This water reservoir is named after Radha and is called Radha kund. Krishna then took bath in the Radha kunda and announced that to whoever takes bath in Radha kund will be blessed with the intense love (Prem-Bhakti) which Radharani has for him.
The water reservoir, Radha kund, is associated with Radha and Krishna's devotion. Krishna declares that bathing in it will bring blessings of the intense love (Prem-Bhakti) that Radharani holds for him.