Water & Wastewater Projects

IMCO offers unsurpassed technical understanding of water and wastewater construction. Our team has built or retrofitted over 50 treatment plants throughout the Northwest region. IMCO has constructed and commissioned some of the most advanced treatment methods available. Our team builds complex water and wastewater projects for industrial clients and municipalities across the region.

Projects

Trench boxes on construction site with pipeline and blue sky in background

Tolt Pipeline No. 1 Rehabilitation

Everett Water Filtration Facility

City of Everett Water Filter Plant Upgrades Progressive Design-Build

Pocatello Creek Booster Station Pipeline

Pocatello Creek Booster Station

Tee and valve for hydrant

Ontario Sanitary Sewer

Caldwell WWTP Improvements Project

Caldwell Wastewater Treatment Plant Improvements

IMCO Construction dirt work and lagoon expansion, foothills in the distance

Eagle Wastewater Treatment Plant Facility Expansion

Lewiston Water Treatment Plant Conceptual Design

Lewiston Water Treatment Plant Progressive Design-Build

IMCO crews are installing a 42-inch diameter pipeline

Skagit River Raw Water

Aerial View of Everett Water Pollution Control Facility Running Parallel to Interstate 5

Water Pollution Control Facility FEN Chlorination Building Upgrade

Google earth image of Priest River Idaho, ariel view

Priest River Water Resources Recovery Facility

Barge on Lake Chelan transporting material and crew to and from the jobsite

Holden Mine Water Treatment Plant Operations

Holden Mine Water Treatment Plant Lake Chelan Rio Tinto

HOLDEN MINE WATER TREATMENT PLANT

concrete process basins and wastewater treatment facility buildings with trees

Kettle Falls Wastewater Treatment Plant

Crane at Silo construction site at Riverside Park, Spokane, Washington

SPOKANE WATER RECLAMATION FACILITY

UAV Bird's eye-view of REDMOND STORMWATER PROJECT IMCO CONSTRUCTION

Downtown/Redmond Way Stormwater Treatment Facility

Excavator and Steel Pipes Installation

Tulalip Water Pipeline Projects, Proposals 1 & 2

Hatchery sprinkler misting water into pool

Priest Rapids Fall Chinook Hatchery Renovation

Bird's eye-view of Marysville Wastewater Treatment Plant

Marysville Wastewater Treatment Plant Upgrade & Expansion, Phase 2

City of Everett Water Pollution Control Facility IMCO General Construction Contractor

Everett Water Pollution Control Facility GC/CM Project

Bird's eye-view of Spokane, Washington's Airway Heights Water Reclamation Plant

Airway Heights Water Reclamation Plant, Phase 1B

Arlington Wastewater Treatment Plant and fall trees

Arlington Wastewater Treatment Plant Upgrade & Expansion, Phase 1

Sunny Day at Anacortes Water Treatment Plant with American Flag

Anacortes Water Treatment Plant

Port Angeles wastewater treatment plant ceiling view

Port Angeles Phase 1 CSO Project

Construction crane at Lynden Water Treatment plants

Lynden Water Treatment Plant

storm water tunnel

Madison Valley NW Diversion & Washington Park Storm Water