Nampa Wastewater Treatment Plant expansion currently on budget

NAMPA, Idaho (CBS2) — Nampa's $200 million dollar Wastewater Treatment Plant expansion is on budget and on track for a 2025 completion.

The plant is adding facilities, many of which are part of the city's new wastewater recycling program.

"So this is a major expansion to our plant," Jeff Barnes, the Director of Water for the City of Nampa said. "It's adding 10 major facilities to the existing process. We rate how much we can treat by million gallons per day and we're moving from 18 million gallons per day to 26 million gallons per day at buildout."

Barnes mentioned that everything was on track as the team eyes a 2025 completion.

"It's currently on schedule and on budget," Barnes said. "All the planning that's went into it is turning out to be beneficial right now during construction."

He noted that the project's planning had been in the works for nearly a decade and that this planning is helping teams currently.

The project is no small feat. Barnes noted that it's the largest reusable water project in Idaho and the largest design-build project in the state.

As for the actual project, the infrastructure investment is meant to help the city deal with water challenges, short and long-term.

A large part of this is the city's new recycled water program.

Treated water is currently discharged from the plant into Indian Creek, but when recycling operations go online in 2025, 11 million gallons per day will divert into the Phyllis Canal during the summer months.

The recycled water will provide about 15 percent of Nampa's total irrigation demand. Barnes and others at the plant said the water from the plant would cut down the amount of water taken from the Boise river, consequently cutting down on the river taken from Anderson Ranch, Lucky Peak and Arrowrock Dam.

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