GLRPPR Sector Resource: How to Cut Waste and Reduce Surcharges for Your Dairy
How to Cut Waste and Reduce Surcharges for Your Dairy
Wastewater from most dairy plants is discharged to publicly owned treatment works (POTWs), where the majority of the pollutants are removed before the water is discharged to the environment. Treating the water costs money, and most treatment works charge according to the volume of sewage treated. In addition, they commonly charge extra (apply a surcharge) if the waste load exceeds certain specified levels because it costs more to treat water that contains more pollutants. Wastewater from dairy plants is most often tested for BOD5, a measure of the amount of oxygen needed to degrade the organic matter carried by the water. When the level exceeds 250 to 300 mg/l, many treatment plants apply a surcharge. Reducing the waste load from your dairy plant can increase your profits.
University of California - Davis
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