The US Environmental Protection Agency's (EPA) superfund program has been overseeing Dow's cleanup of the site since 2012, and the last portion of the project was expected to be completed in 2021.
This is a developing story.
"This is unlike anything we've seen before", she added, saying downtown Midland, Michigan, which is located about an hour and a half north of Lansing, could be under nine feet of water by morning.
Whitmer made the announcement while updating the flooding after the failure of the Edenville Dam near the Midland area.
About 10,000 people in central MI were told to evacuate their homes after rapidly rising water overwhelmed dams, creating a "life-threatening situation", the National Weather Service said. People down stream of the Sanford Dam are told to seek higher ground immediately because the impact of the situation could be deadly.
The flooding could also potentially breach a containment system built for contaminated soil, depending on how it was built, Muno said.
Floodwaters overflow at Sanford Dam Michigan U.S. in this
Michigan Governor Gretchen Whitmer on Wednesday called on the federal government to provide help to the state in responding to the flooding, which struck at a time when it is grappling with the coronavirus pandemic. "We will share additional information as it becomes available".
Thousands of residents in central MI have been forced to evacuate their homes after rapidly rising waters from the Tittabawassee River from two dam failures threatened to flood parts of Midland County, bringing up to 9 feet of water.
The National Weather Service in Detroit said on Twitter a Flash Flood Emergency continues in Midland County through 7:30 a.m. Wednesday. In the statement released by her office, she urged residents to go to their relatives, who live in other parts of the state.
Towns near the Tittabawassee River were ordered to evacuate Tuesday night after the Edenville Dam breached, as did another operated by the same company.
Pictures and videos of the flooding and the damage it has caused appeared on social media.
The declaration also temporarily suspends the COVID-19 emergency order for the city and county of Midland. Residents are advised to obey all road closure signs and to stay clear of standing water, flooded areas, and floating debris. For more information on shelters, road closures, and updates, visit Midland911.org.
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