The Decatur, Arkansas, wastewater treatment plan on a mist-shrouded morning in early June 2025. (Photo by Arshia Khan for Arkansas Advocate)An Oklahoma city’s appeal of a town’s wastewater permit issued by the Arkansas Division of Environmental Quality upstream of its drinking water source was dismissed on a technicality Friday by the state pollution control panel. The Pollution Control and Ecology Commission tossed the appeal, ruling it had nev…