Recharge Wells

Recharge or injection wells are subsurface groundwater recharge techniques used to directly discharge water into deep water-bearing zones. Recharge wells can be cased with the material covering the aquifer. If this material is unconsolidated, a screen can be placed in the well in the zone of injection. Recharge wells are suitable only in areas where a thick impervious layer exists between the surface of the soil and the aquifer that is to be replenished. They are also advantageous in areas where land is scarce (as [2022-surface groundwater recharge] requires large areas for infiltration). A relatively high rate of recharge can be attained with this method.

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