Mount Isa Water Board

The Mount Isa Water Board (MIWB) is a Queensland Government owned water authority located in Northern Australia’s arid interior supplying a most precious commodity to sustain life and the economy of Mount Isa.

MIWB is a statutory authority defined as a Category 1 Water Authority by the Water Act 2000 to operate on a commercialised basis. MIWB activities are fully funded from charges to customers, a fact sheet is available for information about these charges. Customers served by MIWB include:

  • Mount Isa City Council (MICC)
  • Mount Isa Mines (MIM)
  • Incitec Pivot

Key business activities include:

  • acting as a registered Water Service Provider under the Water Supply (Safety and Reliability) Act 2008
  • managing the infrastructure required to transport bulk water from storages at Lake Moondarra and Lake Julius to customers, and applying appropriate water treatment processes to comply with MIWB’s legislative and commercial requirements
  • conducting ongoing investigations and planning for future infrastructure requirements relevant to MIWB operations
  • constructing, operating and maintaining the bulk water transport and treatment infrastructure, necessary to MIWB operations and
  • acting as trustee for the Water and Recreation R48 Reserve (R48 Reserve) on behalf of the Department of Natural Resources and Mines, as administrator of the Land Act 1994.

MIWB’s key responsibility is to provide assurance to the continuity of supply of water to customers and the quality of water delivered to the city.