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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 September 2021 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

1,137

11,363

Mount Isa Mines

12,500

12,500

1,143

11,357

Mount Isa Water Board (distribution)

1,250

1,250

161 1,089

Mount Isa Water Board (any)

50

50

15 35

Total

26,300

26,300

2,456 23,844

 

Dam Water Supply Scheme Operational Report announced allocation (effective 1 July 2021)

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

Moondarra Dam

Elevation

323.68 metres
(Australian Height Datum)

Current storage volume

64,172 megalitres

Nominal operating volume

26,708 megalitres

Current loss allowance

4,070 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

1,428 hectares

Projected storage loss for MD

22,638 megalitres

Medium priority diverted volume

15,943 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.