Purapurani Aquifer is a natural reservoir of underground water extending across the Bolivian municipalities ofEl Alto,Laja,Pucarani andViacha in theAltiplano.[1] The aquifer has its recharge area in its northern fringes.[2] The water supply ofLa Paz, El Alto and Viacha depends on the aquifer.[3] Some of its shallow waters in the north are contaminated.[3]
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