Wastewater Treatment Plant No. 2, City of Coos Bay news release. The City of Coos Bay will be installing a new sewer outfall pipe from the newly constructed Wastewater Treatment Plant No. 2. For safety reasons, public access to Fulton Avenue west of S. Empire Boulevard will be closed. Due to safety concerns, there will be a complete closure of public access for one-week February 13-21, 2018. If you have any questions please contact Jan Kerbo at 541-269-1181 ext. 2206.