RSA 482-A: 2
X. "Wetlands" means an area that is inundated or saturated by surface water or groundwater at a frequency and duration sufficient to support, and that under normal conditions does support, a prevalence of vegetation typically adapted for life in saturated soil conditions.
RSA 485:1-a
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.
RSA 485-C:2
IV. "Contributing area" means the land above a class of groundwater, which is the vertical projection of the defined class on the land surface.
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.
XIII. "Regulated contaminant" means any physical, chemical, biological, radiological substance or other matter, other than naturally occurring substances at naturally occurring levels, in water which adversely affects human health or the environment.
XIII-a. "Replacement well" means a new well installed to replace or back-up an existing well that operates and impacts water users and water resources in substantially the same manner as the well that is being replaced.
XVII. "Well" means a hole or shaft sunk into the earth to observe, sample, or withdraw groundwater.
XVIII. "Wellhead protection area" means the surface and subsurface area surrounding a water well or wellfield, supplying a public water system, through which contaminants are reasonably likely to move toward and reach such water well or wellfield.
N.H. Admin. Code Env, Env-Dw, ch. Env-Dw 300, app B