Lake Guardian Programs

Open Lake Water Quality Survey

Lake Erie Dissolved Oxygen Survey

Cooperative Science and Monitoring Initiative (CSMI)

Great Lakes Fish Monitoring and Surveillance Program (GLFMSP)

The R/V Lake Guardian sails on behalf of the USEPA Great Lakes National Program Office, gathering environmental data to gauge the health of Great Lakes.

What's Happening?

The 2018 sampling season has begun! See the full schedule here »

Read about the Lake Guardian and Captain Mallard in the Illinois-Indiana Sea Grant newsroom »

Check out a social media recap of the 2016 Summer Survey »

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