Heavy rains help reservoir levels - and not just in the way you'd guess

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TWIN FALLS, Idaho (KMVT/KSVT) All this rain may be inconvenient now, but it could make a big impact on our local water in the years to come.

At the Twin Falls Canal Company, they measured that we've gotten about two inches in the last few days.

This translates to about two irrigations-worth of water.

That water would be coming from our already low reservoirs.

But instead, in addition to this rain adding to the reservoir level, it's keeping farmers from having to pull water out of the reservoir.

This means increased levels that we can pull over into next year, which, according to the canal company, is a big deal.

"It makes a big difference,” said Twin Falls Canal Company general manager Brian Olmstead, “because if we wouldn't have had this rain, over the next week we would have drawn another 100 thousand acre feet down in that range and so if we don't draw them down at all, that's 100 thousand acre feet that we've got for next year... That's a big deal."

Before the storm, Palisades Reservoir was at about 9 percent full and American Falls was about 10 percent full.

They took a big hit this summer when we went over 50 days without rain.

Now, with the rain, Twin Falls can reduce or stop pulling from storage in reservoirs a few weeks early, which gives more time to get water for storage and could mean more water for next year.

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