Ice Conditions Are Unpredictable and Unreliable

Ice comes and goes with fluctuating temperatures at this time of year. As a result, the thickness of ice forming on local rivers and storm water management ponds is unpredictable and will not reliably support weight.  Water current is also a factor that can undermine ice formation and create unsafe ice conditions, so citizens should always remain cautious near ice.

There are over 350 public and private storm water management ponds scattered throughout Rochester.  They vary in size, depth and flow.  Because of their unique purpose, location, and construction, they are not intended to be used for recreational purposes.

The Minnesota Department of Natural Resources advises people to stay off any water body that has ice less than 2 inches thick.  It takes 4 inches of new clear ice to support foot travel.  These thicknesses are merely guidelines for new, clear, solid ice.  Running water and ice formed under freeze/thaw cycles can be unsafe even when it reaches the recommended thicknesses.

Before crossing ice, test it to learn if it meets these minimum ice thicknesses. You can test the thickness of ice, progressing from shallow near-shore areas outward, using an ice chisel, ice auger, or even a cordless 1/4 inch drill with a long bit.  The DNR recommends that you wear a life vest under your winter gear, except while traveling across ice in an enclosed vehicle.

Weather permitting, the Rochester Park and Recreation Department maintains outdoor skating rinks each winter, usually beginning in late December. Ice rink locations.

For more detailed information, visit DNR’s web site. You can also download their ice safety podcast.

For more information about the City’s Storm Water Management program, please visit: www.rochesterstormwater.com.

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