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90 Years of Recycling and Environmental Stewardship

The production of Milorganite is one of the nation's oldest and world's largest recycling efforts. Since 1926, Milwaukee has safely recycled the nutrient-rich microbes resulting from the city's water reclamation process into Milorganite organic nitrogen fertilizer. Consumers can safely apply these valuable recycled nutrients with plant growing power in the form of Milorganite. To learn more about Milorganite's environmental stewardship efforts over the last 90 years visit here.

Milorganite: The Essence of Earth Day

It's fitting that Wisconsin, the origin of Earth Day, is home to the world's longest-running and nation's largest recycling program: Milorganite.

Earth Day, which began in 1970 at the prompting of then Wisconsin U.S. Senator Gaylord Nelson, evokes images of volunteers clearing debris from shorelines, elementary school students planting trees, and communities collecting hazardous materials from homeowners to protect land and water. Earth Day was the birth of the modern environmental movement.

But how does Milorganite—a fertilizer—fit into Earth Day's focus on environmental stewardship?

"I'm sure most people don't think of fertilizer and environmental stewardship as being related. Actually, most would say they're at odds with each other," said Milorganite Director of Marketing, Jeff Spence. "But when you're talking about Milorganite, they're definitely related."  Read more…

How it began…Ensuring a Clean Water Supply Results in Milorganite

Milorganite was born out of the demand to improve the water quality, one of the scarcest resources on the planet. We may take it for granted, but more than nine decades ago; before Milorganite was first produced, sewerage from Milwaukee's growing population and industrial activities put our waterways and residents at risk.

Reclaiming wastewater using the biosolids process remains as cutting edge today as it was in the early 1900s. Using natural processes, organic matter and its many nutrients are consumed by microorganisms. But there was a problem with what to do with the resulting material that remained—the abundant volume of microbes. Read more…


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