GPD is an acronym for gallons per day, while MGD is an acronym for millions of gallons per day. Both are used for rates of flow of a liquid, but the former is appropriate for small flows (for example, how much you water your lawn) and the latter for much larger flows (for example,...
Prior to 2003, the City of Woodstock operated a 0.5 million gallons per day (MGD) Sequencing Batch Reactor (SBR) facility at the Rubes Creek Water Pollution Control Plant (WPCP). The facility would be unable to treat future increasing wastewater flows resulting from rapid growth in areas north...