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 (AA_M) 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.