Flushing Schedule, Nov. 14 News release Coos Bay-North Bend Water Board. During the week beginning November 13, 2017 the Coos Bay-North Bend Water Board crews will begin routine maintenance flushing of water lines within its distribution system in Coos Bay. Flushing of water lines will be from Ocean Boulevard east to South Broadway and Birch Avenue south to Lockhart Avenue. Flushing will begin in the morning each day about 7:30 a.m. and end at approximately 3:30 p.m., Monday through Friday. In some locations flushing may begin earlier in the morning and end earlier in the afternoon. Customers within the affected areas may experience periods of reduced pressure and may notice a discoloration of the water during these flushing periods. Customers should avoid doing laundry if their water appears discolored. If the discoloration does not clear up promptly, please notify the Water Board at (541) 267-3128.