Pre-Solicitation Notice Solicitation Number: 140R3026R0012 This is a Pre-Solicitation Notice with the intent to synopsis a proposed contract action prior to issuance of the solicitation. Specific instructions on submitting your proposal will be contained in the solicitation documents to be issued on or about July 20, 2026, posted to SAM.gov website. No documents will be available until the solicitation is issued. The U.S. Department of the Interior (DOI), Bureau of Reclamation (Reclamation), Lower Colorado Basin, Yuma Area Office has a requirement for a five (5) year Indefinite-Delivery/Indefinite Quantity (IDIQ) contract type for Operation and Maintenance (O&M) support services for the Yuma Desalting Plant (YDP) and Water Quality Improvement Center (WQIC). The Contractor shall furnish day to day plant operations and maintenance for the Yuma Desalting Plant on a 24-hour basis. The ready reserve status ensures that the plant receives the required planned maintenance needed to maintain the plant in the event the plant converts to a fully operational mode. The acquisition plan does not forecast an immediate need for full operational capacity of the plant during this contract period, but there is the option for a level of effort that will allow a short-term demonstration run for various percentages of capacity, e.g. 33%, 66% and 100%. The services will take place in Yuma, Yuma County, Arizona. The North American Industry Classification System (NAICS) code associated with this requirement is 561210 ¿ Facilities Support Services. The small business size standard applicable to this project is $47.0 million. The Indefinite Delivery/Indefinite Quantity (IDIQ) contract capacity is $29,990,000.00. The projected IDIQ ceiling amount is $29,990,000.00, representing the maximum cumulative value of all task orders issued under this contract. The requirement will be issued 100% Competitive 8a Set-Aside. The solicitation will be awarded using the methods outlined in the FAR RFO Part 12 Acquisition of Commercial Products and Commercial Services and FAR Part RFO Part 15 Contracting by Negotiations. A site visit is tentatively scheduled for the last week in July 2026; however, please refer to the solicitation for official details when posted. An electronic copy of the solicitation will be issued no sooner than fifteen (15) days from the day after this notice at www.sam.gov, however, dates in this notice are subject to change. Any amendments applicable to the solicitation will be posted at the same site. To take advantage of business opportunities with the Bureau of Reclamation (BOR) and the Department of the Interior (DOI) you must register your entity must be registered in SAM.gov. For more information regarding registering in SAM, please visit https://sam.gov/content/entity-registration. This notice is not a request for proposals. No proposals will be accepted at this time. All instructions, the Performance Work Statement, and additional attachments will be include…