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

Register before October 23! 2026 MiCorps Conference

The 2026 MiCorps Conference will be held November 5 and 6, 2026, at the Delta Hotels Muskegon Convention Center. Highlights include a stream macroinvertebrate identification workshop; presentations from experts on pathogen monitoring, hydrology, invasive crayfish, and more; and lots of sessions dedicated to sharing and learning from fellow volunteers and program leaders. You can even take a tour of a NOAA research vessel! Register by October 23, and book lodging by October 22.

That's a wrap on the 2026 MiCorps Aquatic Invasive Species Detection Blitz!

Nearly 300 reports of aquatic invasive species were submitted by volunteers during this year's Blitz, June 29 - July 12. Check out what was found and get ready for next year on our Blitz page!

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.