Permits and Licenses

GLEC has extensive experience conducting Impingement and Entrainment Characterization studies supporting CWA 316(b) and 316(a) compliance at coal-fired and nuclear power plants in the Great Lakes Region.   CWA 316(b) and 316(a) compliance support from GLEC typically includes:

  • Fish Impingement Mortality Studies
  • Turbine Survival Studies
  • Adult and Larval Fish Survival Studies
  • Water Quality Monitoring
  • Thermal Plume Characterization
  • Ecological Surveys
  • Endangered Species Surveys
  • Fisheries Assessments

Principal clients include DTE Energy, American Electric Power, and CMS Energy, and engineering firms that specialize in power plant design and construction services.  Other clients include Xcel Energy, Ford Motor Company, Howard Energy Company, North American Hydro, Minnesota Power, Tennessee Valley Authority, and Thunder Bay Power Company.

GLEC has specialized experience supporting hydropower companies with FERC relicensing efforts by performing Exhibit E (Environmental Studies) of FERC relicense applications. Exhibit E studies typically included environmental assessments of recreation, water quality, sediment quality, wetlands, wildlife, endangered species, fish entrainment, fisheries assessments and cultural and historical resources. Section 401(a) of the Clean Water Act also requires that hydropower licenses include state water quality certification. GLEC staff have assisted power generating clients comply with 401(a) requirements through solid research, effective communications, and extensive knowledge of state water quality criteria standards.


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.


GLEC's Columbus, OH laboratory is ADEQ accredited for Acute Toxicity and Chronic Toxicity testing.



Great Lakes Environmental Center

739 Hastings Street
Traverse City, MI   49686

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