Added in 1631, this branch flowed from the conduit head along Lensfield Road and St Andrew's Street toward Drummer Street where it split into feeds that ran into Christ's and Emmanuel Colleges as well as a public dipping point.
In 1631, this water channel was established, flowing from a conduit head along Lensfield Road and St Andrew's Street towards Drummer Street. It then branched off to serve Christ's and Emmanuel Colleges and a public drinking fountain.