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This dome is the larger of two water storage tanks associated with NS4176 : Garshake Water Works (see that item for the main description of the waterworks). It is 90 feet in diameter. For a view of the smaller dome, which is 45 feet in diameter, see NS4176 : Water storage tank. Both domes are shown from further away in NS4176 : Water Storage Tanks, near Bellsmyre.

The water tanks date from the late nineteenth century; they are depicted as circular structures on 1:2500 scale OS maps from that period. However, the domes on top of them were not then present; the dome covers, which are made of aluminium, were added in the 1960s.

The booklet that is cited in the main description (link given above) describes the inauguration of a pressure filter station here in 1964, but adds that "under separate contract, the provision of aluminium dome covers for the existing 45 feet and 90 feet diameter storage tanks in the slow sand filter bed area has been provided to guard against aerial pollution. ... The aluminium dome construction and ancillary works entailed a further expenditure of £7,500".

One of the other buildings of the water works can be seen at the far end of the track: NS4176 : Garshake Water Works: northern building.

Previous: NS4176 : Road leading to the waterworks.
Next: NS4176 : Garshake Water Works.