The outlet works connected the reservoir intake on the upstream side of the crest with San Vicente Pipelines 1 and 2 via three cast - iron pipes 36 inches ( 910 mm ) in diameter .
The outlet works release water for municipal use .
The outlet works , which release water for municipal use , connected the reservoir intake on the upstream side of the crest with San Vicente Pipelines 1 and 2 via three cast - iron pipes 36 inches ( 910 mm ) in diameter .