Key hydrogeology terms and concepts are listed below. Each is linked to an explanation. Several of the explanations include graphics.

Artesian Well Capillary Fringe Cone of Depression Confined or Artesian Aquifer Confining Layer Consolidated Rock Discharge Drawdown Ground water Ground Water Aquifer

Overwithdrawal Perched Aquifer Permeability Pores Porosity Recharge Area or Zone Salt Water Intrusion Saturated Zone Spring

Subsidence Surface Water Unconfined Aquifer Unconsolidated Materials Underground Water Unsaturated Zone Watershed Water Table Water Table Well