Profile Wannon Water is Victoria's second largest regional urban water corporation by service area and is a statutory corporation constituted on 1 July 2005 under the Water Act 1989. Wannon Water is a major employer in south-west Victoria, Australia, employing just over 200 operational, engineering, financial, environmental and administrative employees. Our Region Our region extends over approximately 23,500 square kilometres from the South Australian border in the west, to Balmoral in the north, to Lismore in the east and the lower Gellibrand River catchment on the south coast. The Warrnambool City, Corangamite Shire, Glenelg Shire, Moyne Shire and Southern Grampians Shire Councils are all within our service area. Our Customers Wannon Water supplies water and sewerage services to a permanent population of more than 82,000 people, including residential, commercial, industrial and rural customers.