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  • Calumet Harbor Dredging

    A Dredged Material Management Plan (DMMP) was approved in September 2020 that identified vertical expansion of the current facility as the lowest cost, environmentally acceptable alternative for managing dredged sediment for the next 20 years.
  • Great Lakes Confined Disposal Facilities

    A confined disposal facility, or CDF, is a structure planned and designed to receive sediments dredged from a navigation channel and safely contain the contaminants, preventing their reentry into the waterway or lake.