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Navajo Nation·Arizona

Proposal for Residential Onsite Wastewater Treatment Services (OWTS) Installation for Nahata Dzil Chapter

Closes 3/16/2026$2M – $5MRequest for Proposal
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Description

The Navajo Nation Fiscal Recovery Fund Office is seeking a qualified contractor to remove abandoned septic systems and design‑install new residential onsite wastewater treatment systems (OWTS) for homes in the Nahata Dzil Chapter across Arizona, New Mexico, and Utah. The scope includes site assessments, professional engineering design, permitting, excavation, tank and drain‑field installation, and final documentation with homeowner training. The contractor must hold appropriate state licensing, provide performance and payment bonds, and meet insurance requirements, with a target project completion date of December 31 2026. • Remove and properly dispose of existing septic infrastructure. • Conduct soil testing, engineering design (PE‑stamped) and obtain all necessary permits. • Install new OWTS units, drainfields, and related infrastructure per tribal and environmental standards. • Deliver O&M manuals, final inspection reports, and coordinate with Navajo utility agencies.

Attached files

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

Contact

Lyle C. Begay(Project Manager)

[email protected]

(928) 309-5539

Key dates

Opened
4/20/2026
Questions due
3/13/2026
Closes
3/16/2026
Projected award
3/18/2026
Duration
9 months

Last updated

Details

Type
Request for Proposal
Industry
Water Management and Sanitation
NAICS
237110
Solicitation №
Bid No. 26-01-3992SB

Budget estimate

$2,000,000 – $5,000,000

Based on the extensive scope—removing existing systems, conducting engineering studies, obtaining permits, and installing new OWTS for multiple residential sites—total contract value is likely in the multi‑million‑dollar range. Assuming an average of 30–50 homes, each costing $50k–$100k for design, excavation, and system installation, the overall award could fall between $2 million and $5 million. Factors influencing the final amount include the exact number of homes, site conditions, travel costs across three states, and any unforeseen remediation.

AI estimate from the solicitation

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