B--Model Development and Support CalSim Model Logic
Bureau of Reclamation · MP-REGIONAL OFFICE
Capture briefs (a one-page, shareable copy of this page) are part of Pro. The CSV here holds the notice, its timeline and past awards.
Where this opportunity stands
Every notice posted under solicitation 140R2026Q0024 in this department, oldest first.
Next steps for this stage
Standard steps for the notice type; not advice about this buyer.
- Answer the notice: this is when the requirement can still be shaped.
- Contact the contracting officer named on the notice.
- Check who won similar work; they are the likely bidders.
What the notice says
This is NOT a solicitation announcement. This is a Sources Sought notice issued solely for market research and planning purposes. It does not constitute a Request for Quote (RFQ) and does not obligate the Government to award a contract. The Bureau of Reclamation is seeking interested vendors capable of providing support, maintenance, and development services for CalSim 3, the modeling platform used to analyze Central Valley Project (CVP) and State Water Project (SWP) operations as part of the Long-Term Operations consultation. Interested vendors should submit a capability statement that clearl… (show all)
y demonstrates experience with: - CalSim 3 or similar water resource modeling platforms - Support and maintenance of complex modeling systems - Development and enhancement of modeling tools for water operations Response should include: - Business name, address, and point of contact - Business size and socio-economic status (e.g., Small Business, 8(a), HUBZone, Woman-Owned, Veteran-Owned, etc.) - Relevant past performance examples NAICS Code: 541690 - Other Scientific and Technical Consulting Services Size Standard: $19.0 million Response Due Date: Wednesday, January 28, 2026, at 1:00 PM Pacific Time Questions and Submissions: Please direct all questions and submit responses to: RaShayla Brown Email: rbrown@usbr.gov Attachments: - A02.12 PWS (Performance Work Statement)
Who won similar work
11 award notices on SAM.gov in the last 24 months. Match: Same agency (Bureau of Reclamation), same NAICS 541690.
| Winner | Awards | Value | Last |
|---|---|---|---|
| SP CRAMER & ASSOCIATES INC | 2 | $2.2M | Jan 23, 2026 |
| MARSH & ASSOCIATES LLC | 2 | $1.3M | Mar 13, 2026 |
| GEOSYSTEMS ANALYSIS, INC | 1 | $1.8M | Sep 9, 2026 |
| BIO-WEST INC | 1 | $1.6M | Feb 14, 2025 |
| Upstream Tech Inc | 1 | $682K | May 21, 2025 |
| MOLLOY & ASSOCIATES, LLC | 1 | $409K | Mar 31, 2026 |
| FISH & WILDLIFE, WASHINGTON STATE DEPARTMENT OF 600 CAPITOL WAY N OLYMPIA WA 98501 USA | 1 | $144K | Sep 12, 2025 |
| PONDEROSA ADVISORS, LLC | 1 | $45K | Sep 1, 2026 |
| HAMILTON BLAKE LLC | 1 | $11K | Sep 12, 2025 |
Value counts single-winner awards. "Shared" awards are multiple-award contracts that list every winner with the same total ceiling; that ceiling is not one company's win, so it is not added in.
- Sep 9, 2026GEOSYSTEMS ANALYSIS, INC$1.8MR--MRG-RIVER EYES MONITORING
- Sep 1, 2026PONDEROSA ADVISORS, LLC$45KD--EC - PONDEROSA / B3
- Mar 31, 2026MOLLOY & ASSOCIATES, LLC$409KR--R&D - MUSSEL CONTROL RESEARCH
- Mar 13, 2026MARSH & ASSOCIATES LLC$30KB--G3 NATIVE FISH DATABASE SERVICES
- Jan 23, 2026SP CRAMER & ASSOCIATES INC$43KF--Lower American River Monitoring Spawning and Stranding Surveys
- Sep 12, 2025FISH & WILDLIFE, WASHINGTON STATE DEPARTMENT OF 600 CAPITOL WAY N OLYMPIA WA 98501 USA$144KF--BULL TROUT TRIBUTARY PASSAGE SERVICES
- Sep 12, 2025HAMILTON BLAKE LLC$11KH--Inspections of Personal Fall Arrest System (PFAS) equipment
- Aug 7, 2025S.P. CRAMER & ASSOCIATES, INC.$2.2MF--Monitoring Juvenile Anadromous O. mykiss in the Lower San Joaquin and Stanislaus River
- May 21, 2025Upstream Tech Inc$682KA--MACHINE LEARNING INFLOW FORECASTS
- Feb 14, 2025BIO-WEST INC$1.6MB--Monitoring the Population of Razorback Sucker in Lake Mead, AZ-NV
Competitive landscape
For the 8 most frequent past winners above. Lobbying is matched by the company's exact name or exact ticker; agencies are as named on the filings.
- 0 of these past winners lobbied Bureau of Reclamation since 2024 (0 filings)
- 0 of their lobbyists list a past Bureau of Reclamation job
- No corporate PAC money from them to the overseeing committees since 2024
- 0 foreign-agent (FARA) registrations
Policy around it
Bills the past winners named while lobbying this agency's issues, rules from the department, and executive orders that name the agency, last 12 months.
- 0 bills named on the past winners' lobbying filings
- 0 rules from the department in the last 12 months
- 0 executive orders naming the agency in the last 12 months
Market
For past winners matched exactly to a listed company. Insider trades are open-market buys and sells (Form 4) in the last 90 days, shown as facts; our own study found insiders do not reliably buy ahead of awards.
- 0 of the past winners are listed companies
- 0 insider buys and 0 insider sells at them in the last 90 days
Sources: SAM.gov notices and award notices; Senate LDA lobbying filings; FEC filings; FARA; Federal Register; congress.gov; SEC Form 4. Every row above links to its record.
Companies are matched to tickers by exact name only. A company we could not match shows no market rows; that is a miss, not a finding.