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  5. ›TUBA CITY WASTEWATER TREATMENT PLANT IMPROVEMENTS PROJECT

Navajo Tribal Utility Authority·Arizona

TUBA CITY WASTEWATER TREATMENT PLANT IMPROVEMENTS PROJECT

Closes 11/24/2026$10M – $15MInvitation for Bid
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Description

The Navajo Tribal Utility Authority (NTUA) is seeking a qualified contractor to design‑build a new 1 MGD wastewater treatment plant at Tuba City, Arizona. The scope includes complete construction of treatment facilities (headworks, aeration basin, digesters, UV disinfection, sludge handling, administration building, etc.), demolition of existing plant components, and all associated civil, mechanical, electrical, and instrumentation work required for a fully functional plant. Preference will be given to qualified Indian‑owned firms, and bidders must submit both electronic and hard‑copy bids by the specified deadline. • Full design‑build of a 1 MGD wastewater treatment facility with UV disinfection and sludge dewatering • Demolition of existing plant infrastructure and site improvements (earthwork, utilities, fencing, etc.) • Requirement to meet Navajo tribal procurement preferences; submission via email (PDF) and hand‑delivery accepted

Attached files

Contact

Avis Jimm(Purchasing Department)

[email protected]

Key dates

Opened
10/28/2026
Questions due
11/6/2026
Pre-bid meeting
10/22/2026
Closes
11/24/2026

Last updated

Details

Type
Invitation for Bid
Industry
Water Management and Sanitation
NAICS
237110

Budget estimate

$10,000,000 – $15,000,000

No contract value is disclosed, but a new 1 MGD wastewater treatment plant with extensive civil, mechanical, electrical, and instrumentation work typically falls in the $10 million–$15 million range for similar tribal projects. The estimate considers the size of the plant, the inclusion of UV disinfection, sludge processing equipment, demolition of existing facilities, and the remote location which can increase logistics costs.

AI estimate from the solicitation

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