Southern Rural Water - Blue Rock Lake
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 Page Last Updated:
 Wednesday, 26 August 2015

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Blue Rock Lake  Printer Friendly   
The Blue Rock Dam and Lake are located on the Tanjil River in West Gippsland.

VicRoads Reference – Map 97 E3

Blue Rock Lake has two recreational areas open to the public.

For details of any forthcoming public events on Blue Rock Lake, please see our public notices page.
Recreational facilities

New boating rules now apply at Blue Rock Lake for a 12 month trial.

These rules are set by Transport Safety Victoria (TSV). TSV has declared a 12 month trial period to see how the new rules go.

What are the details?

The new rules remove limits on boat length and engine power, and lift maximum speed from 5 knots to 15 knots in designated zones.

Two “no boating areas” have been retained for swimmers, and a large area has been restricted to five knots only which will be suitable for kayakers. These areas will be clearly marked.

These changes are in line with the Marine Safety Act and will allow more boat owners - particularly those with boats with larger motors - to access Blue Rock Lake. However the speed restriction of 15 knots will address water quality and safety issues for more passive users such as kayakers and swimmers.

The 15 knot limit is below the speed commonly used for most water skiing and jet ski activities and these activities will continue to be deterred via this speed limit.

All of our recreation facilities including Blue Rock Lake have a carry in – carry out policy, meaning any litter you bring to the recreation reserve must be taken home with you.

Camping, firearms and horses are not permitted. Dogs must be on a lead at all times.

Please check if there are any current blue green algae warnings before visiting the lake.
With its rich reserves of brown coal, the Latrobe Valley generates 85% of Victoria’s electrical power and continues to be a vital base for the State’s economic growth. To meet the planned industrial expansion in the region, an assured supply of water is essential to meet industrial, private irrigation and domestic water requirements.

The Latrobe Valley electricity generating companies are able to extract 150,000 megalitres per annum of yield from Blue Rock, for use as cooling water in existing power stations and for future power generation expansion.

Gippsland Water, which is the urban water corporation for the Latrobe Valley, is able to draw 14,000 megalitres annually from Blue Rock to supplement Moondarra Reservoir.

Gippsland Water also pumps water from the Tanjil River to the township of Moe.

Water drawn from the storage is available to maintain minimum flows in the Latrobe River during periods of naturally low flows as required by the State Environment Protection Policy.

The reservoir's construction began in 1979 and was complete in 1984. It has a capacity of 208,000 megalitres (ML).

Following construction of the dam, the safe yield of the Latrobe River system upstream of the Morwell River Junction was increased to 325,000 megalitres per annum.

The embankment of the dam is constructed from earth and rock fill material.

Capacity   208,190 ML    
Dead storage   1,000 ML    
Surface area   873 ha    
Full supply level   140m AHD    
Catchment area   360 km2    
Maximum height   72 m    
Length (excluding spillway)   600 m    
Crest length   41.5 m    
Discharge capacity   100,000 ML per day    

Power generation
In1992 Pacific Energy installed a small hydroelectric generator at Blue Rock Lake that gives a total capacity of 2.4 megawatts of power into the state network.

For more information please visit Pacific Energy .

More information
If you require further information on Blue Rock Lake please contact 1300 139 510 or send us an email.
Quick links
 Current Blue Green Algae warnings
 Safe swimming
 Storage levels
 Water quality
 Fact sheet - SRW's role during floods in the Latrobe System

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Download Files
 DEPI - Dams in Victoria - safe and versatile infastructure - fact sheet
 New boating rules at Blue Rock

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PO Box 153,  88 Johnson Street,  Maffra, VIC   3860
Tel: 1300 139 510   Fax: (03) 5139 3150 
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