Water/Wastewater Utilities

Services and Responsibilities

  • Maintain and operate water system including the water treatment plant and water tanks
  • Maintain and operate sewer pump stations and wastewater treatment plant
  • Implement and maintain Sewer ordinance, Facility Plan and sewer billing program
  • Review sewer development proposals, write permits, and inspect sewer construction
  • Manage the industrial pretreatment program

Effective July 1st, 2017 the water rate is $4.40 per unit and sewer is $6.05 per unit. If you should have any questions, please contact Karla Baxter, Water Clerk at waterclerk@somersworth.com.

Water Clerk
City of Somersworth
One Government Way
Somersworth, New Hampshire 03878
603-692-9523
603-692-9576 (fax)

Water Treatment Plant
9 Wells Street
Somersworth NH  03878
603-692-2268

Wastewater Treatment Plant
99 Buffumsville Rd.
Somersworth NH  03878
603-692-2418


Water Quality Report 2016

Water Quality Report 2015

Water Quality Report 2014

Water Quality Report 2013

E-Z_Pay_Plan_Form(1)

E-Z_Pay_Plan_Brochure

Notice to All Owners of Rental Property in City of Somersworth

Water Treatment Facility Information

Frequently Asked Questions and Understanding Your Water Bill

Somersworth Water Conservation Flyer 2009

Help Us Keep Storm Water Clean