For the purposes of section 159 of the Act, the following is the designated flood level:

(a) 600 millimetres above ground level or the highest known flood level, whichever is the highest, for land known to be subject to flooding other than as provided in paragraph (b) or (c) ;

(b) the level which has a 1% probability of being exceeded in any year for the following watercourse floodplains:

(i) the Derwent River through New Norfolk;

(ii) the upper reaches of the Tamar River and the lower reaches of the North Esk River;

(iii) the Huon River at Huonville and Mountain River;

(iv) the South Esk River through Perth and Longford to the Tamar River;

(v) the Jordan River below Pontville;

(vi) the Mersey River through Latrobe;

(vii) the Bagdad Rivulet;

(viii) the Elizabeth River through Campbell Town;

(ix) the Meander River through Deloraine;

(x) the Macquarie River through Ross;

(c) 600 millimetres above the ordinary high-water mark of the spring tide for land on which flooding is affected by the rise and fall of the tide.