Dworshak Dam Liquid Fertilizer

The U.S. Army Corps of Engineers Engineering District Walla Walla is soliciting bids for liquid fertilizer services for the Dworshak Project in Idaho. The contract requires a contractor to provide up to 43,000 gallons of liquid 32-0-0 Urea Ammonium Nitrate fertilizer for nutrient supplementation of the Dworshak Reservoir from May through September 2025. Contractors must supply and maintain storage tanks with a 9,000-10,000 gallon capacity and a gas-driven pump system for transferring fertilizer to government mobile tanks. The solicitation requires independent laboratory analysis of fertilizer composition with specific technical requirements for metal concentration testing, particularly for Arsenic (As) measurement. The final proposal submission deadline was extended to March 27, 2025, at 11:00 AM, with an original deadline of March 24, 2025.

The contract is designated as a total small business set-aside within the Nitrogenous Fertilizer Manufacturing (NAICS 325311) category. The place of performance is located in Ahsahka, Idaho 83520, with specific requirements for storage, delivery, and transfer procedures. The anticipated contract value is based on historical deliveries of approximately 40,000 gallons per season, with an optional contract line item (CLIN) for an additional 1,000 gallons that can be exercised before September 30, 2025. Contractors must meet extensive federal procurement regulations, including updated clauses on small business utilization, labor standards, equal opportunity, and various federal procurement guidelines. The contract includes provisions for weekly fertilizer delivery, precise technical specifications for storage and transfer, and comprehensive compliance with federal acquisition regulations.