A small municipality in Utah (pop. 1,800) had a wastewater system with a flow rate of 192,000 gallons per day. The system included a series of four lagoons, although at this time only Ponds 1 and 2 were being evaluated for treatment.
The influent consisted of domestic waste as well as septic. Pond 1 was specifically being addressed due to a State mandate. A sludge judge was performed which showed Pond 1 had an average sludge depth of 2.7 feet and Pond 2 averaged 1.9 feet. Two years later surfacing sludge prevented a sludge judge from being performed. Continue reading
