Wastewater Facility Information
- Peirce Island Wastewater Treatment Facility (WWTF) Upgrade Project Webpage is now available
- City of Portsmouth awards Peirce Island Wastewater Facility upgrade project to Methuen Construction
On March 14th, the City Council voted to authorize the bonding of $75 million in project costs to upgrade the Peirce Island Wastewater Treatment Facility (WWTF).
On April 11th, a City Council Work Session was held to review the construction impacts and traffic mitigation related to the Peirce Island WWTF upgrade.
On April 20th, the New Hampshire Executive Council voted to authorize an Water State Revolving Fund ("SRF") loan agreement with the City to help finance this project. The State's authorization for an up to $75,000,000 loan will help lessen rate impacts for this federally-mandated upgrade to the facility.
On July 11th, City staff presented the project bid results to the City Council. A public hearing will be held on Monday, August 1st to consider a proposal to use barging during construction in order to reduce traffic.
For a list of Frequently Asked Questions and Answers, please visit the FAQ page.