The Bureau of Reclamation, Upper Colorado Basin, is conducting market research to identify qualified small businesses capable of fulfilling the Middle Rio Grande (MRG) Riprap Stockpile Supply requirement. This Sources Sought Notice is issued solely for information-gathering and planning purposes and is not a solicitation for quotes or proposals. The requirement consists of furnishing, hauling, and stockpiling various sizes of riprap at designated locations to support river‑maintenance activities and emergency protection of riverside structures. Full details—including project objectives, scope, technical specifications, and stockpile site information—are provided in the attached Statement of Work (Draft SOW - MRG Riprap Stockpile 2026). Additional submission requirements, instructions, and notice language are included in the attached Sources Sought Notice (Sources Sought Notice Riprap FINAL). Interested parties are encouraged to review all attachments in full before submitting capability information by the deadline: July 8, 2026, at 10:00 AM PST.