Bid guide
How to bid on Custom Reactivated Granular Activated Carbon (GAC) Services for Cobb County-Marietta Water Authority
What the agency is buying
The Cobb County-Marietta Water Authority is looking for services related to granular activated carbon (GAC). This includes collecting spent GAC, reactivating and blending it at NSF 61-certified facilities, and testing the quality of the blend. The contractor will also be responsible for transporting the reactivated GAC to the Authority’s water treatment facility in Acworth, Georgia, loading it into the contractors, and providing all necessary documentation.
Key dates and what happens at the deadline
This opportunity was published on September 11, 2026. The deadline for responses is October 01, 2026, at 2:00 PM ET. All submissions must be received by this time. Late submissions may not be considered.
Who this opportunity suits
This solicitation is suitable for firms with expertise in water treatment processes, specifically those involved in the handling, reactivation, and transportation of granular activated carbon. Vendors should have access to NSF 61-certified facilities for GAC reactivation and blending. The relevant category for this work is transportation, given the logistics involved.
The work requires transferring spent GAC, reactivating it using NSF 61 certified facilities, blending it with re-agglomerated bituminous-based coal GAC, and testing the quality. The reactivated GAC then needs to be transported to the water treatment facility in Acworth, GA, and loaded into the contractors, with full documentation provided.
How to respond
To access the full bid documents and response instructions, you need to go to Georgia’s Procurement Registry (GPR). The event number is PE-66365-NONST-2027-000000034. Viewing the posting and its document list is public and does not require an account.
Once on the GPR, locate the specific event. Some Georgia events direct documents and responses to an external “Event Link” (Team Georgia Marketplace). If not, you will submit your response as directed on the posting itself, ensuring it is done before the stated deadline.
Practical tips for a competitive response
When preparing your response, clearly demonstrate your firm's experience with GAC reactivation and blending, especially in facilities that are NSF 61-certified. Highlight your logistical capabilities for transporting materials to and from the Acworth, Georgia location. Provide detailed information on your quality control processes for the reactivated GAC.
Ensure all required documentation is complete and accurately reflects your proposed services. Pay close attention to any specific requirements for blending with re-agglomerated bituminous-based coal GAC. A thorough and well-organized submission that directly addresses all aspects of the scope of work will be key.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from Cobb County-Marietta Water Authority; the original posting controls.

