Awards

The Landers Shute Water Treatment Plant
2004 - Queensland Institute of Engineers Award (Project Infrastructure)
Queensland Institute of Engineers
The Landers Shute Water Treatment Plant provides 150,000 people in the Maroochy and Caloundra region with high quality drinking water.

Gerringong Gerroa Sewerage Scheme
2002 - Engineering Excellence Award (Environment) 
2002 - Finalist in the Australian Institute of Engineers Award
Sydney Division of the Institute of Engineers
The Gerringong Gerroa Sewerage Scheme provides an advanced tertiary treatment of sewerage combined with an effluent reuse system. 

Aqua Project
2002 - Engineering Excellence Awards for Victoria, second prize
Institute of Engineers Australia - Victorian Division
The Aqua Project involved completion of the then largest water treatment plant in the world using submerged microfiltration membrane technology for treating drinking water (126 million litres a day capacity), with microfiltration guaranteeing the removal of Cryptosporidium and Giardia contamination from unprotected rural catchments serving a population of 100,000 in Bendigo.

Noosa Water Treatment Plant
2000 - Engineering Excellence Award (Institute of Engineers - Queensland Division)
Institute of Engineers Australia - Queensland Division
The Noosa Water Treatment Plant was the first large scale application of ozone-activated carbon technology for water treatment in Australia.

Bolivar High Salinity Plant 
2005 - Award of Merit in the Materials category
2005 - People's Choice Award
The Civic Trust of South Australia
2005 - Achievement Award
The Australian Institute of Project Management
2005 - Engineering Excellence Award (Civil Category)
Engineers Australia SA Division
United Water's Bolivar High Salinity Plant treats highly saline wastewater from the Port Adelaide region, which arrives at the Bolivar site via a new 17.5 km pipeline. The first two awards recognise projects that enhance the strength and evolution of the civic environment, assist in the restoration and preservation of the natural environment and are socially and environmentally sustainable. The Australian Institute of Project Management Achievement Award and the Engineers Australia SA Division Engineering Excellence Award (Civil Category) recognised the technical aspects of the project.

Mawson Lakes Recycled Water System
2005 - South Australian Project Management Achievement Award
Australian Institute of Project Management 2005
2005 - Engineering Excellence Award for the Civil Engineering Category
Engineers Australia
Together with SA Water, United Water won the Australian Water Association South Australian Water Award (2005) in the Infrastructure Development & Management Category for the Mawson Lakes Recycled Water System.