WEIR BOX

Wooden or concrete box oblong in shape and open at both ends, set lengthwise in a canal and in which a weir is set crosswise.

WELFARE ECONOMIC VALUES

Reflect the total economic gain associated with the quantities of a product that are transacted. They include both the consumer and producer surplus and are different from exchange values to the extent of consumer surplus. It may also reflect the net economic gain, which is equivalently derived as either the total economic gain less the […]

WELL

Horizontal or vertical excavation or opening into the ground made by digging , boring, drilling, jetting or driving for utilizing or monitoring underground waters.

WELL CAPACITY

Maximum rate at which a well will yield water under given conditions

WELL DEVELOPMENT

Application of a surging or brushing process to a well to draw fine material from the aquifer and increase its discharge capacity.

WELL DRILLER

Any person duly licensed that constructs a well for compensation or otherwise.

WELL DRILLING RIG OPERATOR

A person who physically operates well drilling equipment under the direction of a licensed well driller.

WELL FIELD

Tract of land that contains a number of wells for supplying a large municipality, irrigation district or a heat exchange system.

WELL INTERFERENCE

Effects of neighboring pumping wells on the discharge and drawdown at a particular pumping well.

WELL LOG

Official report of well construction submitted by well drillers which includes a description of the various formations and rock materials and the depths at which they are encountered.