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Geehi Dam - NSW

Geehi Reservoir

5 metres below full supply

Spillway discharge flip bucket

8 metre diameter tunnel orifice

Under construction in 1965

Reservoir inlet/outlet at rear

Spillway intake and tunnel portal

Geehi dam downstream face

Bellmouth spillway 32m diameter

Reservoir,Dam

Position

DEG: -36.305167 148.315607

DMS: 36º 18' 18.61" S 148º 18' 56.21" E

UTM: 55 H 5981400mN 618117mE

Altitude: 1096.03m

Address & Contact

Geehi NSW

Phone: N/A

Email: N/A

Web: N/A

Information

The 91m high Geehi Dam is a rockfill type with an earth core impervious to water. It forms this 21 GL reservoir which is the head storage for Murray 1 Power Station. Due to limited space in the narrow Geehi River valley a bellmouth spillway was built, the second in Australia. Water enters the reservoir at up to 150 cumecs via the Snowy-Geehi tunnel plus minor local stream flow diverted in by aqueducts. As electricity is generated in Murray 1 and 2 power stations, water flows out of Geehi at 250 cumecs during the morning and evening peak. Inflow via the tunnel occurs at any time to keep the dam as full as possible, ready for generation.

PlaceID	73814

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Nearby Places (34)

Wildflowers

Weather

Closest Weather Station

Perisher Valley at 02/03:00am EST

Distance from Geehi Dam 13.87km SE

Temperature	Feels Like	Rel. Humidity	Dew Point	Pressure	Rainfall	Wind Direction	Wind Speed	Gusts
-4.4°C	-9.0°C	78%	-7.6°C	hPa	0.0mm	SW	9km/hr 5knots	13km/hr 7knots

Closest Climatic Station

Perisher Valley Ski Centre

Distance from Geehi Dam 13.82km SE

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mean Max. °C	19.2	18.5	15.7	11.7	7.9	3.9	2.4	3.4	5.8	9.7	13.9	15.9
Mean Min. °C	5.8	5.3	3.3	0.3	-1.5	-3.5	-5.0	-4.3	-2.0	0.2	2.0	3.8
Mean Rain mm	96.1	73.1	114.5	97.5	130.9	167.8	186.1	240.7	234.0	182.1	138.5	95.3