This Sources Sought Notice is for market research to identify small businesses capable of providing materials for levee maintenance and repair across five Washington State river basins: Nooksack, Skagit, Snoqualmie, Cedar, and Green. All work must be completed by 1 October 2026, before the next fall flood season. The anticipated NAICS code is 212319, with a small business size standard of 550 employees. Commonly procured materials include riprap, embankment material, top course stones, spall rock, topsoil, mulch, clay, quarry spalls, crushed stone, recycled asphalt concrete, and jersey barrier. No solicitation is available, and no award will be made from this notice.