Riverware support

Awarded Limited / Sole Source Justification Posted

Solicitation number
140R3026F0025
Agency
Set-aside
No set-aside

Opportunity facts

Contract number
GS10F220BA-140R3026F0025 Federal contract award

Notice details come from SAM.gov. Updated .

About this opportunity

The Department of the Interior Bureau of Reclamation has awarded a task order to Hydros Consulting Inc. for RiverWare support on a limited-sources basis under the GSA Federal Supply Schedule, with contract number GS10F220BA and an award date of July 20, 2026.

The justification cites FAR 8.405-6(a)(1)(i)(B), establishing that only one source is capable of providing the required supplies or services at the necessary quality level. Hydros Consulting Inc. is the original developer and long-term maintainer of the RiverWare models, with over 15 years of support to Reclamation. The services are unique and highly specialized, supporting Colorado River operations, salinity forecasting, water quality analysis, groundwater modeling, system optimization, and compliance with international treaty obligations. Market research confirmed no other vendors have comparable experience with these specialized modeling systems. The government determined that transition to another contractor would require at least one year for knowledge transfer and validation, creating unacceptable operational risk.

The task order runs from August 1, 2026, through July 31, 2030, consisting of one base year and three option years. Place of performance is Boulder, Colorado. Hydros Consulting Inc. is a current GSA schedule holder with pricing previously determined fair and reasonable by GSA. The work covers RiverWare, MODFLOW, and CE-QUAL-W2 models, including modeling support, forecasting, reporting, and system updates.

Notice text

RIVERWARE SUPPORT Awarded contract GS10F220BA to unknown vendor for unknown amount on 2026-07-20.

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