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City of Thornton·Colorado

Water Quality Profilers

Closes 8/18/2026$500k – $1MRequest for Proposal
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Description

The City of Thornton is seeking a turnkey water‑quality profiling system for two municipal reservoirs. The contract calls for a floating, solar‑powered platform with anchoring, multi‑parameter sondes, a datalogger, SaaS data‑access software, installation, training, and optional five‑year maintenance and software‑license support. The vendor must meet hardware specifications (40 ft profiling depth, 0.5 m increments, PFAS‑free materials), provide a one‑year warranty on installation, and comply with Colorado’s accessibility (CADA) and cybersecurity questionnaire requirements. The award is anticipated late August 2026, with installation required by 23 Oct 2026. • Provide hardware platform, sondes, datalogger, and initial software setup for East and/or West Gravel Lakes Reservoirs (#4 and #2). • Deliver, install, anchor, and train city staff; optional annual maintenance and five‑year SaaS license. • Must submit firm‑fixed pricing for equipment, annual software fees, and per‑visit maintenance costs; comply with cybersecurity and accessibility standards.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Joshua Houston(Senior Purchasing Analyst)

[email protected]

(303) 538-7325

Key dates

Opened
7/28/2026
Questions due
8/5/2026
Closes
8/18/2026
Projected award
8/27/2026
Duration
5 years

Last updated

Details

Type
Request for Proposal
Industry
Water Management and Sanitation
NAICS
541330
Solicitation №
275-26

Budget estimate

$500,000 – $1,000,000

Based on typical costs for a complete water‑quality profiling system (floating platform, dual sondes, datalogger, installation, training) ranging from $150 k‑$250 k per reservoir, plus a five‑year SaaS license (~$20 k–$30 k per year) and optional annual maintenance (~$10 k–$15 k per year), the total contract value is estimated between $500 k and $1 M. Larger sensor suites or additional services could push the high end higher, while a single‑reservoir award would stay near the low end.

AI estimate from the solicitation

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