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About the Project

The San Juan Lateral Water Treatment Plant (SJLWTP) is a new water treatment plant, commissioned by the Bureau of Reclamation, that will treat water to be distributed by the Navajo-Gallup Water Supply pipeline to communities in the Navajo Nation and to the City of Gallup.

Office Hours:

Mon-Thu: 7AM -5PM

Phone Us:

206-793-2612
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The San Juan Lateral Water Treatment Plant (SJLWTP) is one of the most significant elements of the Navajo Gallup Water Supply Project. The
SJLWTP project includes the design, building, startup, testing, commissioning, and short-term operation of a new 18.8 million per gallons per day
(MGD) plant (Phase 1) and associated components with capability to expand to 37.6 MGD (Phase 2) to meet future demands. The water treatment
process is designed to remove inorganic, organic, and microbiological contaminants in accordance with federal Safe Drinking Water Act
regulations for the protection of public health. San Juan Lateral Water Treatment Plant Project
Blessing and groundbreaking ceremony milestone for navajo gallup water supply project

A significant step towards bringing clean and reliable water to the Navajo communities in northwest New Mexico, Gallup, New Mexico, and Window Rock, Arizona, was celebrated on April 16, 2025, with a Navajo blessing ceremony and groundbreaking event for the San Juan Lateral Water Treatment Plant. This vital facility is the largest and most crucial component of the ongoing Navajo-Gallup Water Supply Project.

 

Construction Schedule:

 

Construction Groundbreaking: April 1, 2025

Construction Complete: December 24, 2028

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Construction Complete

As of August 2025, the project completion date is December 24, 2028.

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Team Members

Jacobs, plus our team members Archer Western, Corbins, and MBA, will employ approximately 300 craft workers across multiple trades over the duration of the project.

Project Location Map