FORT SMITH -- The potential negative impact of a failing filter at the city's Massard Water Reclamation Facility in Barling has caused concern and an urge to construct a new apparatus. A trickling ...
A view of the Urbana & Champaign Sanitary District's trickling filter system in its infancy in the 1920s at its plant in northeast Urbana. A plaque on the wall of the Urbana & Champaign Sanitary ...
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