Project Information

Bid Title

WASTEWATER TREAMENT

Issuing Agency

Navajo Tribal Utility Authority

Location

Arizona

Published Date

Feb 26, 2026

Closing Date

Mar 23, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

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WASTEWATER TREAMENT

PLANT (WWTP)

SITE IMPROVEMENTS

Date:

March 23, 2026,

at

5:00 p.m. (DST)

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LEGAL ADVERTISEMENT

Fort Defiance, Apache County

Arizona

NAVAJO TRIBAL UTILITY AUTHORITY

REQUEST FOR PROPOSAL

WASTEWATER TREATMENT PLANT (WWTP)

SITE IMPROVEMENTS

Navajo Tribal Utility Authority (NTUA) hereby requests proposals form certified contractors to

complete improvements to help mitigate erosion from stormwater runoffs at the Tuba City

Wastewater Treatment Facility (WWTP) in Tuba City, AZ. The Treatment Facility is located on

the Navajo Indian Reservation and is owned and operated by the NTUA.

Instructions and Scope of Work can be obtained from Andrea Hale, Contract Administrator, at

(928) 729-6249 or by email andreah@ntua.com or at NTUA Purchasing Department, North

Navajo Route 12, Fort Defiance, Arizona.

Proposal and Cost shall each be submitted (Hand carried) in separate sealed envelopes clearly

marked: “DO NOT OPEN – TUBA CITY WWTP SITE IMPROVEMENTS (PROPOSAL)”

and for the Cost “DO NOT OPEN – TUBA CITY WWTP SITE IMPROVEMENTS (COST)”

and received by March 23, 2026 at 4:30 p.m. (DST). Electronic emailed bids will be accepted and

should be emailed to Andrea Hale at andreah@ntua.com. No FedEx, UPS, and Us Mail bids will

be accepted. No late, facsimiled proposals will be accepted.

To ensure delivery by the due date and time, all proposals should be addressed to:

PHYSICAL ADDRESS:

Navajo Tribal Utility Authority

ATTN: Andrea Hale, Purchasing Department

North Navajo Route 12

Fort Defiance, Arizona 86504

Preference will be applied in accordance with the Navajo Business and Procurement Act (12

N.N.C. § 1501 et seq.); the Navajo Nation Procurement Act (12 N.N.C. § 301 et seq.); the Navajo

Nation Business Opportunity Act (5 N.N.C. § 201 et seq.) and other applicable statutory and

regulatory requirements. Proposers must submit evidence of their Preference Priority Certification

if applicable.

Commodity Codes

• NAICS 221320Sewage Treatment Facilities

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