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 April 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

12,430

12,430

5,368

7,062

Mount Isa Mines

12,500

12,500

6,061

6,439

Mount Isa Water Board (distribution)

1,250

1,250

544

706

Mount Isa Water Board (any)

120

120

62

58

Total

26,300

26,300

12,035

14,265


Dam Water Supply Scheme Operational Report announced allocation for the 2023-24 reporting year (effective 1 July 2023)

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

Moondarra Dam

Elevation

325.07 metres
(Australian Height Datum)

Current storage volume

85,189 megalitres

Nominal operating volume

26,708 megalitres

Current loss allowance

0 megalitres

Clear water lagoon projected storage loss

70 megalitres

Usable volume

26,300 megalitres

 

Additional parameters

Medium priority allocation

26,300 megalitres

Current storage surface area

1,108 hectares

Projected storage loss for MD

1,285 megalitres

Medium priority diverted volume

15,491 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.