CalSim Model Development and Application
| Location: | California |
|---|---|
| Posted: | Aug 23, 2026 |
| Due: | Sep 15, 2026 |
| Agency: | State Government of California |
| Type of Government: | State & Local |
| Category: |
|
| Solicitation No: | 10220250 |
| Publication URL: | To access bid details, please log in. |
| Basic Information | |
| Title | CalSim Model Development and Application |
| Agency | Department of Water Resources |
| Department | Department of Water Resources |
| Event ID | 10220250 |
| Format/Type | Sell Event / RFx |
| Published Date | 08/21/2026 |
| Bid Due Date | 09/15/2026 |
| Pre Bid Conference | Mandatory |
| Pre-bid Date | 08/31/2026 10:00AM |
| Pre-bid Location | MS Teams |
| Category Information | |
| UNSPSC |
81101500 Professional engineering services - Civil engineering
81111500 Computer services - Software or hardware engineering 70171506 Water resource development service contracting services - Ground or surface water modeling services 81101508 Professional engineering services - Civil engineering - Architectural engineering |
| Contact Information | |
| Name | James Tedeschi |
| james.tedeschi@water.ca.gov | |
| Phone | 916/803-6196 |
The Department of Water Resources (DWR), Division of Modeling Support Office, invites qualified firms to submit a Statement of Qualification (SOQ). Contractor will provide engineering services to develop, enhance, and apply the CalSim modeling tools, including CalSim 3, CalLite, CalSimHydro, CS3RimInflow, and the CalSim 3 Historical Hydrology Model (CS3HIST), to support simulation of CVP and SWP system operations and their service areas. This work includes improving and applying the WRIMS simulation engine, modeling water use for agriculture, urban, and refuge needs, and simulating streamflow and surface runoff from rim watersheds and valley floor areas. Contractor will also support calibration and validation of CalSim 3 surface and groundwater hydrology.
Estimated Contract Value: $1,000,000 - $10,000,000
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* Disclaimer: Information regarding bids, requests for proposals (RFPs), or requests for qualifications (RFQs) is provided on this website only for convenience and does not constitute official public notice. Persons wishing to respond to or inquire about bids, RFPs, or RFQs should contact the appropriate government department.