(CNN)- The governors of Minnesota and South Dakota declare states of emergency amid torrential rain and flooding.
Parts of Minnesota have been hit with storms for days causing damage to homes and triggering lakes and streams to rise.
After torrential rain in Minnesota Thursday, many people are wading through the water or working to keep it "out".
Massive flooding in the twin cities has trapped cars and ruined homes.
Rivers and creeks are rising.
Officials warn flood waters could be contaminated.