Multi-Parameter Water Quality Sonde IAW Salients

The U.S. Geological Survey Utah Water Science Center is seeking to procure six units of multi-parameter water quality sondes through Request for Quote (RFQ) 140G0126Q0048. The specific requirement is for YSI 577503-00 EXO3s Sonde instruments with five sensor ports, external 12 VDC power configuration, and no internal batteries or depth sensors at time of purchase. Key technical requirements include support for SDI-12 and RS-485 communications protocols with Bluetooth capability, internal data logging capacity of at least 1,000,000 readings, a minimum sample rate of 4 Hz, operability across -5 to 50 degrees Celsius, and maximum dimensions of 3.0 inches in diameter and 17 inches in length. The solicitation specifies that quotes must be submitted by February 11, 2026 at 11:00 AM Eastern Standard Time, with questions due to Cynthia Nicanor at cnicanor@usgs.gov by February 10, 2026 at 11:00 AM Eastern Standard Time. All quotes must demonstrate compliance with salient characteristics through complete product specifications and descriptive literature, and all offerors must be registered in the System for Award Management (SAM).

This acquisition is designated as a total small business set-aside under NAICS code 334516 (Analytical Laboratory Instrument Manufacturing) with a size standard of 1,000 employees, with an anticipated award date of February 28, 2026. The contractor must deliver the sondes to the USGS Utah Water Science Center in West Valley City, Utah within 30 days from the date the purchase order is received. Deliverables include the six sonde units configured with compatible sensors for temperature, conductivity, pH, dissolved oxygen, turbidity, and multiple advanced parameters, along with compatible software for live and recorded data viewing, sensor calibration, and graphical data analysis, plus sensor guards, calibration and storage cups, maintenance kits, and tool kits. Payment will be made electronically through the Department of Treasury's Invoice Processing Platform (IPP), and contractors must comply with Buy American provisions, federal equal opportunity standards, and supply chain security prohibitions. Invoices must be submitted within 90 days of the performance period expiration.