With the creation of the Rand Water Board, bore holes were driven into river bed of the Klip River but by 1914, the Board decided to build a barrage on the Vaal River 64 km to the south of Johannesburg with the Vereeniging Pumping Station which was opened on 27 July 1923 by the Governor-General.:: Water was pumped through 137 cm pipes from the barrage at 1,432m to a height of 1828m on the Witwatersrand.: More water was still required and by 1937 the Vaal Dam was completed 80 km south-east of Johannesburg.: