USEFUL WATER COMPARISONS

1 NSWIC NEW SOUTH WALES IRRIGATORS COUNCIL PO Box R1437 Royal Exchange NSW 1225 Tel: 02 9251 8466 Fax: 02 9251 8477 ABN: 49 087 281 746 Member Organisations: Bega Cheese Limited, Border Rivers Food & Fibre, Coleambally Irrigation Co-Op Ltd, Cotton Australia, Gwydir Valley Irrigators Association Inc., High Security Irrigators Inc, Hunter Valley WATER Users Association, Lachlan Valley WATER , Macquarie River Food & Fibre, Mid Coast Dairy Advancement Group, Mungindi-Menindee Advisory Council, Murray Irrigation Limited, Murray Valley WATER Diverters Association, Murrumbidgee Groundwater Inc., Murrumbidgee Irrigation Ltd, Murrumbidgee Private Irrigators Inc., Murrumbidgee Valley Food and Fibre Association, Namoi WATER , NSW Farmers Dairy Committee, NSW Farmers Association, Ricegrowers Association of Australia, Richmond Wilson Combined WATER Users Association, Riverina Citrus, Southern Riverina Irrigators, South Western WATER Users , West Corurgan Private Irrigation District, Wine Grapes Marketing Board.

2 USEFUL WATER COMPARISONS 1 Megalitre (ML) = One million litres of WATER - Approximately 40% of an Olympic size pool - If an Olympic pool is 50m x 25m x 2m = 2500 cubic meters - One cubic meter is one thousand litres (one kilolitre) - Therefore it would take Megalitres to fill an Olympic swimming pool - Or a ML is enough WATER to cover 1 hectare (100m x 100m) to a depth of 10cm 1 Gigalitre (GL) = One thousand million litres of WATER (one Billion) (approx. 400 Olympic size pools) HOW MANY SYDNEY HARBOUR S? Port Jackson, containing Sydney Harbour, is a drowned river valley and is considered a natural harbour. It is 19 km long with an area of 55 km . One Sydney Harbour (Sydharb), (the amount of WATER in Sydney Harbour) is approximately 500 gigalitres or 200,000 Olympic size pools.