Current Topics


Portsmouth Water Division offers update on PFAS regulations

January 3, 2019

On December 31, 2018, the New Hampshire Department of Environmental Services (NHDES) initiated rulemaking to establish Maximum Contaminate Levels (MCLs) and Ambient Groundwater Quality Standards (AGQS) for four per- and polyfluoroalkyl substances (PFAS) - perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), perfluorononanoic acid (PFNA) and perfluorohexanesulfonic acid (PFHxS) to ensure greater protection of public health related to the consumption of drinking water.


Residents advised to be vigilant during mosquito season

August 30, 2018

Mosquitoes carrying West Nile virus have been found in parts of New Hampshire, and a recent batch in Kittery, Maine also tested positive. This is not unusual this time of year as the diseases mosquitoes carry have had more time to spread environmentally. Although Portsmouth has a mosquito control program that includes spraying to reduce mosquito populations, the most effective prevention of illness is personal protection. 


Mosquito control operations begin in Portsmouth

July 2, 2018

The Mosquito Control program begins July 2, 2018 in the City of Portsmouth. Crews from Dragon Mosquito Control will be checking swamps, salt marshes, woodland pools, ditches, catch basins and other shallow, stagnant water for mosquito larvae. When mosquitoes are found, the following larvicides may be used:


Holiday Food Safety 2017

November 16, 2017

As we move into the Holiday season, the Health Department would like to remind you that food borne bacteria don’t take holidays, so be mindful of food safety as you prepare your Holiday feasts.