The following organizations have participated in the WLEB effort since 2005:

- US Army Corps of Engineers
- US Department of Agriculture - Natural Resources Conservation Service
- US Fish & Wildlife Service
- US Geological Survey, Ohio Water Science Center
- US Environmental Protection Agency
- Governor of Ohio
- Governor of Indiana
- Governor of Michigan
- Ohio State Technical Committee
- Indiana State Technical Committee
- Michigan State Technical Committee
- Ohio Department of Natural Resources, Division of Soil & Water Conservation
- National Association of Conservation Districts
- Maumee River Basin Partnership of Local Governments
- University of Toledo
- Heidelberg College (National Center for Water Quality Research)
- Michigan NRCS
- Ohio NRCS
- Indiana NRCS
- Lucas SWCD
- Conservation Action Project
- Ohio Environmental Council
- Maumee Valley RC&D
- Sisters of St. Francis (Tiffin)
- Center for Watershed Protection
- Ohio Lake Erie Commission
- American Rivers
- Sofia Quintero Center
- StormCenter Inc
- Defiance SWCD
- Green Ribbon Initiative
- City of Toledo
- Toledo Rain Garden Initiative
- Ohio EPA
- Ohio Farm Bureau Federation
- The Nature Conservancy
- St. Joseph River Watershed Initiative
- Ducks Unlimited
- Ohio Sea Grant
- ODNR, Division of Wildlife
- Environmental Defense Fund
- Western Lake Erie Association
- Ohio State University Extension
- Partners for Clean Streams
- Blanchard River Watershed Partners
- Joyce Foundation
- Portage River Watershed Council
- Duck & Otter Creek Partnership
- Toledo Metropolitan Area Council of Governments
- URS
- and many more...

Don't see your organization listed? If you have helped make the WLEB Partnership a success, we want to include you in the list. Please let us know if we have forgotten you, email us.