This is a Sources Sought Notice for information-gathering purposes only, not a solicitation for proposals or contracts. The potential Multiple Award Task Order Contract (MATOC) will support plan formation and engineering services for USACE projects primarily in Southern California, Southern Nevada, Southwestern Utah, and Arizona, with secondary support across the broader South Pacific Division. The contract has an estimated ceiling of $5 million and a 5-year ordering period. Services include plan formulation, hydraulic and hydrologic modeling, public involvement, and cost estimation for water resources infrastructure projects. Interested firms must demonstrate relevant past experience with task orders over $250,000 and submit a capability statement.