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Be a rock star

Discover Earth's past as you learn how to find and collect rocks, fossils, and minerals in this new project!

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Updated Weed Control

Get the latest information for weed control in Ohio, Indiana, and Illinois

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New year, New Perspective

Discover the many forms diversity takes in your daily life and finish it off with a creative capstone project.

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Holiday Notice

Our office will be closed on Monday, January 21st for the Martin Luther King, Jr. holiday. Customer service representatives will be available starting on Tuesday, January 22nd starting at 9 a.m.


On-site Sprinkler Irrigation of Treated Wastewater in Ohio (PDF)


This newly revised PDF publication is a guide designed to help homeowners turn their treated wastewater into an efficient irrigation system. This guide gives 12 steps to achieve an irrigation system design and describes the conditions, regulations and permits required for construction.

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