Question: A Stream Has A Flow Rate Of 50 Cfs (cubic Feet Per Second) And A Dissolved Oxygen Concentration Of 5.3 Mg/L. A Wastewater Plant Discharges 4 MGD (million Gallons Per Day) Of Wastewater, With Only 1 Mg/L Dissolved Oxygen, Into The Stream. Assuming That Oxygen Is Conserved Upon Mixing In The River, Evaluate Whether The Dissolved Oxygen Concentration Downstream…
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A stream has a flow rate of 50 cfs (cubic feet per second) and a dissolved oxygen concentration of 5.3 mg/L. A wastewater plant discharges 4 MGD (million gallons per day) of wastewater, with only 1 mg/L dissolved oxygen, into the stream. Assuming that oxygen is conserved upon mixing in the river, evaluate whether the dissolved oxygen concentration downstream of the wastewater input will meet the aquatic criteria value of 25 mg/L.
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