“Work will start April 22 on a project that will dredge (remove) or cap (isolate from the ecosystem) 1.2 million cubic yards of river bottom sediment contaminated with PAHs, oil & grease, PCBs, and heavy metals like cadmium and copper. Volume-wise, this would fill about 300 Olympic-sized swimming pools. Along with restoration of more than 50 acres of wetland habitat, this work will take place for approximately three years from Kennedy Ave to Cline Ave…This work is funded by US Environmental Protection Agency, Indiana Department of Environment, and Indiana Department of Natural Resources, in partnership with US Fish and Wildlife Service, The Nature Conservancy, Shirley-Heinze Land Trust, Save the Dunes, municipalities, and other local and federal partners. The US Army Corps has also begun dredging in the Indiana Harbor and Ship Canal, and is on track to dredge 300,000 cubic yards through August this year.”
Category:
New section of Grand Calumet river restoration work begins
May 6th, 2013 by Irene MilesIISG’s Caitie McCoy presents Great Lakes progress at international conference
February 18th, 2013 by Irene MilesIISG’s Caitie McCoy attended the Seventh International Conference on Remediation of Contaminated Sediments last week to present her community outreach work with the Great Lakes Legacy Act (GLLA). The conference traditionally features environmental scientists and engineers, but that is changing. “We are starting to see more attention paid to community engagement at these types of conferences,” Caitie tells us. “Technical project managers realize that projects are easier to implement when the community understands and supports the work, and so they’re eager to learn from professionals who specialize in community engagement and stakeholder involvement.”
Caitie presented a poster on her educational program in northwest Indiana, which taught students about the GLLA sediment cleanup at Roxana Marsh on the Grand Calumet River. Instead of presenting a typical scientific poster full of text and graphs, Caitie displayed a mural that her fourth grade students made to represent the Roxana Marsh ecosystem.
“Some of my colleagues were a bit skeptical about me presenting a fourth grade mural to a bunch of technical folks, but I’m not afraid to shake things up,” Caitie said. “I wanted to use something eye-catching that would draw people’s attention toward my poster.” And it worked. Caitie was visited non-stop during the session and talked to more than 100 conference attendees about her program. When asked if she thought her poster made an impact, Caitie replied, “I would never have dreamed that someday engineers would be asking me how to replicate my educational program at their sites, so I take that as a big success.”
Caitie will expand her programming throughout the Grand Calumet River community in 2013, as the Legacy program begins another phase of dredging this summer.
Wisconsin students learn about Great Lakes cleanup
December 10th, 2012 by Irene MilesCaitie writes, “I visited Sheboygan, Wisconsin last Tuesday and spoke to high school biology students, answering questions about the Great Lakes Legacy Act dredging project happening just two miles from their school. This was my final school to visit in Sheboygan as part of a 12-school, countywide tour, which began this past October and reached about 600 high school science students. Now the students know the purpose of a cleanup happening right in their downtown, and they understand the science behind it.

This project is part of a larger effort to provide students with stewardship opportunities and supplemental hands-on education about remediation and restoration efforts throughout the Great Lakes. It has been great to work with students in Sheboygan and Northwest Indiana, and I look forward to bringing this program to more Great Lakes students soon.”
Recent News
IISG Instagram
Science is Survival at C2E2 2026! Catch us at the Chicago Comic & Entertainment Expo (March 27–29) as we explore the underwater world of Subnautica through the lens of Great Lakes science.
Stop by our booth to discover how Great Lakes food webs, invasive species, and aquaponics stack up against your favorite survival game!
Learn more about the event at the link in bio.
Meet IISG grad student scholar, Wei Wu! Wei is a Ph.D. student at Purdue University focused on building AI-powered tools for coastal resilience. His research interests are combining drone sensing, 3D modeling, and immersive visualization to make environmental change more visible and measurable. Through IISG-supported research, he is advancing innovative approaches to monitor and strengthen communities along Southern Lake Michigan.
Full story at the link in bio.
Interested in becoming an IISG grad student scholar? Learn more: https://iiseagrant.org/its-time-to-apply-for-the-2026-iisg-graduate-scholars-program/
Don’t miss out! Join us for a deep dive into the latest Lake Michigan fisheries science.
Topics will include:
-Reef restoration impacts on aquatic and fish species
-Wild reproduction rates for salmon and trout species from the Great Lakes Mass Marking Program
-Fisheries update from the Illinois Department of Natural Resources
Learn more & register at the link in bio.
With spring around the corner, are you curious how this year’s ice cover on Lake Michigan compares to past years? @noaa.glerl has got you covered with the data. Then you can borrow our Great Lakes Basin floor map to help students visualize the data.
View the data: https://www.glerl.noaa.gov/data/ice/
Request to borrow the map: https://iiseagrant.org/education/loanable-kits/
#TeachingTuesday
#GreatLakes
Satellite Photo: February 12, 2023, MODIS satellite imagery indicates below-average ice cover on the Great Lakes for this time of year. (Credit: NOAA GLERL / NOAA Great Lakes CoastWatch Node)
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