Inquiry into the Alice Springs Recreation Lake : submission by Department of Transport and Works
E-Publications; E-Books; PublicationNT; Report ; 1/1983
Made available via the Publications (Legal Deposit) Act 2004 (NT).
Date:1983-12; Contains: Floodplains Management Alice Springs Impacts of Todd River Flooding. Also filed in Alice miscellansous collection A0342, A0343.
Dept. of Transport and Works
Report ; 1/1983
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Technical Report WRD83001 Viewed at 14:07:22 on 29/07/2010 Page 16 of 64. t 2. IVIGLEY GORGE SITE . ".'." AS far as is considered. owing to the known, this 'I';'laS the first ;;iite ever to- have been It was rejected in the 1960's and again 1n 1978, small size of the storage. (a) Hydrology At 367 square kilometres, the catcb-nent area is onl,y marginall,y smaller than for the Telegraph Station site. EO'l:,'lever! hectares, the storage would have a surface area of and a volume of 0.4 million cubic metres. (b) Recreation Potential, only 16 Although the site is only around 10 kilonetres from Alice springs I the small size of the lake t,.,rOU.LG. pro~ride for relatively limited recreation activity. Furthermore, the steep hillsides around the site do not favour convenient access to the waters edge. (c) Site Geo1oqy .: The geology was examined in the 1950' sand 1960' s and found to be probably suitable for dam construction. ( d) Dam and spillway options were examinee. in some details i~ reconsidered since rejection of the -9~1l .. h 1. o. I DU'C. ! ave not site on the grounds ~~~5i,;~ ... inadeqUate storage size. . ~tc~; ,.Cost estimate ,mace in 1964 was of the same order as an for the Telegraph Station site made ODe year later . ~vi~w of the smaller storage size, the storage would silt rapidly than the Telegraph Station site. Flood Hitigation *,.~;~~.:~se of the small storage size, the flood mitigation in Alice Springs woule be very minor.