Press Releases/What’s New

PPL

Houseplant Swap 5/9 @ 2pm

April 20, 2026

Bring in cuttings, plants, plantlets, pups, corms, tubers, and seeds from your own houseplants to trade with other participants and take something new home!

COP

City Mosquito Control Program Monitoring Underway

April 14, 2026

The City of Portsmouth’s Mosquito Control Program began monitoring on April 8, 2026. The City has contracted with Dragon Mosquito Control, Inc. to check swamps, salt marshes, woodland pools, ditches, catch basins and other shallow, stagnant water for mosquito larvae. 

COP

DPW Hosts Household Hazardous Waste Collection Day on May 9, 2026

April 10, 2026

Department of Public Works will hold its semiannual Household Hazardous Waste Collection Day on Saturday, May 9, 2026 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.