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The original item was published from 11/16/2021 3:08:00 PM to 11/17/2021 7:01:36 PM.

News Flash

Water and Sewer Division

Posted on: November 16, 2021

[ARCHIVED] Important Update from the Water & Sewer Div - Unidirectional Flushing Overnight on 11/17 & 11/18

Hydrant Flushing Photo

November 16, 2021, 3:00PM Update: Contractor, Hydra Tech, has finished for the day and were able to complete unidirectionally flushing of Zone 9 today. Flushing of Zone 11 will resume overnight on Wednesday, November 17th and Thursday, November 18th. Work hours will be from 9:00PM to 5:00AM both nights. Please follow the link below for a map of the flushing areas.

Flushing and valve cleaning and exercising will continue for the next few months, weather permitting, and will also include Zone 12, which is the last remaining area to complete the entire town. Since the fall of 2019, unidirectional flushing has been completed in Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. Please follow the link below for a map of the flushing zones.

Unidirectional flushing will begin around 9:00PM on Wednesday, November 17th and will start on the first sequence in the list below and will progress in order. It is difficult to estimate how the work will progress each day so this may be optimistic but is provided to better inform everyone in the area that may be flushed. Flushing is expected to be finished around 5:00AM. and daily updates will be provided.

Tentative flushing schedule for Wednesday, November 17th from 8:30PM to 5:00AM and will continue on Thursday night, November 18th, if needed:

  1. Boston Turnpike (Route 9) from the Northborough town line to past South Street
  2. South Street between Boston Turnpike and Hartford Turnpike (Route 20)
  3. Chestnut Street
  4. Hartford Turnpike from South Street to Walnut Street
  5. Walnut Street between Boston Turnpike and Hartford Turnpike
For additional information about this program and other DPW projects please visit   

Due to the flushing, residents in the identified area as well as those in the vicinity of the project may experience brief periods of reduced pressure or discolored water. If you experience discolored water once the flushing is complete, please run the cold water in downstairs bathtub until it clears. 

We apologize in advance for any inconvenience this may cause. If you have any questions please contact the Water and Sewer Division at 508-841-8502 or

Unidirectional Flushing Program Zone Map
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