BOISE, Idaho — Have you wondered where everything goes after you flush the toilet? Especially after that morning coffee? It doesn't go to waste. I found out how our solid waste is transformed into valuable soil.

"When you flush your toilet, it just doesn't go away," said Cindy Busche, Education Manager at Watershed Education Center . "We take it here and first, we want to screen off anything that doesn't belong."

Used water from Boise, Garden City, and Eagle is treated at the West Boise Water Renewal Facility . Here, water is thoroughly treated before it's returned to the Boise River.

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"So solids are separated from the liquids. The liquids continue in a process that ultimately takes about 24 hours to clean it up and send it back into

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