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

Apply now for 2026 stream grants

We are accepting proposals for grants to support volunteer stream monitoring programs and volunteer stream cleanup events. The application deadline for all proposals is March 6, 2026, at 5:00 pm. Visit our Stream Grant RFP page for all the details. You can also find general program information on our Stream Monitoring and Stream Cleanup pages.

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.