It’s a natural occurrence and there’s no threat to the public.
So says the City of Kelowna about orange-tinged rocks on stretches of Cedar Creek, Rotary and Kinsmen Beaches.
READ MORE: Kelowna’s red rock mystery solved; sort of
Testing has determined the residue is iron related bacteria that has surfaced because of the low level of Okanagan Lake and iron infused groundwater seeping to the surface.
“Once lake levels begin to rise, the colour will dissipate into the lake water again,” says Parks Services Manager Blair Stewart. “Any residue remaining on the beaches will eventually dry out and may leave a rust-coloured coating on rocks in the area but is not harmful.”
While not dangerous, the orange residue could stain clothing.