USGS Water Quality Instruments

The U.S. Geological Survey (USGS) is soliciting quotations for two water quality measurement instruments: one water quality sonde equal to or better than the YSI EXO3 model and one multiparameter water quality meter equal to or better than the YSI ProDSS model. The sonde must include sensors for conductivity, temperature, pH/ORP, optical dissolved oxygen, and turbidity, with automated wipers, smart sensors allowing interchange without recalibration, and 90-day autonomous data recording capability. The multiparameter meter must feature the same sensor types, a single cable design with lengths up to 100 meters, 4-port replaceable sensors, and memory capacity exceeding 100,000 data points with KorDSS software and Bluetooth/USB connectivity. Awards will be made using lowest price technically acceptable (LPTA) criteria, with evaluation factors including technical capability to meet requirements, vendor experience with similar equipment, and past performance with references from the past two years. Questions must be submitted by 1:00 PM EST on Friday, March 13, 2026, and quotation packages are due by 1:00 PM EST on Tuesday, March 17, 2026, via email to Miranda Blankenship at miranda_blankenship@ios.doi.gov.

This solicitation is designated as a small business set-aside, limiting competition to small business entities. The RFQ number is 140G0126Q0064, issued on March 10, 2026, with quotations valid for 45 days after solicitation close. Vendors must submit a technical capabilities statement not exceeding two pages, business size classification, and their SAM Unique Entity Identifier with their quotation. Delivery is required FOB Destination to the USGS Michigan COOP Research Unit at 480 Wilson Road, East Lansing, Michigan 48824, with a delivery date of March 26, 2026. No award value or budget range is disclosed in the solicitation materials, and no incumbent contractor or current contract holder is identified.