Gerald Kirkbride, wastewater treatment plant supervisor, demonstrates how the new treatment plant at Camp Upshur on Marine Corps Base Quantico’s west side can be operated completely by the touch of a button. The new plant has been online since June 6 and replaces a plant that had been operational for 65 years. - Gerald Kirkbride, wastewater treatment plant supervisor, demonstrates how the new treatment plant at Camp Upshur on Marine Corps Base Quantico’s west side can be operated completely by the touch of a button. The new plant has been online since June 6 and replaces a plant that had been operational for 65 years.