|“||Attach this to pipes to store rain, irrigation, or manually deposited water for later use. Will automatically irrigate nearby crops if attached to a tap. Stores a large amount of water!||”|
— In-game Description
The Metal Water Reservoir or Metal Water Tank is an advanced structure that requires a Pipe in order to be placed and allows for the storage of 500 water, which can be used to irrigate crop plots through Metal Irrigation Pipe with a Tap.