66--Tracer Discharge Measurement System IAW Salients FY25 REQ# 15783 SPECIAL ORDER # S26026

SOL #: 140G0126Q0110Award Notice

Overview

Buyer

Interior
Us Geological Survey
OFC OF ACQUSITION GRANTS-NATIONAL
RESTON, VA, 20192, United States

Place of Performance

Place of performance not available

NAICS

Other Measuring and Controlling Device Manufacturing (334519)

PSC

Combination And Miscellaneous Instruments (6695)

Set Aside

Total Small Business Set-Aside (FAR 19.5) (SBA)

Timeline

1
Posted
Apr 13, 2026
2
Last Updated
May 1, 2026

Qualification Details

Fit reasons
  • NAICS alignment with historical contract wins in similar service areas.
  • Scope strongly matches core technical capabilities and delivery model.
Risks
  • Past performance thresholds may require one additional teaming partner.
  • Potential clarification needed on staffing minimums before bid/no-bid.
Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

The U.S. Geological Survey (USGS), under the Department of the Interior, announced the procurement of a Tracer Discharge Measurement System for measuring low conductivity places. This acquisition was a Total Small Business Set-Aside. The solicitation for this system, identified by REQ# 15783 and SPECIAL ORDER # S26026, closed on April 16, 2026, with the overall opportunity published as an Award Notice on May 1, 2026.

Scope of Work

The procurement sought a comprehensive Tracer Discharge Measurement System, including conductivity probes, necessary software, and a wheeled transport case. The system is intended for use in fast-flowing, turbulent waters and must utilize the sodium chloride (Salt) tracer dilution method.

Key Requirements & Compliance

  • Tracer Discharge Measurement System:
    • Portable, compact, lightweight device using the sodium chloride (Salt) tracer dilution method.
    • User interface with integral display, minimum 8 MB internal memory.
    • Operating temperature range: -20° to 60°C, with rechargeable AA battery operation (at least 40 hours).
    • USB-C port and Bluetooth communications, minimum Ingress Protection (IP) rating of IP66.
    • Includes calibration supplies, software for data display, graphing, post-processing, and CSV/XML export.
  • Conductivity Probes: Compatible probes with integral cable of at least 30 ft, integrated temperature compensation, and an operating range of 0 to 2,000 uS/cm (resolution of 0.1 uS/cm or better). Includes weighting armor.
  • Transport Case: Capable of housing all system components and calibration accessories, with protective inserts, hinged cover, telescopic handle, and wheels.
  • ICT Accessibility (Section 508): Any software or electronic content provided must comply with Revised Section 508 of the Rehabilitation Act, including WCAG 2.0 Level A and AA Success Criteria for software and electronic content.
  • FISMA IT Security: If applicable, the system or associated IT services must adhere to the FISMA 18-Point Checklist, covering background investigations, non-disclosure agreements, Privacy Act compliance, training, incident reporting, and NIST SP 800-53 Rev.1 controls.

Contract Details

  • Product/Service Code: 6695 (Combination And Miscellaneous Instruments)
  • Set-Aside: Total Small Business Set-Aside (FAR 19.5)
  • NAICS Code: 334519, Size Standard: 500 employees
  • Delivery: Required within 30 days after receipt of order.
  • Place of Performance: SOUTH ATLANTIC WSC, 44 BUCK SHOALS RD UNIT 704, ARDEN NC 28704-3307 US.

Submission & Evaluation (Historical)

Offers were due by April 16, 2026, at 11:00 AM local time. Evaluation criteria included technical compliance and price, as per FAR clauses for commercial products and services. Offerors were required to provide specifications of quoted items. Questions were directed to Cynthia Nicanor (cynthia_nicanor@ios.doi.gov).

People

Points of Contact

Galvin, DanielPRIMARY

Files

Files

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Versions

Version 2Viewing
Award Notice
Posted: May 1, 2026
Version 1
Solicitation
Posted: Apr 13, 2026
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