Noun
underground water that is held in the soil and in pervious rocks
Source: WordNetDiversion of fresh water runoff into drains may deprive these plants of their water supplies and allow sea water incursion, increasing the saltiness of the ground water. Source: Internet
If too much ground water is pumped near the coast, salt-water may intrude into freshwater aquifers causing contamination of potable freshwater supplies. Source: Internet
Failure to pump a septic tank can cause overflow that damages the leach field, and contaminates ground water. Source: Internet
Formation of the two monoamino transformation products, 2-ADNT and 4-ADNT are energetically favored, and therefore are observed in contaminated soils and ground water. Source: Internet
For this reason, it has been hypothesized that increases in radon concentration is due to the generation of new cracks underground, which would allow increased ground water circulation, flushing out radon. Source: Internet
Gravity variations detected by GRACE include those caused by changes in ocean currents; runoff and ground water depletion; melting ice sheets and glaciers. Source: Internet