Press Releases/What’s New


DPW Hosts Household Hazardous Waste Collection Day on May 21

May 21, 2022

The Portsmouth Department of Public Works will hold its biannual Household Hazardous Waste Collection Day on Saturday, May 21, 2022, at the Public Works facility at 680 Peverly Hill Road. Residents of Portsmouth, Greenland and Newington are encouraged to bring household chemicals for safe disposal between 8 am and 12 noon. Proof of residency is required.


What is the Community Power Coalition of NH?

May 20, 2022

The Community Power Coalition of New Hampshire is a non-profit Joint Powers Agency incorporated on October 1, 2021 — governed “by communities, for communities” — empowering towns, cities and counties across New Hampshire to:​


Portsmouth DPW Contractor Set to Begin Sagamore Avenue Sewer Extension Project on May 16, 2022

May 12, 2022

The City of Portsmouth Department of Public Works expects contractor Severino Construction to start work affecting City streets in the Sagamore Avenue Sewer Extension Project area on Monday, May 16, 2022. This project will be ongoing through December 2022. Construction will impact parts of Sagamore Avenue, Shaw Road, Cliff Road and Walker Bungalow Road, with excavation work starting on Sagamore Avenue and continuing onto the other streets as work advances.