Natural Resources Update – March 2026 (Video)
Mercer County Ag & Natural Resources Director Theresa Dirksen offered an update at the March 2026 LIA meeting ...
Grand Lake Crappie Fishing with Matt Tuttle (Video)
Pro fisherman Matt Tuttle discussed how to catch crappie at Grand Lake St. Marys at the March 2026 LIA meeting ...
ODNR Releases 2026 Dredge Plan
The Ohio Department of Natural Resources has released its 2026 dredging plan for Grand Lake St. Marys. For the first ...
Seeing Fish Frozen in the Ice? Here’s Why
Learn why gizzard shad are frozen in the ice on Grand Lake this winter ...
Grand Lake Microcystin Levels: A Decade of Progress
This graphic compares one of Grand Lake’s worst years for microcystin levels (2015) with the most recent full year of ...
2025 Wetland Performance Report (Video & PDF)
Wright State University Lake Campus Biology Professor Dr. Stephen Jacquemin gives an update on 2025 wetland performance in the Grand ...
Grand Lake Migratory Birds with Troy Shively (Video)
Troy Shively discusses Grand Lake St. Marys' migratory birds at the February 2026 Lake Improvement Association member meeting ...
Mercer SWCD Tree Seedling Sale
Mercer SWCD's annual tree seedling sale is underway. Order by the March 6, 2026 deadline. View the flyer for more ...
Grand Lake St. Marys State Park to Get New $2.5M Facility
A new $2.54 million mixed-use building will be built at Grand Lake St. Marys State Park ...
Dirksen and Jacquemin Named Guardians of the Lake
Theresa Dirksen and Dr. Stephen Jacquemin were receipients of the 2025 Guardian of the Lake Award ...
VIDEO: Grand Lake Furbearers
ODNR Wildlife Research Technician Neil Baker discusses beavers, muskrats, and other Grand Lake furbearers ...
