If you think you might have identified a potential threat to the water quality in Grand Lake St. Marys, use the following tools to report the potential threat for investigation.

If winter manure application is in question, please fill out this form.

To learn more about proper winter manure application, please read Guidelines for Manure Application on Frozen or Snow Covered Soil

If there is evidence of pollution entering waters of the State, you can:

Submit a written complaint to your Soil and Water Conservation District

OR

Call Central Disptach at 419-586-6455

Auglaize County Soil and Water Conservation District Website

Mercer County Soil and Water Conservation District Website

OR

Call the Ohio Environmental Protection Agency Hotline at 1-800-282-9378.