Can traditional tanks help Bengaluru revive its declining groundwater levels?

IWMI supports efforts at tank restoration and promotion to enhance groundwater availability by means of Managed Aquifer Recharge (MAR).

This study finds that groundwater recharge from tank systems cannot be generalised and depends on the locations and area concerned, and especially on water level fluctuations and alternative recharge sources available. The paper recommends further studies to avoid over-estimating the role tanks play in groundwater recharge.

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