DPW Press Releases

In September 2023, the City of Portsmouth was notified that it had received $965,333 in Congressionally Directed Spending from the Federal Pre-Disaster Mitigation Grant Program through the NH Department of Homeland Security and Emergency Management for the Peirce Island Road Resiliency Project. Work on the project is scheduled to start the wee

The City of Portsmouth’s Mosquito Control Program begins monitoring on April 8, 2024. 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.

Seasonal construction projects throughout the City are scheduled to resume on April 9, 2024 and the Department of Public Works is hosting public pre- construction meetings for each project.

Recorded meetings and presentations are available on the City’s website for the following:

The City of Portsmouth Department of Public Works Water Division begins its seasonal routine flushing of fire hydrants and water mains on Monday, April 1, 2024. The flushing will take place at various locations, Monday through Thursday, between 7 am and 11 pm, and is expected to take six weeks to complete.

The Portsmouth Department of Public Works will hold its biannual meeting on Household Hazardous Waste Collection Day on Saturday, April 13, 2024, 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.

Household hazardous waste collections help residents safely dispose of items that can harm their health, the environment and drinking water supplies.

Islington Street Corridor Reconstruction Project Resumes in April with Public Meeting on March 19, 2024

In November 2023, the United States Environmental Protection Agency (EPA) issued a Lead and Copper Rule Improvement requirement that all water suppliers complete an inventory of the material in all water service lines – the pipes that deliver drinking water from the public water mains into abutting properties. The City of Portsmouth Water Division will visually inspect water service lines where they enter residential and commercial buildings to determine the material type.

Visit the City of Portsmouth Drinking Water Status Report Year in Review 2023

With forecasts predicting more winter-like weather in the coming days and weeks, the Portsmouth Department of Public Works is urging residents to be mindful of issued parking ban announcements and take proper safety measures.

Portsmouth & Pease Drinking Water Status Report Q3 2023