Problem The operator of a Sewer Utility faced a growing problem on how to improve eciency in his plant while dealing with a tightening budget. While hauling costs were a simple fact of life for this small municipal plant, polymer costs seemed quite expensive for the benet achieved. Using polymers, a municipal plant operator had to wait 6-7 hours to decant and was pumping once every other month. Treatment Objectives Eliminate polymer usage Reduce sludge and the corresponding hauling costs Implement a complete natural treatment program to enhance digester eciency Improve overall settling Reduce labor costs The utility decided on an approach utilizing enzymes,bacteria and micro-nutrients. Chemistry Used A program was designed implementing three all natural technologies from Great Lakes Bio

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