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Colorado Department of Natural Resources (Purchasing Office)·Colorado

Evaluation of Hydrology & Water Availability 15MR CO River

Closes 11/18/2026$300k – $800kRequest for Proposal
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Description

The State of Colorado, Department of Natural Resources, on behalf of the Colorado Water Conservation Board, seeks a qualified individual or firm to conduct comprehensive hydrologic studies for the 15‑mile reach (15MR) of the Colorado River. The work will evaluate existing flow recommendations from the 1999 Programmatic Biological Opinion, model future water availability through 2050, and produce deliverables that support ESA compliance and endangered‑species recovery. The contractor must have experience with Colorado water rights, hydrology, and StateMod modeling, and will provide a detailed approach, schedule, and cost breakdown. The award will be a single‑source purchase order, with work to begin after award (expected Jan 11 2027) and be completed by Dec 31 2027. • Scope includes data collection, hydrologic analysis, StateMod simulation, and future‑scenario assessment. • Minimum qualifications: Colorado water‑rights experience and StateMod modeling proficiency. • Required deliverables: technical report, data sets, presentation to agency staff, and optional recommendations for future water‑management actions. • Project budget is not disclosed; proposals are evaluated on technical merit, past performance, and price. • Submission via Colorado Vendor Self‑Service (VSS) or Google Forms; deadline Nov 18 2026.

Attached files

Contact

Klay Tolleson(Agency Buyer)

[email protected]

Key dates

Opened
10/14/2026
Questions due
10/27/2026
Closes
11/18/2026
Projected award
12/18/2026
Duration
12 months

Last updated

Details

Type
Request for Proposal
Industry
Consulting Services
NAICS
541330
Solicitation №
RFP-PDAA-20270000000000000002-1

Budget estimate

$300,000 – $800,000

The solicitation does not disclose a contract ceiling. Comparable state‑level hydrologic‑modeling contracts typically range from $300,000 to $800,000 depending on scope, data‑collection needs, and staffing levels. Given the requirement for specialized StateMod modeling, multiple senior engineers, and a 12‑month schedule, a realistic estimate is $300‑$800 k. Factors influencing the final amount include the depth of data acquisition, number of future‑scenario runs, and any optional deliverables the offeror proposes.

AI estimate from the solicitation

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