Free wastewater operator tool
Wastewater flow rate calculator
Flow at a plant gets reported in different units. This tool moves between them and works flow from a volume and a time, showing every step. It covers the flow math on the Texas Class D wastewater exam: MGD to gallons per minute, gallons per minute to gallons per day, and flow from gallons and minutes.
How the tool works
A million gallons per day is just a large gallons-per-day figure, and there are 1,440 minutes in a day, so the conversions are steady multiplications and divisions, not tricks. To get a flow rate from a measured volume, divide the gallons by the minutes it took. Open the worked solution and every number traces to a value you entered or a named conversion.