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  5. ›Okanogan Soil Remediation Pilot Project

Washington Commerce, Dept. of·Washington

Okanogan Soil Remediation Pilot Project

Closes 9/10/2026$2M – $3.9MRequest for ProposalLogin required
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Description

The Washington State Department of Commerce seeks a single contractor to design and implement a pilot‑scale soil‑remediation project on a cannabis‑farm site in Okanogan County. The work focuses on DDT/DDE contamination, requires selection of one of four approved remediation alternatives, and must meet all state and federal environmental statutes, including SEPA, SWPPP, waste‑handling, and cultural‑resource protections. • Remediate ≤ 50 acres serving at least ten cannabis producers, using a chosen alternative (capping‑in‑place, soil removal, consolidation, or containerization). • Deliver a detailed compliance plan (permits, storm‑water, health‑and‑safety, archaeological) and a producer‑engagement plan; report status by 30 June 2027. • Contract value capped at $3.88 M; payment is milestone‑based with no advance payments; award anticipated 22 Sept 2026 with performance through 30 Jun 2027.

Attached files

Contact

Angie Hong(RFP Coordinator)

[email protected]

(360) 506-1706

Key dates

Opened
8/7/2026
Questions due
8/24/2026
Pre-bid meeting
8/17/2026
Closes
9/10/2026
Projected award
9/22/2026
Duration
9 months

Last updated

Details

Type
Request for Proposal
Industry
Environmental Services
NAICS
562910
Solicitation №
27-96541-OKA

Budget estimate

$2,000,000 – $3,880,000

The solicitation caps the contract at $3.88 million, and the scope (design, permitting, construction, monitoring) suggests a mid‑range award of roughly $2 M to $3.9 M. The lower bound assumes a minimal‑scope cap‑in‑place solution; the upper bound reflects a more extensive excavation or containerized approach plus contingency.

AI estimate from the solicitation

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