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Education

GLSM Adaptive Management Plan (2023 Update)

The Lake Restoration Commission recently released its updated Adaptive Management Plan for Grand Lake St. Marys. The document details what has been accomplished from 2017 to 2022 and describes plans for the future.

Read more August 22, 2023 at 3:48 pm

The Fishes of Grand Lake St. Marys

Grand Lake St. Marys water quality update & The Fishes of Grand Lake St. Marys presented by Wright State University-Lake Campus' Dr. Stephen Jacquemin at the April 2021 Lake Improvement Association membership meeting.

Read more April 13, 2021 at 6:41 am

Frequently Asked Questions

What issues does Grand Lake St. Marys face? Lake water quality is degraded by nutrient runoff, namely phosphorous, from multiple

Read more November 2, 2016 at 10:31 am

Grand Lake St. Marys Restoration Commission Action Plan

A comprehensive study, plan and associated strategies to restore Grand Lake St. Marys.  Read how Grand Lake St. Marys will

Read more November 2, 2016 at 10:27 am

Benefits of Saving Grand Lake St. Marys

Saving Grand Lake St. Marys will usher in a new era of prosperity for all who live, work, and play

Read more November 2, 2016 at 9:57 am

LIA Powerpoint Presentation

Learn more about Grand Lake St. Marys and what is needed to be done to restore this Ohio lake in

Read more November 2, 2016 at 9:50 am

Rutgers Lake and Pond Restoration Report

A report published by Rutgers University that covers lake and pond restoration strategies, applicable to Grand Lake St. Marys.  Lake

Read more November 2, 2016 at 9:40 am

Fact Sheet: Issues and Solutions

A quick-reference fact sheet that examines the causes of the Grand Lake St. Marys situation and lists potential solutions that

Read more November 2, 2016 at 9:32 am

Watershed Maps

Download and view Grand Lake St. Marys and Wabash Watershed maps. Download Watershed Maps

Read more November 2, 2016 at 9:31 am

Ohio Lake Erie Phosphorus Task Force Final Report

Learn more about how phosphorus is playing a role in Lake Erie as well as Grand Lake St. Marys in

Read more November 2, 2016 at 9:05 am
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Our Mission

The purpose of the Lake Improvement Association is to make improvements to GLSM and its facilities and promote a clean and healthy lake for the general public’s use.

Meetings

Attend a Meeting at:

The Celina Moose Lodge #1473
First Saturday of each month at 10:00 A.M.

Contact Us

Lake Improvement Association

P.O. Box 118 Montezuma, Ohio 45866

info@lakeimprovement.com

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