Winterkill recovery time?

[baetisman]

I went up to one of my favorite lakes in the Cottonwood canyons, only to find that there had been winterkill. The fish weren't cruising the shoreline and between a night and a morning I saw no more than 6 fish rise. This lake used to have some very nice fish.

So does anyone know how long it takes a lake to recover after a winterkill? Does the DWR bring in fish or do they rely on the few survivors to repopulate?

Tough to see a once great lake be so dead.
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