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groundwater table

   Also found in: Dictionary/thesaurus, Financial, Wikipedia, Hutchinson 0.07 sec.

water table

 or groundwater table

Enlarge picture
Seasonal variations in groundwater levels.
(credit: © Merriam-Webster Inc.)
Surface of a body of underground water below which the soil or rocks are permanently saturated with water. The water table separates the groundwater zone (zone of saturation) that lies below it from the zone of aeration that lies above it. The water table fluctuates both with the seasons and from year to year because it is affected by climatic variations and by the amount of precipitation used by vegetation. It also is affected by withdrawing excessive amounts of water from wells or by recharging them artificially. See also aquifer.

groundwater table [′grau̇nd‚wȯd·ər ¦tā·bəl]
(building construction)
water table


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Experts consulted by Los Angeles County, which is one of the defendants, estimate that 140,000 to 170,000 acre-feet a year is pumped annually, which county officials say far exceeds the amount the groundwater table can lose without lowering dramatically.
LOCAL WELL NEEDS UP FOR DEBATE LIQUID AMOUNT REQUIRED UNCLEAR by Daily News (Los Angeles, CA)
Neighbors near the quarry - up an unpaved one-lane road off Cedarcroft Road, which feeds onto Bear Creek Road and then onto Cloverdale Road - fear that the 40 round trips per day the quarry intends to run will create noise, dust, traffic hazards, fire danger and also could damage the groundwater table and local wells.
County likely to OK quarry expansion by The Register-Guard (Eugene, OR)
The trees, shrubs and perennials that landscape the rain garden absorb water and allow it to percolate through the soil, replenishing the groundwater table.
Right as rain: control water pollution with your own rain garden. ... by Billow, Lisa / E
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