Lake Monitoring
Learn about monitoring your lake in the Cooperative Lakes Monitoring Program.
The Michigan Clean Water Corps (MiCorps) empowers people and communities to protect their local inland lakes and streams. MiCorps is Michigan's statewide volunteer lake and stream monitoring program and supports local river and stream cleanup events.
Volunteers make an impact on Michigan waters
1,072 lakes monitored since 1974
30 stream monitoring organizations currently supported with MiCorps grants and technical support
297 stream miles cleaned up by volunteers since 2021
News and Events
Recording available: CLMP Midsummer Check-in
Watch the recording of the Cooperative Lakes Monitoring Program's Midsummer Check-In. We provide a review of summer sampling schedules, share some sampling tips and tricks, and answer volunteer questions about lake monitoring. The video is available at the bottom of our Lake Training page.
Save the Date: 2026 MiCorps Conference
The 2026 MiCorps Conference will be held November 6, 2026 at the Delta Hotels Muskegon Convention Center. There will also be an optional pre-conference stream monitoring workshop the afternoon of November 5. Mark your calendar today!
2026 CLMP Enrollment Now Open!
Are you interested in monitoring water quality, habitat, or invasive plants on one of Michigan’s inland lakes? If yes, you’re invited to become a volunteer lake monitor for the MiCorps Cooperative Lakes Monitoring Program (CLMP). Enroll Today!
2025 MiCorps Conference held December 5
Our annual conference was held December 5, 2025. Recordings and resources from the conference sessions are available on the 2025 conference webpage.