What is the difference between GPM and MGD, and how are they used in plant design?

• A. GPM is gallons per minute; MGD is millions of gallons per day; both quantify flow for sizing equipment and hydraulics.
• B. GPM is gallons per mile; MGD is millions of gallons per day.
• C. GPM is gallons per minute; MGD is kilograms per day.
• D. GPM is gallons per module; MGD is megagrams per day.

Answer: (A)