NPDES Water Quality Analyses

The U.S. Army Corps of Engineers, Walla Walla District, is soliciting proposals for National Pollution Discharge Elimination System (NPDES) Water Quality Analyses laboratory services to support compliance monitoring at six operating projects (locks and dams) in the Pacific Northwest. The contractor will provide comprehensive water quality testing services, analyzing approximately 719 samples quarterly for parameters including oil and grease, total suspended solids, chemical oxygen demand, mercury, and methylmercury across facilities in Washington, Oregon, and Idaho. Key requirements include accreditation by the National Environmental Laboratory Accreditation Programs (NELAP), use of approved analytical methods, and delivery of complete analytical results electronically within 10 business days of sample receipt. The contract will be awarded to the responsible offeror representing the best value based on evaluation factors, with proposals due by January 8, 2026, at 2:00 PM local time. Interested parties must be registered in the System for Award Management (SAM) and submit inquiries through ProjNet's Bidder Inquiry system; standard business hours for the district are Monday through Friday from 8:00 a.m. to 4:00 p.m., excluding federal holidays.

This solicitation is set aside as a 100% total small business opportunity specifically designated for women-owned small businesses (WOSB) with a size standard of $19,000,000 under NAICS code 541380 (Testing Laboratories and Services). The base contract period runs from February 1, 2026, through January 31, 2027, with four optional one-year renewal periods extending through January 31, 2031, establishing a potential five-year contract duration. The contract is structured as firm fixed price with multiple line items for different testing services at each dam location, with specific quantities and testing frequencies established for various analytical parameters. All laboratory work will be performed at a facility located in the Continental United States, with the contractor responsible for coordinating sample pickup, shipping, and providing comprehensive reporting including Level II QC data packages. The place of performance is Walla Walla, WA 99362, and all proposals must include pricing with administrative and shipping costs included, with quotes remaining valid for 30 calendar days after the due date.