clutha river By jordan bailey Jan 1, 1945 investigations begin on could clutha river potenially be dammed Jan 1, 1948 construction of the roxburgh dam begins Nov 16, 1959 lake hawea control dam and put it into use and lake hawea rises by 20M Jan 1, 1963 investigations into building more dams on the clutha river 30 proposed dam sites, 20 of these were costed out Nov 16, 1971 they submitted outlining the enviromental effects of damming the river which is whena lot of the protesting began Jan 1, 1976 a site is selected for the clyde dam Jan 1, 1977 water right is accepted for a low dam but were going to have a high dam Jan 1, 1979 building begins on the right side dam Jan 1, 1981 goverment agrees to construct a high dam