Kids Fishing Derby 2018: By the Numbers

The Lake Improvement Association held its annual Kids Fishing Derby on Sept. 12, 2018 at the East Bank Pond at Grand Lake St. Marys. We are thrilled that 167 children were able to...

This Is Critical: Voice Your Opposition to Proposed Distressed Watershed Changes by Sept. 7

The Ohio Department of Agriculture is proposing that the manure ban in the Grand Lake Watershed be lifted and producers

Oil Derricks on the Lake and Across Mercer County: Sept. 9 Exhibit

Oil Wells on the Reservoir in the 1890’s is one Chapter in the upcoming book, “Mercer County Ohio Oil & Gas Well History,” for the September 9, 2018, Sunday afternoon exhibit, at the...

Knowledge Base

The Lake Improvement Association knowledge base features reports, data, statistics, action plans, and more learning resources.

LIA Educational Series

Welcome to the Lake Improvement Association's Education Series. View each installment to learn more about Grand Lake St. Marys.

Minutes

Minutes from the monthly LIA Member Meeting, held at 10 a.m. every first Saturday of the month at the Celina Moose.

Photo Gallery

Check out fun photos from past Lake Improvement Association events! Find your own photos - and photos of your friends!

Grand Lake St. Marys App – now on iOS!

Download the LIA Grand Lake St. Marys app!

Channel Aeration Cost Share Program

Get up to $500 to aerate your channel!