Construction site by the water.

Current Projects

Two-Phase Industrial Wastewater Treatment Upgrades

Two-Phase Industrial Wastewater Treatment Upgrades

Current Project

IMCO Construction is delivering upgrades to the existing wastewater treatment plant (WWTP) at a dairy facility in Nampa, Idaho. During the proposal phase of the project, IMCO identified multiple value engineering opportunities on the project that provided immediate cost…

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Kingston Ferry Terminal Seismic Retrofit

Kingston Ferry Terminal Seismic Retrofit

Current Project

IMCO Construction is performing the Kingston Ferry Terminal Seismic Retrofit, a critical project to strengthen the existing facility against future earthquake events. The work includes complex structural reinforcements, removal and reinstallation of the terminal bridge, and installation of temporary…

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Bellingham Waterfront Park Environmental Cleanup

Bellingham Waterfront Park Environmental Cleanup

Current Project

​IMCO Construction has begun the R.G. Haley and Cornwall Avenue Landfill Site Cleanup contract along the Bellingham Bay waterfront, at the south end of Cornwall Avenue. This area was once an active industrial operations sites, including a wood treatment…

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Boise Bench 200 Megawatt Battery Energy Storage System

Boise Bench 200 Megawatt Battery Energy Storage System

Current Project

IMCO Construction is building a 200MW/800MWh battery energy storage system for a high-trust client in Ada County, Idaho. Work includes the installation of 208 battery enclosures for lithium-iron phosphate cells and 52 skids, site preparation, and concrete foundations. The…

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Columbia River Twin Advanced Membrane Water Treatment Plants

Columbia River Twin Advanced Membrane Water Treatment Plants

Current Project

IMCO Construction is building two advanced membrane water treatment plants for the Port of Morrow, representing a major step forward in regional water infrastructure.   Each of the two facilities feature a comprehensive suite of water treatment processes designed to ensure high-quality output. These processes include sand…

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Nampa Wastewater Treatment Plant Headworks Facility CMGC

Nampa Wastewater Treatment Plant Headworks Facility CMGC

Current Project

IMCO Construction is building delivering a new headworks facility in partnership with Keller. The facility will include new influent pumping, screening, grit removal, and associated infrastructure. The Nampa Wastewater Treatment Plant Project Group G New Headworks project will also…

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Everett Water Reservoir 3 Replacement

Everett Water Reservoir 3 Replacement

Current Project

IMCO Construction is building a new eight-million-gallon concrete tank. The prestressed and partially buried tank will store the City of Everett’s drinking water. The current tank is susceptible to seismic damage, and this new structure will provide an upgraded…

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Industrial Food Processing Facility Expansion

Industrial Food Processing Facility Expansion

Current Project

IMCO Construction is building the process water treatment facility for a major food company at their new potato processing plant in central Washington. The process water treatment system will treat waste process water and clean through a screening, clarification,…

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Tacoma Sewer Utility Replacement Progressive Design-Build Project

Tacoma Sewer Utility Replacement Progressive Design-Build Project

Current Project

IMCO Construction and designer Carollo are partnering to replace sewer utilities for the City of Tacoma, performing preconstruction services, evaluating options to determine the best alignment for new large-diameter pipe and a strategy for the re-use of existing pipeline…

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Downtown Bellingham Lift Station Capacity Improvements

Downtown Bellingham Lift Station Capacity Improvements

Current Project

This project provides improvements to the existing lift station and force main pipes to provide adequate pumping capacity to facilitate future sewage conveyance at the Roeder Lift Station along the downtown Bellingham waterfront. The Roeder Lift Station Capacity Improvements…

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Progressive Design-Build Everett Water Filter Plant Upgrades

Progressive Design-Build Everett Water Filter Plant Upgrades

Current Project

The City of Everett owns and operates a water filter plant and regional water distribution system that serves more than 675,000 customers daily. The water filter plant was originally constructed in 1983 and now has aging infrastructure elements in…

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Holden Mine Water Treatment Plant Operations & Maintenance

Holden Mine Water Treatment Plant Operations & Maintenance

Current Project

Since 2016, IMCO has been continuously operating the Holden Mine water treatment plant for mining giant Rio Tinto as part of an environmental remediation effort at the site. IMCO constructed and commissioned the facility which removes heavy metals from…

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