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  • Writer's pictureCity of Concord NH

Concord Hydrant Flushing Begins April 4

Concord General Services’ Highway and Utilities Division will begin flushing hydrants throughout Concord starting on Monday, April 4.

For the next several weeks, three crews will be going out to different areas of the city to flush hydrants as part of required routine maintenance. Depending on the flushing location, flushing will typically start anywhere between 4:30 a.m. and 6:30 a.m. and continue through 3:00 p.m. each week day. This annual practice removes any sediment from pipes in the water distribution system and helps to sustain Concord’s water quality and check water pressure of the area.

Concord water customers may experience low water pressure or discolored water when hydrant flushing occurs in their area. If discoloration occurs, customers are advised to run their tap water on cold until the water runs clear. Customers are advised to avoid doing laundry during their scheduled flushing times.

Flushing will continue for several weeks in different areas of the city.

Weekly Flushing Schedules:

Please note that these schedules are subject to change. Confirm there weren’t any scheduling changes by visiting the City’s website at

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