Few would think of biosolids as attractive, but that was the goal Gregory Kongslie set for Sumner Grow, the Class A exceptional-quality biosolids product from the Sumner (Washington) Wastewater Treatment Facility.“While planning the 2005 upgrade, we knew homeowners would comprise half our target market for biosolids,” says Kongslie, plant superintendent. “Unless our product exhibited acceptable form and desirability, no one would take it even though it was free.”Furthermore, Pierce County has three Class A biosolids facilities. Sumner Grow granules would compete with SoundGRO, a pelletized biosolids from Chambers Creek Regional Wastewater Treatment Plant, and TAGRO biosolids mulch, mix and potting
