[1] The catchment has an octagonal-shaped exterior made of concrete around limestone gravel and cobbles and has a plastered cylindrical interior.

It is 5.19 metres (17.0 ft) in diameter and its walls vary from .27 to .46 meters thick.

It was built in approximately 1916 by a farmer, Juan dela Torre, to provide water when needed, in a northern area of Guam that is far from regular water supplies.

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