CBC
Aerator that could restore fish in Yellowknife’s Frame Lake turned on
An aerator recently began pumping air into the water of Frame Lake in Yellowknife, and the mining company that set it up hopes it could bring fish back to the long-dead lake as early as 2026. Rio Tinto, which operates the Diavik diamond mine in the N.W.T., installed the device in the summer and turned it on last month. Its purpose is to increase oxygen levels in the lake. The project fulfills Rio Tinto’s requirement, laid out under its fisheries authorization, to compensate for habitat loss caus