Lake Monitoring

Learn about monitoring your lake in the Cooperative Lakes Monitoring Program.

Stream Monitoring

Learn how to monitor your local stream or river through the Volunteer Stream Monitoring Program.

Stream Cleanups

Apply for funding to host a stream or river cleanup in your community.

Lake and Stream Data

Access lake and stream data collected by MiCorps volunteers.

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

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 - Register Now!

Our annual conference will be held December 5, 2025. It provides an excellent opportunity to stay up to date on monitoring methods and to meet and interact with other volunteer monitors. Join stream and lake monitoring volunteers and program coordinators from across Michigan to learn, network, and celebrate our collective achievements! The 2025 conference is a free, online event hosted via Zoom. A Zoom link will be sent to you after you register. You may come and go as you wish throughout the day. Register now!