Artesian
Artesian
Refers to ground water under sufficient hydrostatic head to rise above the aquifer containing it.
Pertaining to underground water that is confined by impervious rock or other material under sufficient pressure to raise it above the upper level of the saturated rock or other material in which it occurs, if this rock or material is penetrated by wells or natural fissures. Formerly, the term was applied only to water under sufficient pressure to raise it to the surface of the Earth