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Water resource management

Lake Moondarra and Rifle Creek are important water resources for our Mount Isa Mines operations and the Mount Isa community.

Mount Isa Mines is the Resource Operating Licence holder of Lake Moondarra Dam. Details of monthly water allocations from Lake Moondarra are posted below.

If you live downstream of Lake Moondarra or Rifle Creek Dam, you have the opportunity to register and be added to an Emergency Notification Database in line with the Emergency Action Plans for the respective water sources.

Moondarra Dam water allocation table

Allocation and usage as of 1 November 2024 in megalitres (ML)

 

Total water authority
(ML)

Total water allocation for year
(ML)

YTD allocation water usage
(ML)

Remaining balance
(ML)

Mount Isa City Council

12,500

12,500

2,406

10,094

Mount Isa Mines

12,500

12,500

2,522

9,978

Mount Isa Water Board (distribution)

1,250

1,250

415

835

Mount Isa Water Board (any)

50

50

33

17

Total

26,300

26,300

5,376

20,924


Dam Water Supply Scheme Operational Report announced allocation for the 2024-25 reporting year (effective 1 July 2024)

Medium priority announced allocation (AAM) 100%
(model supplied by Department of Natural Resources, Mining and Energy)

Moondarra Dam

Elevation

325.30 metres
(Australian Height Datum)

Current storage volume

90,407 megalitres

Nominal operating volume

26,708 megalitres

Current loss allowance

3,521 megalitres

Clear water lagoon projected storage loss

1,290 megalitres

Usable volume

26,300 megalitres

 

Additional parameters

Medium priority allocation

26,300 megalitres

Current storage surface area

1,907 hectares

Projected storage loss for MD

30,229 megalitres

Medium priority diverted volume

0 megalitres

 

To be added to the dam emergency notification database of your choice, please complete and submit this form. Fields marked with an * are mandatory.

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