"Percolation tank is an artificially created surface water body, submerging in its reservoir a highly permeable land so that surface runoff is made to percolate and recharge the ground water storage." (Central Groundwater Board, 2022)
Central Groundwater Board, Chandigarh. "Rain Water Harvesting Through Percolation Tank". Ministry of Water Resources, Governemnt of India. (2022). Link: http://cgwbchd.nic.in/ar7.htm#:~:text=Percolation%20tank%20is%20an%20ar….