Big Blue River Flood Risk

Timely Information

The city will post regular updates of the levels at Tuttle Creek Lake and release rates when concern rises about the flood risk along the Big Blue River east of Manhattan. If the situation with Tuttle Creek Reservoir changes, the City of Manhattan, Riley County and U.S. Army Corps of Engineers will work to inform affected residents and business owners.

River Resources

Be Prepared

With recent rains and rising water levels in Tuttle Creek Lake, the Big Blue River could be at risk for flooding. Be prepared for the possibility.

Floodplain Management

The Big Blue and Kansas Rivers Floodplain Management Plan was recently completed. See the document for details on strategies to minimize flood risk in Manhattan, Riley County and Pottawatomie County.

Flood Insurance Rate Maps

Flood Insurance Rate Maps (FIRMs) show the updated risk factors for residents in the Manhattan area. These maps went into effect on March 16, 2015, along with new floodplain regulations.

Know Your Flood Risk

Know your flood risk no matter where you live in Riley and Pottawatomie counties. If you're a homeowner, renter, insurance agent or Realtor/lender, find out your risk and how you can protect yourself.