Beginning this week and for the remainder of the month, the city will flush fire hydrants on Monday, Tuesday, and Thursday nights, from 7 to 11. The hydrant flushing will occur in north Beverly and in the area of Dodges Row, Budleigh, and Brimbal avenues. If water discoloration occurs during the flushing, residents are advised to let the cold water run for a minute or two. For more information, call the Water Department at 978-921-6057.