Water Operations

Water News

WA

DPW Releases Q1 2026 Drinking Water Supply Updates for the Portsmouth and Pease Tradeport Water Systems

April 28, 2026

The City of Portsmouth’s water supply sources have continued to perform reliably despit...

WA

DPW Releases 2025 Drinking Water Supply Report for Portsmouth and Pease Tradeport

January 26, 2026

The City of Portsmouth's 2025 Water Supply Status Report is now available. This report provides a comprehensiv...

COP

DPW to Conduct Routine Spring Hydrant Flushing Starting April 6, 2026

March 30, 2026

The City of Portsmouth Department of Public Works Water Division begins its seasonal flushing of fire hydrants...

COP

DPW Resumes Water Service Line Inventory "Potholing" in Maple Haven Neighborhood

April 2, 2026

The U.S. Environmental Protection Agency (EPA) Revised Lead and Copper Rule (LCRR) requires all public water s...

The Water Division

The Water Division performs the following functions for the communities served by the Portsmouth regional water system that include Portsmouth, Pease Tradeport, Newington, New Castle, Greenland and portions of Rye and Madbury:

Maintains water mains, hydrants and valves
Maintains water services to the customer's shutoff valves (the customer is responsible for the private portion of their service beyond the shutoff valve)
Maintains/installs/reads water meters
Performs backflow testing and cross connection control program
Manages the Bellamy Reservoir and Madbury Surface Water Treatment Facility together with eight groundwater wells