The Watercraft Steward Program is co-administered by SLELO PRISM and the Thousand Islands Land Trust. The program runs annually from approximately late May through September. 

In 2022, 12 stewards covered  27 launches across the region, inspecting 12,363 watercraft and preventing 1,110 species from being transported by watercraft. 

 2022 WISP Annual Report

In 2022, 12 stewards covered nearly 30 launches across the region, inspecting more than 13,000 watercraft and preventing over 1,100 aquatic invasive species from being transported by watercraft.