Current Projects

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…

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…

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,…

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…

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…

IMCO is constructing a 82 megawatt Battery Energy Storage System consisting of 146 battery blocks. The work includes underground electrical, earthwork, concrete foundations, and setting of Prevalon equipment.

Douglas County PUD contracted IMCO Construction to build Washington State’s first large-scale hydrogen production facility, which will use water and power from the Wells Dam facility to produce hydrogen through an electrolysis process. Hydrogen does not emit carbon and…

IMCO constructed two battery energy storage systems (BESS), the first in a series of projects providing the first utility-scale storage systems in the state. The 520 20,000-pound batteries can store 123 megawatts of power. IMCO work included site preparation,…

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…

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…