| Grant Title | Date Awarded | Details |
|---|
| TWIN LAKES ASSN INC.: Twin Lakes Comprehensive Lake Management Plan | 2004 | Details |
| TWIN LAKES ASSN INC.: Twin Lakes Comprehensive Appraisal Phase 2 | 2005 | Details |
| GREEN LAKE COUNTY: Big & Little Twin Lakes AIS Management Project | 2008 | Details |
| GREEN LAKE COUNTY: Big & Little Twin Lakes Aquatic Plant Management Plan Update | 2024 | Details |