2018 Unionid Surveys at 5 Proposed Dredge Sites, Grand River, Kent County, Michigan

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You can download the full report by clicking on the links below. The attachments will open in a new window.




Executive Summary – Grand River Waterway Mussel Surveys

Reconnaissance surveys revealed that the 13 downstream most sites (Site 1 near the City of Lamont to Site 13 near the 28th Street Bridge) did not contain live mussels; substrate at these sites consisted of unstable sand, which is generally unsuitable for mussel colonization. Therefore, dredging of these downstream sites is unlikely to harm mussel resources of the Grand River…


Unionid Surveys at Proposed Dredge Sites, Grand River, Kent and Ottawa Counties


Grand River Dredging Feasibility Study 2017


Excerpt from Grand Rapids Destination Asset Study, 2016

For the full Destination Asset Study click here.


The Map 

A detailed map of the river from Grand Haven to Grand Rapids


Preliminary Feasibility Report on Shallow - Draft Navigation

Grand River

by the U.S.Army Corps of Engineers 


A Hydrographic Survey with Multi Beam Sonar

To determine the amount and location of the pilings in the river, that present an unnatural hazard to boating, the survey will use Multi Beam Sonar technology. This project will be completed in April/May of 2016.


Economic Impact Calculator

Detailed Economic Impact Calculator
MSU On-line Boating Economic Impact Model


History of the work on the Grand River

click on the thumbnails to find INTERESTING historical information on the topic  


 The Grand River at Grand Rapids,MI

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.