John Barkach 
Senior Program Manager, Hydrogeologist
John has over 35 years’ experience helping the regulated community and governmental agencies with issues related to soil and groundwater quality, surface water and sediment quality, ecological risk assessment, and remediation. As a hydrogeologist, John has conducted environmental studies at RCRA sites, Superfund sites, and for government agencies and private industry. He has directed field activities including the installation of monitoring well networks and aquifer testing, and conducted hydrogeologic assessments to evaluate groundwater quality, identify contamination sources, delineate migration patterns of groundwater contamination, evaluate contaminant attenuation mechanisms, evaluate groundwater/surface water interactions and mixing zones, and developed remedial action alternatives for the removal of chemicals to compliance levels. As a Senior Program Manager, John leads GLEC’s contaminated sediment activities and works closely with engineering consultants, the U.S. Army, industrial firms, and environmental law practices. John is a certified professional geologist (CPG) registered in Michigan and Arkansas and a Certified Hazardous Materials Manager (CHMM). He holds a M.S. in Hazardous Waste Management from Wayne State University, a B.S. in Geology from Michigan State University, and is a Ph. D. candidate in Hydrology from Wayne State (2018).


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GLEC operates one of only a few U.S. laboratories accredited for whole sediment toxicity testing. GLEC also maintains NELAP accreditation for chlorophyll and nutrient chemistry testing.

Great Lakes Environmental Center

739 Hastings Street
Traverse City, MI   49686

Phone: (231) 941-2230
Fax: (231) 941-2240