[1] The researchers focus on a variety of sciences including aquatic chemistry, geochemistry and paleoclimatology.
Its stated purpose dedicates the LLO to "performing innovative, cross-disciplinary research, education, and outreach that advance scientific understanding of Earth’s large lakes for the benefit of society and the sustainability of freshwaters.
[3] The LLO operates the R/V Blue Heron as the only University National Oceanographic Laboratory System vessel on the Great Lakes.
[6] Large Lakes Observatory members coordinate and participate in various public outreach events.
These include annual tours of the R/V Blue Heron, a permanent exhibit at the Great Lakes Aquarium, and public data portals for LLO-managed water quality instruments.