Emerging Contaminants Treatment/Mitigation Project

The City of Portsmouth, acting on behalf of The Coakley Landfill Group (CLG) is seeking proposals from qualified consultants to provide preliminary design and piloting of a PFAS treatment/mitigation process for groundwater and surface water for the Coakley Landfill Superfund Site (Site). Proposals for the Emerging Contaminants Treatment/Mitigation Project are to be submitted via the City's e-Procurement Portal via https://procurement.opengov.com/portal/cityofportsmouth. Proposals will be accepted until 2:00 pm on Thursday, August 20, 2026.

Engineering firms that are not currently prequalified may apply through the NHDES online application process. The prequalification review is generally completed within approximately two weeks, provided that a complete application is submitted.

Additional information and application materials are available at:

Wastewater Infrastructure Projects | NH Department of Environmental Services

NH Online Forms System - NHDES Roster of Prequalified Licensed Engineering Firms Application - New and Renewal. Version 2.7

Project Details

• Reference ID: 29-26-RFP
• Department: Procurement
• Department Head: Nathan Lunney (Deputy City Manager)

Important Dates

• Questions Due: 2026-08-05T18:00:00.000Z
• Answers Posted By: 2026-08-11T18:00:00.000Z

Evaluation Criteria

• Qualifications and experience of firm (35 pts)
• Previous related work (35 pts)
• Price Proposal (20 pts)
• Responsiveness to submission requirements (10 pts)

Submission Requirements

• What is the contact information of the authorized representative? (required) —

  Please include the name, title, phone and email of the authorized representative submitting this proposal

• Please upload your Proposal here (required)
• Do you have any additional information you would like to upload with your proposal? (required) —

  Firms are encouraged to include one sample work product from a similar engagement

• Please upload any additional information here (required)
• Solicitation purpose? (required) —

  Format: The City of Portsmouth is seeking an experienced and qualified firm or team of firms to ___________.

  Example: implement procurement software

• Will this project utilize the Electronic Pricing Table or have Vendors upload pricing? (required) —

  Select electronic pricing table if you want to use the auto-tabulation feature. If pricing is unknown, select vendor to upload pricing

• Will the resulting contract have any options for extensions? (required) —

  Select yes if there are renewal options

• Funding Sources? (required) —

  Select Other to indicate any special funding sources in the solicitation

• Will a sample contract/form be provided with the RFP package? (required) —

  Select yes to show Sample Agreement in the attachments. Select no to show Contract Standard Terms and Conditions in the document.