated with short-term use.
RSA 485:61 Rules for Water Conservation.
I. The department shall adopt rules, pursuant to RSA 541-A, for water conservation practices for water users. These rules shall strike a reasonable balance between environmental, energy, and economic impacts and be consistent with current industry standards and practices for different types of water users.
II. The water conservation rules in paragraph I of this section shall apply to all new permit applicants and applications for water withdrawals subject to the provisions of RSA 485:3, RSA 485:48, RSA 485-C:21 and section 401 of the Clean Water Act.
III. Water conservation rules shall be consistent with applicable state or federal rules and regulations.
RSA 488:2
III. "Discharge" means the return of water to the environment.
IV. "Groundwater" means subsurface water that occurs beneath the water table in soils and geologic formations.
V. "Person" means any individual, partnership, company, public or private corporation, political subdivision or agency of the state, department, agency or instrumentality of the United States, or any other legal entity.
VI. "Surface waters" means any lake, pond, river, stream, wetland, or tidal waters.
VII. "Transfer" means any conveyance of water from one real property or place of business to another or incorporation into a product for subsequent distribution.
VIII. "Withdrawal" means the removal or collection of water by pumping or gravity from surface water or groundwater.
N.H. Code Admin. R. Env app C