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WA
680 Peverly Hill Rd, Portsmouth, NH 03801
(603) 427-1530

Mon – Fri 7:30 AM – 3:30 PM

(603) 427-1539
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Citywide Service Line Material Identification

Service Line Inventory - Identifying Unknowns with "Potholing"

The U.S. Environmental Protection Agency (EPA) Revised Lead and Copper Rule (LCRR) requires all public water suppliers to inventory the type of material used in every water service line connected to their water system. The City of Portsmouth submitted its initial inventory of service line materials in October 2024 and has since continued to identify materials that were unknown at that time.

Portsmouth & Pease Drinking Water Supply Update 2025 Q2

The City of Portsmouth, NH, water supply sources have recovered from the drought conditions that began in late summer 2024. The Bellamy Reservoir surface water source has rebounded from the significantly low levels recorded in September and October, aided by late winter snowmelt and spring precipitation. Groundwater levels, which were below average during the first quarter of 2025, have also returned to near-normal levels for this time of year. According to the U.S.

What to do if you have Discolored Water

Discolored water results when water traveling through the water mains reaches high enough velocities to stir the sediment lying in the bottom of the water mains. Water main breaks, fire fighting activities, and extremely high system demand are typical causes of discolored water. There are no health risks associated with this type of problem, as the particulate matter causing the discoloration is not harmful.

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