The Department of the Interior, specifically the Bureau of Reclamation's Grand Coulee Power Office, is soliciting proposals for the NPDES Oil & Grease Analysis under an Indefinite Delivery, Indefinite Quantity (IDIQ) contract. This procurement aims to secure water quality analysis services, with an estimated annual requirement of 1,768 samples, and emphasizes compliance with various local, state, and federal regulations. The contract is structured to last up to five years, from March 10, 2025, to March 9, 2030, and is set aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSB). Interested parties should submit their quotes to the primary contact, Jeri Wahl, at JWahl@usbr.gov, ensuring all submissions meet the outlined requirements to avoid rejection.