River emits five times more methane after wastewater treatment plant, research finds
A stretch of river into which treated wastewater has been discharged emits five times more methane than a stretch of river ...
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Sioux City Waste Water Treatment Plant bringing in help for $450 million project
SIOUX CITY (KTIV) - Sioux City’s Wastewater Treatment Plant is getting plans in place for what’ll be one of the city’s largest capital investment projects in total, clocking in at around $450 million.