Shannon & Mangaore

Reservoir Capacity 

1150 m3 in the main reservoir and 188 m3 in tanks servicing the Mangaore Village. The reservoir is located in Mangaore Road at a point some 2km from the township. The water gravity feeds from here through a 225 mm pipe into Shannon township and is pumped up from the reservoir to the tanks servicing Mangaore Village.

Water Source

Mangaore Stream approximately 800 metres upstream of the Power Station from a weir. where a grating is in place to intercept large stones and leaves. The water is gravity fed to a sand/gravel trap. Records indicate that the intake was installed in 1925.

Supplementary Supply

A bore has been developed west of Shannon in Bryce St. It could be used for industrial supply and for town supply in the event of an emergency. (consent no 100162, 1800 m3/day).

The Shannon reticulation comprises some 19.8km of pipe ranging in size from 250mm down to 25mm.  It is predominately AC pipe work. It was mostly laid in 1970 with some more recent pipes laid in 1996. The Mangaore reticulation comprises some 1.13 km of pipe of predominantly 100mm pipes. Some PVC pipe has also been installed. It was laid in 1975 by the Electricity Corporation to service the village which was under their control at that stage. The rising main from the pump-station is a 100mm PVC pipe laid in 1991.