Our Work

Work started in 1994 to transform one of Michigan’s largest brownfield sites into a world-class resort community, two public parks and a major contributor to the Northwest Michigan economy.

While no longer a partner in the Bay Harbor development, CMS Land Company, beginning in 2004, has taken additional steps to clean the shore and protect the bay. Since 2004, it has invested more than $180million to improve water quality at selected areas where it was found that water coming out of the dust piles contained higher than normal alkalinity levels.

CMS Land has extensively investigated and evaluated the site by:

  • Taking more than 7,000 lake water readings
  • Taking more than 1,300 soil, groundwater and surface water samples
  • Installing more than 450 groundwater investigation wells
  • Completing more than 350 soil borings
  • Installing 187 mercury monitoring well screens
  • Completing extensive geophysical investigations
  • Developing a groundwater computer model to determine water flow rates
CMS Land has installed more than 6,100 feet of water collection lines along the shoreline in the Bay Harbor development and East Park to intercept affected water before it reaches Lake Michigan.

Other work includes the installation of groundwater diversion wells to limit ground water moving through the East Park dust pile, targeted leachate collection wells, removal and relocation of some cement dust and soil, and the installation of two below ground barrier walls to improve the performance of the water collection lines.

In accordance with a long term agreement signed with the Michigan Department of Environmental Quality in 2012, CMS also upgraded a portion of the collection line and completed surface water drainage improvements in 2013.

Work at East Park included moving about 35,000 cubic yards of dust from the east side of the park to the west side, where it was shaped to maximize water run-off, and then covered with an impermeable liner to prevent water infiltration.

This work has nearly doubled the useful space on the west side of the park. Additionally, at the suggestion of the Tip of the Mitt Watershed Council, CMS Land installed a "downstream defender" to filter storm water runoff from parking lot surfaces before it goes into the lake.

As a result of these efforts, East Park was reopened to the public in June 2009.

Please access the links below for more information.
Project Facts
Myths and Facts
What Happens to the Collected Water?


CMS Land has completed numerous bores, wells and probes to extensively study the site (top) and worked throughout the seasons to install remedies to protect the bay (below).



More than one mile of collection lines have been installed to intercept water containing contaminants before it reaches the bay.