Situated 4 kms west of Tumbarumba, Mannus Lake is a popular location for recreational fishing, boating, walking and bird watching and brings tourism and economic benefits to the local area. The capacity of the dam is 2350 ML.
10 March 2020 - Blue-green Algae Red Alert at Mannus Lake
WaterNSW advises people not to enter the water, not to drink untreated water or bathe in water drawn from the lake or creek while the red alert level warning is in place. Livestock owners should monitor stock water supplies and remove stock from waters where surface scum is visible or blue-green algae is suspected.