Water Main Flushing

3/28/24:  Water mains will be flushed from April 14^th to May 3^rd, 2024.  Flushing will be performed at night during the first week from 9:00 p.m. to 7:00 am, and during the day for weeks 2 & 3 from 7:30 a.m. to 2:30 p.m. 

Commencing the week of April 14th, we will flush during the night for one week in the following areas: Epping Road, Main Street, Water Street, Columbus Avenue, Front Street,  Jady Hill Avenue area with adjoining Streets, Portsmouth Avenue, and the adjoining neighborhoods north of the Water Treatment Plant to clean the larger water mains that supply water to the new Epping Road Tower. Commencing the week of April 22, 2024, we will flush during the day to flush the entire distribution system. Flushing will continue with all roads west of the Squamscott/Exeter River, including Front St., Court St., Water St., Main St., Epping Rd., and adjoining neighborhoods, then to all roads east of the Squamscott/Exeter River, including High St, Hampton Rd, Hampton Falls, Portsmouth Ave, and adjoining neighborhoods. While flushing, the whole distribution system may be disturbed.

Why flush the water distribution system?

Flushing is required as a form of routine maintenance of the water distribution system in order to flush out sediment within the water mains and their valves.  Flushing also removes biofilms, which occur naturally in water mains.  Flushing will help to reduce Total Tri-Halomethanes in the distribution system and help to maintain water quality.  The current disinfectant, chloramines, is used to protect the water in the distribution system, and becomes less effective as water collects and becomes older.  A new flushing program has been designed to achieve proper internal “pipe scouring” velocities for better water main cleaning.  Discoloration of the water can and may occur.  Laundry should not be done during times of discoloration, as clothes may become stained.  Residents may also experience low water pressure or no pressure for short periods of time.  It is recommended not to use hot water if you are experiencing low water pressure or have discolored water.  This will allow you to avoid burning out heating elements or filling a hot water heater with rusty water.

More information

The Exeter Water and Sewer Department regrets any inconvenience this may cause and appreciates your cooperation. For concerns please call:
Surface Water Treatment Plant (603) 773–6169
Water Sewer Manager (603) 773-6157