Skip to main content
  • City of PORTSMOUTH NH
  • Department of Public Works
A A A
Department of Public Works
  • Operations Back Copy Created with Sketch.
    • Engineering
    • Geographic Information Systems
    • Parks & Greenery
    • ParkPortsmouth
    • Recycling Center & Solid Waste
    • Roads & Sidewalks
    • Stormwater
    • Transportation
    • Wastewater & Sewer
    • Water
  • Services Back Copy Created with Sketch.
    • Snowstorm Parking Info
    • Recycling Center
    • Waste Collection Schedule
    • Drinking Water Quality
    • Mosquito Control
    • Household Hazardous Waste Day
  • Resources Back Copy Created with Sketch.
    • Adopt-A-Spot
    • Billing Information
    • Catch Basins & Fire Hydrants
    • Permits & Applications
    • Portsmouth Click N' Fix
    • Post-Closure Landfill Monitoring
    • Water & Sewer Assistance Program
    • Snow Related Impacts & Notifications (CodeRED)
    • Water Efficiency Rebate Program
  • Projects Back Copy Created with Sketch.
    • Citywide Map
    • Bartlett Street
    • Capital Improvement Plan
    • Congress Street Project
    • Community Campus
    • Community Policing Facility
    • Edmond-Woodbury
    • Elwyn Park Sidewalks & Traffic Calming
    • Elwyn Road Side Path
    • Fleet Street Sewer Separation
    • Hampshire & Essex
    • Hanover Garage
    • Islington Creek
    • Lafayette Park
    • Mechanic St. Pump Station
    • Middle/Miller/Summer St
    • Pease Water
    • Pease WWTF
    • Peirce Island WWTF
    • Peirce Island Road Resiliency
    • Peirce Island Outdoor Pool
    • Peverly Hill Road
    • Rail Trail
    • Rte 1 Bypass-Coakley Intersection/Cate St. Bridge
    • Sidewalks
    • Sound Barriers
    • South Mill Pond Playground
    • Vaughan Mall
    • Woodbury Ave.
    • Other Projects
  • MapGeo
  • Contact
  • Developments
  • City of Portsmouth
  • Public Works Home
  • Fleet Street Sewer Separation

Fleet Street Sewer Separation

Fleet Street Project Phases

The sewer separation project on Fleet Street is required through the City's Long Term Control Plan and Supplemental Compliance Plan. The project includes water, sewer, drainage upgrades along with full streetscape rework and other pedestrian enhancements. Funding for this work will come from the Water and Sewer Enterprise Funds and the General Fund. 

Given the scope of this project, it is being completed in phases (please note the sequence in the drawing is not accurate, although the scope/layout is correct): Phase 1, infrastructure work in the Vaughan Mall and upper Congress Street area that began September 1, 2025; to be followed by Vaughan Mall design improvements; Phase 2, a new drain line from Maplewood Avenue to the outfall at North Mill Pond and Phase 3, Fleet Street from Hanover Street to Court Street. Work on the upper Congress Street portion of Phase 1 starts January 5, 2026. 

The City Council authorized bonding for this project at their August 4, 2025 meeting.

Phase 1: A public input meeting on Vaughan Mall design was held on July 7, 2025. For details, go to the Vaughan Mall Project page. A project pre-construction meeting was held August 20, 2025. For more information go to the meeting presentation and the Zoom recording.

Phase 2: Wetland permitting is in process for work on the outfall at North Mill Pond from a new Maplewood Avenue stormwater drain pipe.

Phase 3: Fleet Street Redesign

 

 

  • City of PORTSMOUTH Home >
blue public works seal

Department of Public Works

Home Office
680 Peverly Hill Rd, Portsmouth, NH 03801
Hours

Monday – Friday 7:30 AM - 3:30 PM

Phone
(603) 427-1530
Fax
(603) 427-1539

Resources

  • Drinking Water
  • Forms & Permits
  • Click N' Fix
  • Contact
blue public works seal

© 2025 - City of Portsmouth. All Rights Reserved. | Terms of Use | Disclaimer