Need solutions for achieving artificial groundwater recharge in hard rock terrain (basalts)

Hello,

I am looking for some practically viable solutions for achieving groundwater recharge within hard rock terrain (specifically Basalts) with the recharge wells actually not penetrating the aquifer system itself and stopping a couple of meters short of the aquifer.

Secondly is the use of multi-chambered, multiple layered gravity & reverse gravity filters system which comprise of layers of sand, gravel, or rock aggregate with a layer of activated carbon sandwiched in between not adequate to permit storm water being injected into the recharge wells penetrating aquifers?

I will be obliged if the other experts working in this field would take some time to make some valuable suggestions in this context.

 

 

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