PORTSMOUTH — The Portsmouth Water and Fire District will be flushing water mains from 8 p.m. to 6 a.m. per the following schedule:

• Monday, Oct. 3: East Main Road and Middle Road from Crossings Court to Hedly Street; Hedly Street and all side streets, including Industrial Park; Corys Lane and all side streets; Kings Grant and all side streets; West Main Road from Hedly Street to Union Street, including Father Flanagan’s and John Street

• Tuesday, Oct. 4: Middle Road and all side streets to the west, Mill Lane and all side streets, West Passage Drive to Locust Avenue, Stonegate Drive, Greylock Drive and Greystone Terrace area

• Wednesday, Oct. 5: East Main Road to Middle Road, from Town Hall to Union Street

• Thursday, Oct. 6: East Main Road from Sherwood Terrace Vanderbilt Lane, east to the Sakonnet River, Union Street, Jepson Lane and all side streets

• Tuesday, Oct. 11: East Main Road from Lawrence Farms to Sherwood Terrace; Vanderbilt Lane to Sandy Point Avenue and all side streets

• Wednesday, Oct. 12: East Main Road from Union Street to Mitchell Lane and side streets, Oakland Farms, Bramans Lane east to Meadow Lark Lane; Sandy Point Avenue and Sandy Point Farms

• Thursday, Oct. 13: Wapping Road to Old Mill Lane; Bramans Lane and side streets; Old Mill Lane, Indian Avenue and side streets

Discoloration of the water is expected during and after the flushing. Flushing in one area may create discolored water in other areas. Customers are advised to avoid washing clothes and those with hot water tanks are advised to avoid drawing hot water during the flushing hours and until any discoloration has cleared.

The water is expected to clear by midday after the flushing. Customers may also experience low water pressure during the flushing. This schedule is subject to weather conditions or other unforeseen circumstances.