Water Quality Probe

The USDA Agricultural Research Service (ARS) seeks a Contractor to provide a field-rugged, portable optical multi-parameter water probe (Solicitation Number 12305B25Q0849). This is a 100% small business set-aside (NAICS 334516, size standard 1,000) with an LPTA evaluation. The probe must measure nitrate (up to 50 ppm), organic carbon, turbidity, temperature, and light transmittance (200-720 nm), with wireless communication, onboard data logging (up to 6 months), and compatibility with existing Spectrolyser_V3 sensors. Offers, submitted by email to Elizabeth Wilson (Elizabeth.Wilson2@usda.gov) by 9/22/2025 at 9:00 AM PST, must include a firm fixed-price quotation, SAM.gov UEI, place of manufacture, and documentation demonstrating technical capability. Failure to submit all required items will result in quote rejection. The Government intends to award without discussions but reserves the right to conduct discussions if deemed necessary. Questions are due by 9/15/2025 at 2:00 PM PST.

Notice ID

4c8092ca5d434c1081d197d77a69f486

Solicitation Number

1232SA25Q0849

NAICS Code

334516

Classification Code

6640