State Rivers and Water Supply Commission of Victoria. Coliban System. Lake Eppalock. Map of Lake Eppalock foreshore area. Colour is used to delineate the areas of the Lake included in the three councils - McIvor Shire, Metcalf Shire and Strathfieldsaye Shire. Scale is 1 inch = 40 chains. Various notations in pencil have been added, with 'Coliban Office Plan' written and circled in the top right corner. A coloured (green) area is scaled as 'fore shore area in the charge of Derrinal Recreational Area Management Committee'. Individual leasing details have been added. state infrastructure, water supply, coliban system, state rivers and water supply commission of victoria. coliban system. lake eppalock.