One of my favorite school field trips was to the Hornsby Bend Biosolids Management Plant in Austin, Texas. I found the processes of turning sludge and wastewater into useful products fascinating. For instance: Dillo Dirt™.
Dillo Dirt™ is a unique Texas product created in 1989 and recognized with a first-place award by the United States Environmental Protection Agency (EPA) for Biosolids Recycing. It was the first program in the state of Texas and one of the oldest in the nation.
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