May 11th, 2020 
The Delaware River in the Philadelphia area is designated as Zone 3 by the Delaware RiverBasin Commission (DRBC). Imaging a wastewater treatment plant discharges 3 MGD(million gallons per day) of effluent containing 25 mg/L BOD and 2 mg/L DO to the upperstream of the Delaware River Zone 3. Is it still within the Philadelphia area […]
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