The City of Clarkesville operates a 0.75 million gallon per day (MGD) Waste Water Treatment Plant. Construction was completed in 1966, ending the use of the original Imhoff Tank Treatment Process, a structure built around 1951 which still stands on the prop-erty today. The 1966 construction includes a Preliminary treatment process of grit and sand removal as well as the removal of large debris by the useof barscreens. Primary treatment is a tank large enough to slow the flow of water to allow heavy particles to settle.
The water is then sent to a biological treatment where beneficial bacteria break down, and consume as food, pollutants in the water. A 60 foot diameter Trickling Filter was used for this process until 1997 when a 290,000 gallon Activated Sludge system was added. The Trickling Filter is still used as a biological pre-treatment for the Activated Sludge Process. The treated water is then sent to final clarifier where the particulates are settled leaving clean water. The clean water then goes to a disinfection process to insure it is safe to be discharged to the So-que River. The 1997 improvements also included a Belt Filter Press to replace 3 Sludge Drying Beds, a new and larger Chlorine Contact Basin and a conversion of the Sludge Digester from Anaerobic to Aerobic eliminating the dangers of methane production.
In 2010 further upgrades included a Grit Cyclone and Classifier to replace a pair of gravity grit channels,larger capacity influent pumps and a new and larger Laboratory with office space. Two operators are needed to run the plant and maintain the equipment and grounds. The City of Clarkesville has a total of 3 Class 1 Licensed Waste Water Operators all with Laboratory Analyst Licenses.
We apologize for any inconveniece this may cause as we work to include this feature into our new site. Please check back in February.