By Marc Kloker
MT FWP Region 6 

FWP concerned that more ponds in northeast Montana have winterkilled


March 15, 2023

Big Reservoir in Valley County. Courtesy photo.

The climate in northeast Montana the last few years hasn't been the best for our area fishing ponds. Back-to-back summer droughts and now a tough, long winter this year, have left fish populations in many ponds and small reservoirs across northeastern Montana with little room to breathe. As a result, Montana Fish, Wildlife & Parks is asking anglers to help identify ponds this spring that may have winterkilled.

What causes fish to winterkill?

There are many factors that influence a pond to winterkill, but it usually starts with low water and increased vegetation.

"Unfortunately, the o...

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