City Meets New Strict Discharge Limits While Coping with Weekend Influent Drop

摘要

The public works manager for the City of Decatur, AR, reports that replacement of the city's aerated pond wastewater treatment system with a special activated sludge process has provided for compliance with a more stringent National Pollutant Discharge Elimination System (NPDES) permit, while coping with a regular 90-95% weekend decrease in wastewater input, and major seasonal variations in ambient temperature.