Fort Smith Water Line Adds 30M Gallons Daily
Utilities and water-dependent businesses in Fort Smith should plan for capacity arriving in stages as the line extends.
Updated on Nov. 6, 2026 in Utilities
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Officials broke ground on the second phase of the $23.2 million Lake Fort Smith Water Transmission Line, which will add six miles of water lines to the six miles already completed. The project is a five-phase effort, and for utilities and water-dependent businesses in the region it means new delivery capacity is on the way as the line extends toward Fort Smith.
Why it matters
The city's water infrastructure is old, and the project is being built in phases because it is hard for local communities to fund all at once. Expanding delivery capacity is intended to support future growth in Fort Smith and the more than 30 communities that rely on the city for water.
The second phase carries a $23.2 million price tag, split between $12 million in federal infrastructure money and $11.2 million in Fort Smith matching funds. When the full line is complete, it will add up to 30 million gallons per day of delivery capacity across a total planned length of 18 miles.
The players
City of Fort Smith
Arkansas municipal government that operates the city's water system and is contributing $11.2 million in matching funds to the transmission line.
Lake Fort Smith Water Treatment Plant
Water treatment facility in Mountainburg that serves as the source for the transmission line supplying Fort Smith.
The details
The project extends a 48-inch transmission line that began with about six miles laid from the Lake Fort Smith Water Treatment Plant in Mountainburg, and construction continues toward Fort Smith in phases. Phasing spreads the cost over several funding cycles, which is why the city is pairing federal infrastructure dollars with its own matching funds at each stage. Once the line reaches its planned length, the added capacity will serve both the city's own growth and the surrounding communities that draw water from it.
Timeline
Thursday: Groundbreaking held for the second phase of the transmission line (before November 6, 2026).
Later, with no date specified: A third six-mile segment of water lines is planned.
Market Landscape
Municipal water projects of this scale are commonly financed in stages that pair federal infrastructure grants with local matching funds, as seen in the $12 million federal contribution to this phase. The Fort Smith line fits that pattern, with the city absorbing $11.2 million of the $23.2 million cost.
Businesses that depend on reliable municipal water service in Fort Smith should expect expanded delivery capacity as the line is completed in later phases. Operators planning construction, food service, or other water-intensive work should track the timing of the third segment against their own capacity needs.
The takeaway
The phased structure means capacity arrives in stages, so operators should not assume the full 30 million gallons per day is available at once. Watch for the announced schedule of the third six-mile segment to plan any dependent expansion.
Further reading
For context on how regional water and power providers plan these projects, see the Utilities coverage on our site.
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