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ENVIRONMENT

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 for August 2022 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

492

12,008

Mount Isa Mines

12,500

12,500

543

11,957

Mount Isa Water Board (distribution)

1,250

1,250

119

1,131

Mount Isa Water Board (any)

50

50

6

44

Total

26,300

26,300

1,159

25,141

 

Dam Water Supply Scheme Operational Report announced allocation (effective 1 August 2022)

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

Moondarra Dam

Elevation

322.16 metres
(Australian Height Datum)

Current storage volume

45,048 megalitres

Nominal operating volume

26,708 megalitres

Current loss allowance

0 megalitres

Clear water lagoon projected storage loss

1,217 megalitres

Usable volume

18,283 megalitres

 

Additional parameters

Medium priority allocation

26,300 megalitres

Current storage surface area

1,059 hectares

Projected storage loss for MD

15,649 megalitres

Medium priority diverted volume

11,159 megalitres

 

Table best viewed in landscape

To be added to the dam emergency notification database of your choice, please complete and submit the form below.

Fields marked with an * are mandatory.