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

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!


Register today! Virtual Midsummer Check-in - July 16th, 10 am

Join staff from the MiCorps Cooperative Lakes Monitoring Program for a Midsummer online check-in. The purpose of this one-hour Zoom meeting is to provide a review of summer sampling schedules, share some sampling tips and tricks, and answer any questions you may have about monitoring your lake. This is a free event. You will receive the Zoom link after you register. The session will be recorded and posted on our website shortly after. Register today!


Sign up for the 2026 MiCorps Aquatic Invasive Species Detection Blitz

Join our statewide community science event to report aquatic invasive species such as zebra mussels using iNaturalist, June 29 - July 12!

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.