Dam ko madatsun ruwa manyan ayyukan injiniya ne Kuma lokacin da kake tsaye akan ɗaya ko kallon sa daga ƙasa, abin mamaki ne sosai.
A Ostiraliya akwai da yawa dams tunda ajiyar ruwa ya kasance matsala a nan. A Tasmania, alal misali, akwai Gordon Dam wannan ya ƙunshi kuma yana amfani da ruwan kogin na wannan sunan, zuwa kudu maso yamma na tsibirin.
Gordon Dam Yana da shekaru 42 kuma dalilin gina shi shi ne samar da makamashi, don haka matattarar ruwa ce da ta kunshi madatsar ruwa da tashar da ke aiki a karkashin bango. An gina shi da kimanin siminti cubic mita 1500 na kankare. Yana da girma sosai kuma katangar ta kusan tsayin mita 200 da tsayi 140 don haka a kalla a cikin Tasmania shine mafi girma duka.
Ruwan tafkin da yake samarwa shine Lake Gordon kuma idan madatsar ruwan tayi aiki iyakar iyawar sa tabkin shine mafi girma a duk ƙasar. Abinda yake na musamman game da wannan dam din shine lankwasa bangonsa wanda yake ninki biyu. A wannan shekarar tabki da madatsar ruwa suna cikin labarai domin tun lokacin da aka gina shi ba ta taba samun karancin ruwa ba.