Lake studies
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Lake Illawarra

Lake Illawarra
Entrance Works
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Aerial photographs 16 July 2006:

NB: See Thumbnail galleries - Lake Illawarra Entrance Works on the News Centre pages (click above or on the contents index at left) for many more relevant photographs:

 

(Above) [1] An excellent shot illustrating just how shallow the entrance to Lake Illawarra actually is. The northern breakwater works are middle left. The photo also shows how ocean flows from both sides of Windang Island naturally force sand straight into the lake entrance. [2] The basalt rock pile middle-bottom is not actually the northern breakwater itself, but simply the boulders that will be shifted to form the new structure. [3] A good shot showing the southern training breakwater and intermediate wall running down the middle of the lake entrance forming the Reddall Reserve lagoon. To the left we can see how the new northern breakwater is going to run right into the sea off Perkins Beach.   

(Above) [1] Although the new Lake Illawarra entrance is likely to remain open for much longer periods of time (perhaps permanently) the overall entrance and lake itself will always remain relatively shallow. [2] The northern breakwater works from above, with the main basalt boulder pile in the centre. [3] Obviously besides the construction of the new breakwaters there remains a great deal of sand to be shifted. Tenders for Stage-2 dredging of the lake entrance were called in mid-July 2006.