Abbreviation
PW
680 Peverly Hill Rd, Portsmouth, NH 03801
(603) 427-1530
Monday – Friday 8 AM - 4 PM
(603) 427-1539
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History of Stormwater Management in Portsmouth
A Brief History of Clean Water and Portsmouth
In 1959, the City introduced a Stormwater/Sewage Separation Plan.
Thu
Feb
03
Parking and Traffic Safety Committee meeting
8:00 AMConference Room A City Hall or via Zoom
Wed
Feb
02
Willard Ave Sewer Separation Project Public Meeting
7:00 PMConference Room A City Hall or via Zoom
Tue
Feb
01
Union Street Sewer Separation Project Public Meeting
7:00 PMConference Room A City Hall or via Zoom
95 MECHANIC STREET SEAWALL REPLACEMENT
Union Street Sewer Separation
Catch basin cleaning will take place on Thursday, November 6, 2025, which requires NO PARKING on the catch basins. Orange cones will mark the areas that should be kept clear of parked vehicles or other obstructions.