Plan, hand drawn on waxed paper: Coliban Channel through centre of plan. Written on LH side right of passage over 1 1/2 chains from Melbourne Road Written in red rail water may be returned into channel here VWS fence 3682 drawn in dotted line. Head of drop to bottom of channel drawn inside elevation view on bottom RH corner of plan. Plan also shows Railway reserve, machinery site (un-named)plan, bendigo, coliban channel

When work was being finished on the Back Creek syphon specially designed to push water uphill, metal plates on the pipelines were not strong enough to withstand the pressure. Damaged and loss of water was estimated to be 25,000 pounds. It was one of the biggest disasters in Vicotria's history.Bendigo Advertiser: Full page article entitled 'High pressure failure'.bendigo water supply, coliban system