Project Information

Bid Title

Emerging Contaminants Treatment/Mitigation Project

Issuing Agency

City of Portsmouth

Location

New Hampshire

Published Date

Aug 11, 2026

Closing Date

Aug 31, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Project ID:

Title: Emerging Contaminants Treatment/Mitigation Project

Addenda: 1

Release Date: 7/23/2026

Due Date: 8/31/2026

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Emerging Contaminants Treatment/Mitigation Project

Last updated by Addendum #1 on Aug 12, 2026 12:22 AM See what changed

Request For Proposal

Procurement

25172700 , 47100000 , 70131605 , 73151700 , 76101600 ... show all

Project ID: 29-26-RFP

Release Date: Thursday, July 23, 2026

· Due Date: Monday, August 31, 2026 2:00pm

Posted Thursday, July 23, 2026 1:50pm

All dates & times in Eastern Time

Draft Response No Bid19 days, 16 hours, 48 minutes

Post Information

Posted At:Thu, Jul 23, 2026 1:50 PM
Sealed Bid Process:Yes (Bids Sealed / Pricing Sealed)
Private Bid:No

Overview

Summary

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 Monday, August 31, 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

Timeline

RFP Issue Date:

July 23, 2026

Question Submission Deadline:

August 5, 2026, 2:00pm

Question Response Deadline:

August 20, 2026, 2:00pm

Proposal Submission Deadline:

August 31, 2026, 2:00pm

Commodity Codes

• NAICS 541620Environmental Consulting Services

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