Within Northfield Reservoir enclosure, on the East side of the reservoir behind a house. 75 yards North of Egghill Lane.
LOCKED All surface features remain intact with some flaking of the green paint. The hatch is locked. The owners of the house in front of the post are hoping to buy or rent it from Sever Trent Water Company with a view to restoration.
Opened in 1960 and closed in 1991.