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  5. ›Environmental Trust Department, Owhi Flats 2026

Confederated Tribes of the Colville Reservation·Washington

Environmental Trust Department, Owhi Flats 2026

Closes 10/29/2026$1.5M – $3MInvitation for Bid
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Description

The Confederated Tribes of the Colville Reservation are seeking a contractor to restore the Little Nespelem watershed by decommissioning six abandoned road segments (totaling approximately 3.3 mi) and installing two tank‑trap structures, along with extensive erosion‑control and cultural‑resource protection measures. The work includes removal of culverts and other non‑natural objects, re‑contouring, mulching, woody‑debris protection, and compliance with tribal codes and federal environmental regulations. Preference is given to Indian‑owned firms, and bidders must provide proof of $1 M liability insurance and TERO certification.

Attached files

Contact

Taren Redstar(Non‑Point Source Specialist)

[email protected]

(509) 634‑2350

Key dates

Opened
10/15/2026
Closes
10/29/2026

Last updated

Details

Type
Invitation for Bid
Industry
Environmental Services
NAICS
237990

Budget estimate

$1,500,000 – $3,000,000

The solicitation does not disclose a contract value. Based on typical industry rates for road decommissioning (≈ $100‑$150 per linear foot) and tank‑trap installation (≈ $150‑$250 k each), a reasonable estimate for 17,393 ft of road work plus two traps would fall between $1.5 million and $3 million. Factors influencing the final amount include site accessibility, material sourcing (on‑site aggregate vs. purchase), and the extent of erosion‑control measures required.

AI estimate from the solicitation

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