How to bid on septic pumping for Michigan Transportation’s MDOT Grand Region

What Michigan is buying

The State of Michigan is seeking septic tank and vault pumping services at 12 rest areas and 12 roadside parks in MDOT’s Grand Region. The contract term is three years, with two optional one-year renewals.

The RFP lists septic tank maintenance and repair services and cleaning of roadside park areas, including privies. For vendors that provide these services, the opportunity covers multiple types of public sites across the region.

Key dates and the deadline

The RFP was published October 23, 2026. Responses are due November 12, 2026, at 12:30 PM ET.

Plan to submit before the deadline and follow the instructions in the solicitation. The available information does not specify what happens after the deadline.

Who this opportunity suits

This opportunity may suit firms that provide septic tank and vault pumping, septic tank maintenance and repair, or cleaning services for roadside park areas and privies.

The work is in MDOT’s Grand Region of Michigan. Review the solicitation documents to confirm the detailed service requirements and whether your firm can cover the listed sites.

How to find the RFP and respond

Open Michigan SIGMA Vendor Self Service and choose “View Published Solicitations.” You can browse the public solicitation inquiry without an account. Search for RFP-591-270000000140-1 and open the matching result to see the posting and attachment list.

Register a free vendor account to download documents or submit a response. Follow the solicitation’s instructions and submit before November 12, 2026, at 12:30 PM ET. Eight documents are posted with the solicitation.

Prepare a clear, competitive response

Read all posted documents and check the submission instructions, required forms, service details, and evaluation criteria. Use the solicitation’s terminology and answer each requested item directly.

For a service covering 24 sites, make your response easy to review: explain how your firm would plan and manage the requested work, and check that your pricing and any supporting information are complete and consistent.

Allow time to register, access the documents, and submit your response. Verify that the portal shows your submission was received before the deadline.