DPW Press Releases


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.


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.


City Mosquito Control Program Monitoring Starts April 11, 2022

April 5, 2022

The Mosquito Control Program begins monitoring on April 11, 2022 in the City of Portsmouth. Crews from Dragon Mosquito Control, Inc., the City’s contracted service, will be checking swamps, salt marshes, woodland pools, ditches, catch basins and other shallow, stagnant water for mosquito larvae.

When mosquito larvae are found, treatment may occur using one or more of the following:


Portsmouth DPW Snow Load-out Operations Scheduled for Tues Night February 1

January 31, 2022

City of Portsmouth Department of Public Works crews will conduct snow load out operations to clear street and improve safety following the weekend blizzard. The load-out operations start Tuesday, February 1 at 7:30 pm in Area 1, 9:30 pm in Area 2 and 12:30 am in Area 3. The work is expected to be completed by 8 am on Tuesday, February 2.