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Natural Resource Damage Assessment

Tittabawassee River, Michigan


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.  

Sign photo

   Photos by USFWS; Lisa Williams


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.)


Update on the Tittabawassee NRDA (1.0 Mb pdf Adobe PDF Icon), presentation made to Citizen's Advisory Group, May 16, 2016.


Tittabawassee River System Restoration Workshop (1.6 Mb) January 27, 2009


Natural Resource Damage Assessment (NRDA) Plan for the Tittabawassee River System Assessment Area - Public Release Draft (1.2Mb Adobe PDF Icon) and attachments (1.0Mb Adobe PDF Icon). April, 2008. Comments on this plan were 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 Adobe PDF Icon) April 17, 2008


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


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


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


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


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



Additional Site Information:


Tittabawasee River, Saginaw River & Bay Superfund Site  (U.S. EPA)


Midland Area Soils Corrective Action Michigan Department of Environmental Quality


Dioxins, Furans and Human Health includes advisories for fish, wild game and floodplain soils (Michigan Department of Human Health and Social Services).  In addition, the State of Michigan has also developed a brochure entitled "Soil Movement Advisory for Private, Public, and Commercial Projects" Adobe PDF Icon



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Last updated: July 20, 2017