View a map of Lake Erie Western Basin Watershed.

View a map of Lake Erie Western Basin Watershed.


The agriculture community is launching a proactive, responsible commitment aimed at the long-term improvement of Lake Erie’s water quality.

This new 4R Nutrient Stewardship Certification Program encourages agricultural retailers, service providers and other certified professionals to adopt proven best practices through the 4Rs, which refers to using the Right Source of Nutrients at the Right Rate and Right Time in the Right Place.

This approach provides a science-based framework for plant nutrition management and sustained crop production, while considering specific individual farms’ needs.

This voluntary new program provides a consistent, recognized standard for agricultural retailers in Indiana, Michigan and Ohio where surrounding waters drain into Lake Erie. As regulations are being considered, it’s critical retailers and their grower customers adopt best practices to realize long-term improvements.