Alwen Water Scheme (nprn 85178) was constructed for the Corporation of Birkenhead between 1911 and 1921 to provide a water supply and comprises Alwen Reservoir, Dam (nprn 85182) and Filter House (nprn 85183). Various housing is associated with the scheme: a manager's house (nprn 408482), terrace of workers? housing and barracks (nprn 85248) for the construction workers.
The terrace of six houses, built in a small quarry used in the construction of the dam, was provided for staff involved in the operation and maintenence of the filter house and dam.
B.A.Malaws, RCAHMW, 17 November 2008.