About H2Know

H2Know is designed to bring the challenges, solutions, science and research related to our vital water resources to the classroom.

The Canadian H2Know Lake Erie digital case study was developed by Nutrients for Life Foundation Canada with permission from Nutrients for Life Foundation (US Foundation). Nutrients for Life Foundation Canada is a registered charitable organization committed to bringing educational materials to the classroom, focusing on soil science and agricultural sustainability. To connect with a Nutrients for Life Regional Managers who can support teachers with the content, contact us.


The H2Know education content was supported by Nutrients for Life Foundation USA. In the original development it was supported by the International Plant Nutrition Institute, The Nature Conservancy, Ohio Agricbusiness Association and the Fertilizer Institute.

We would to thank the Ontario Agribusiness Association for supporting this digital case study.

Nutrients for Life USA


A special thank you to the experts who participated in the H2Know case study:

  • Doug Wagner, City of Oregon, OH, Water Treatment Superintendent
  • Tom Bruulsema, Ph.D. Chief Scientist for Plant Nutrition Canada
  • Colin Elgie, Agronomy Solutions Specialist, Sylvite
  • Kevin King, Ph.D., USDA-Agricultural Research Service
  • Merrin Macrae, Ph.D. University of Waterloo, Department of the Environment
  • Kevin MaKague, Water Quality Engineer, Ontario Ministry of Agriculture, Food, and Rural Affairs
  • Anne Loeffler, Conservation Ontario

Upcoming Sections

Section 01

Start by discovering an issue that led to a water ban impacting more than 400,000 residents in Toledo, Ohio, in 2014.

Section 02

Is Lake Erie the perfect environment for algae? Learn about its limnological characteristics and the history of this issue.

Section 03

Study the Western Lake Erie Watershed to look for activities that may impact water quality.