Your donation makes a difference! It provides vital financial support for water quality monitoring, river protection, restoration, access, education, and advocacy. Thank you!
2022 - GREAT Sponsors (gift of $100 or more)
2022 GREAT CLEANUP SPONSORS
All American Portable Toilets
Camp Storer (YMCA)
Golden Knights Cadets (Jr ROTC)
Lester Brothers Excavating, Inc.
Upper Grand River Watershed Alliance