Water Recovery

Our Sanitary Sewer System

Click here for a description of the City's sanitary sewer system, and information about sanitary sewer overflows (SSOs).

Water Recovery News

 Energy Efficiency Steps Taken

We have implemented innovative techniques to reduce chemical and energy costs associated with returning clean water to the environment. Click here to read about it in the Journal of the New England Water Environment Association 

(Fall 2020, Volume 54, No. 3)

 Plant Upgrades 

In August 2019 significant energy and cost saving improvements were implemented at the Water Pollution Control Plant. 

Please click here to learn more

Understanding Wastewater

Sanitary Sewer Use Rates


A total of $491.40 per unit per year ($122.85 per quarter)

Senior Residential

A total of $163.96 per year for those permanent Westfield residents 65 years of age or older who own and occupy the unit for which the senior residential rate is claimed.


Based on metered water usage, $6.84 per 1,000 gallons (after 17,961 gallons have been metered) subject to a minimum quarterly charge of $122.85.

Wastewater Division Employees

Wastewater Division Photo

  • Front Row (Left to right): Bob Forry, Jim Lewis, Jon Roushia, Ken Gagnon
  • Second Row (Left to right): Mitch Therrien, Jeff Thayer, Jeff Gamelli
  • Third Row (Left to right): Don Hawley, Bob Pluta
  • Top: Chris Hall