Mt Isa

Mount Isa
Queensland

Mount Isa

Coordinates

20°44′0″S 139°30′0″E / 20.73333°S 139.50000°ECoordinates: 20°44′0″S 139°30′0″E / 20.73333°S 139.50000°E

Population

21,821 (2015)

• Density

347.47/km² (899.9/sq mi)

Established

1923

Postcode(s)

4825

Elevation

356 m (1,168 ft)

Area

62.8 km² (24.2 sq mi) (2011 urban)

Time zone

AEST (UTC+10)

Location

1,830 km (1,137 mi) NW of Brisbane
904 km (562 mi) W of Townsville

LGA(s)

City of Mount Isa

Mean max temp	Mean min temp	Annual rainfall
31.9 °C ^{89 °F}	17.3 °C ^{63 °F}	461.8 mm ^{18.2 in}

Mount Isa (/ˈaɪzə/ EYE-zə) is a city in the Gulf Country region of Queensland, Australia. It came into existence because of the vast mineral deposits found in the area. Mount Isa Mines (MIM) is one of the most productive single mines in world history, based on combined production of lead, silver, copper and zinc.

With an estimated urban population of 21,821 as at June 2015, Mount Isa is the administrative, commercial and industrial centre for the state's vast north-western region. Although situated in an arid area, the artificial Lake Moondarra 19 kilometres (12 mi) north of the city on the Leichhardt River provides both drinking water and an area for watersports, birdwatching and recreation. Locals often refer to Mount Isa as "The Isa".

Due to the lead production in the city, Mount Isa has one of the most intensive air quality monitoring systems in Australia. Concerns have been raised over childhood lead contamination and air pollution within the city. The Mount Isa Mines (MIM) in particular are a source of significant lead pollution.

The land around the present day city of Mount Isa was home to the Kalkadoon aboriginal tribe. The Kalkadoon tribe led a subsistence lifestyle on this land that the white settlers looked at as nothing but poor grazing land, with the odd mineral deposit. As settlers and prospectors pressed further into their lands the Kalkadoon tribe members set out on one of Australia's most successful guerrilla wars in a fight for their lands. Their success continued until at Battle Mountain in 1884, with what some historians have called a rush of blood, the tribe attacked a fortified position in large numbers and suffered terrible losses. The weakened state of the tribe made their land more vulnerable to the settlers and soon much of the land was lost. Armed patrols chasing the surviving tribe members and poor grazing lands for the settlers made times hard in the area over the following decades.

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