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Denton, Texas has a city-wide recycling program that produces a line of soil conditioning and compost products through its Water Utilities Beneficial Reuse Division and sold under the names Dyno Dirt, composting of recycled residential trimmings and leaves, and Dyno Soil, wastewater bio-solids used as soil amendments and organic fertilizers. The Dyno Dirt product, for instance, was recently used at a Frisco, Texas jobsite because it met the landscape architect’s desired specifications.
Enter stage left Texas Rep. Dennis Bonnen, R-Angleton, who asked the state attorney general to decide if Texas cities can legally sell mulch and compost products in competition with businesses, citing concerns that cities can underbid businesses for commercial landscaping projects because they don’t have the upfront labor and equipment costs.
Mr. Bonnen identifies Denton, Plano and Brenham as the three most aggressive cities in Texas marketing and selling these recycled products. State Attorney General Greg Abbott is expected to issue an opinion soon.
Denton Mayor Perry McNeill points to the obvious benefits of the recycling and notes that if these materials are not sold they will just end up in landfills.
Dyno Dirt/Dyno Soil products generated nearly $448,000 in sales in fiscal 2006 for the city.
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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