DEP Logo - Go to DEP Main Site

DEP Home


Lbs of CBOD applied to Aeration System
Lbs of Solids in Aeration System

NPDES lab Manual (info on solids testing)


Food to Microorganism (F/M)
Activated Sludge (Wastewater) Calculator

Enter Your Facility Flow (MGD)
Enter Your Activated Sludge Process Influent CBOD  Reading (mg/l)
Enter the Volume (gallons) of your Activated Sludge Aeration System   (we convert this into millions of gallons below)
Enter Your Mixed Liquor Volatile Suspended Solids Readings (MLVSS)

Millions of Gallons in Aeration System(volume MG)
Lbs of FOOD (Influent CBOD) Entering the System (F)
Lbs of Volative Solids Under Aeration (M)
Food to Microorganism Ratio (F/M)

Water/Wastewater math calculator. Select the calculator you want, then press GO!