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Natural Resource Damage Assessment

Tittabawassee River, Michigan


Sign photo

   Photos by USFWS; Lisa Williams


The Trustee for natural resources for this site are the State of Michigan (State), acting through the Director of  the Michigan Department of Environmental Quality (MDEQ), the Director of the Michigan Department of Natural Resources (MDNR) and the Attorney General of the State of Michigan (MAG); the United States Department of the Interior (DOI), acting through its representatives, the U.S. Fish and Wildlife Service (Service) and the Bureau of Indian Affairs (BIA); and the Saginaw Chippewa Indian Tribe of Michigan.  


Natural Resource Damage Assessment Reports

Below are Trustee reports for the Tittabawassee River, Michigan Natural Resource Damage Assessment.  If you have any questions concerning information found in any of these reports or any other comments related to this NRDA, contact us via email or telephone:


Lisa Williams, Case Manager, U.S. Fish and Wildlife Service, 517-351-8324


Annette Trowbridge, Natural Resource Damage Assessment Coordinator, U.S. Fish and Wildlife Service 612-713-5104 


Available Reports: (All reports are in PDF format and will require the Adobe Acrobat Reader to view these documents. Some files are large so note the file size before downloading.)


Natural Resource Damage Assessment (NRDA) Plan for the Tittabawassee River System Assessment Area - Public Release Draft (1.2Mb) and attachments (1.0Mb). April, 2008.  Comments on this plan are being accepted until May 27, 2008.  Instructions for submitting comments are in Section 1.6 of the plan and in the April 24, 2008, Federal Register Notice about the plan.


Presentation on NRDA Assessment Plan (1.2 Mb .pdf) April 17, 2008


Amended Memorandum of Agreement (1.5 MB .pdf) for cooperative assessment activities; Trustees and Dow Chemical; June, 2013


Presentation on Restoration Criteria NRDA  (0.3 Mb .pdf) November 28, 2007


Preassessment Screen and Determination (1.3 Mb .pdf) signed by co-trustees 2006.


Memorandum of Understanding among Trustees (0.5 Mb .pdf) signed by co-trustees 2005.


Presentation on NRDA (0.3 Mb .pdf) November, 2005


Other links:

MDEQ Community Involvement  (link to Michigan DEQ)


MDEQ webpage on Dow Hazardous Waste Facility Information  (link to Michigan DEQ)=


U.S. Fish and Wildlife Service National Environmental Contaminants Home



Midwest NRDA Home

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Last updated: May 11, 2015