Data Providers


GLOS gets data from governmental, research and private sources.


GLOS curates data from many sources, each one an important part of the GLOS network. To learn more about data and the GLOS network contact

Data Providers


Grand Valley State University 

Michigan Technological University Research Institute (MTU/MTRI) 

State University of New York College of Environmental Science and Forestry (SUNY-ESF)

University of Michigan Cooperative Institute for Limnology and Ecosystems Research

University of Michigan Marine Hydrodynamics Laboratory

University of Minnesota-Duluth

University of Wisconsin-Milwaukee

Northern Michigan University (NMU)

Bowling Green State University

University of Toledo  

Ohio State University Stone Laboratory

Illinois-Indiana Sea Grant and Purdue Civil Engineering 


NOAA, Great Lakes Environmental Research Laboratory (GLERL)

Avon Lake Regional Water

City of Elyria, OH 

City of Oregon, OH

City of Toledo, OH 

Ottawa County Regional Water Treatment Plant 

Village of Marblehead, OH 



Aqua America

Share Your Data

Is the Great Lakes Observing Network the right place for your data? GLOS employs a rigorous data review process to ensure your information is properly