Big Sioux River concerns with heavy rains up north - KTIV News 4 Sioux City IA: News, Weather and Sports

Big Sioux River concerns with heavy rains up north


A lot of the heavy rain that fell Tuesday was north of Sioux City, creating concerns about flash flooding in Lincoln County, South Dakota and Lyon County, Iowa.

Most of that water will end up in the Big Sioux River.

With four of the five flood gates on the Big Sioux closed already in Sioux City, some wonder what impact all that extra water will have in the Riverside neighborhood.

A few along the levee have already had signs of moisture in their basement.

And where water is ponding in yards, crews are already pumping it back into the Big Sioux.

Woodbury County Emergency Manager Gary Brown says they are watching rainfall levels, but said it becomes a bigger concern if there are several large rain events in a short amount of time.

He said their crews are equipped with several, heavy duty water pumps if the need should arise.

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