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Algae Bloom in Michigan’s Saginaw Bay Seen from Space


Saginaw Bay Pollution Seen From Space

From NASA

This post was originally published in 2012. It’s one of the most viewed and searched for on ThumbWind until our Michigan Wind Farm Map was issued. With the recent budget cuts announced for the EPA by the current administration it’s feared that the Great Lakes and Saginaw Bay will once again experience muck and fecal encrusted beaches. 


Algal Blooms Affect Water Quality

Algae Bloom Seen From Space

Lake St Clair

The once pristine waters of Michigan’s Saginaw Bay now look like Lake Erie in the 1960’s. This observation was made by oceanographers with the National Oceanic and Atmospheric Administration, NOAA, after reviewing images made by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite on October 9, 2011.

Researchers were comparing algae blooms in Lake Erie and Saginaw Bay. “This is considered the worst bloom in decades,” says Richard Stumpf of NOAA. The green in Saginaw Bay is probably an algal bloom as well.” According to NASA, over the past decade Microcystis, a type of blue-green algae known to produce the toxin microcystin, has returned to the Great Lakes. No single cause has been pinpointed, but runoff from cities, fertilizers, septic tank overflow, zebra mussels, and livestock near water supplies are likely culprits. 

Saginaw Bay has been listed by the EPA as an Area of Concern for over 30 years. 


Saginaw River a Significant Source of Nitrate Runoff

Despite $45 million in improvements, Bay City and Saginaw wastewater treatment overflow millions of gallons with partially treated waste water into Saginaw River which flows into the Bay. Laura Ogar, the Bay County Director of Environmental Affairs and Community Development notes that reports are made averaging six overflows a year. Published reports estimated that 90 million gallons of overflow occurred in 2011. Bacteria still present in the water without full treatment. 


Related Stories on Saginaw Bay Pollution


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Mike Hardy

Author of a fun loving and event blog covering topics of the Upper Thumb of Michigan , the wind energy capital of the Great Lakes. Offering great trove of information on Wind Energy, Cheeseburger in Caseville, Saginaw Bay, Sailing.

3 Responses

  1. March 11, 2012

    […] Mr. Wang warning comes just has researchers are looking at severe algae blooms occurring regularly in Lake Erie and Saginaw Bay. (See ThumbWind.com’s earlier post “Algae Bloom in Michigan’s Saginaw Bay Seen from Space”) […]

  2. March 18, 2012

    […] have gotten so bad in recent years it now compares with the situation Lake Erie faced in the 1960s. NASA released pictures shot from the space station that showed the full algae bloom in 2011. Share this:PrintFacebookLinkedInTwitterLike this:LikeBe the first to like this post. from → […]

  3. May 16, 2012

    […] in the Upper Thumb. This report comes on the heels of earlier story’s at ThumbWind of Algae Blooms that can be seen from space and the problem of muck in Saginaw […]

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