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McMillen Engineering

Design and build solutions for a better tomorrow.

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About the firm

McMillen Engineering is a water resources engineering firm based in Boise, Idaho specializing in dams, hydropower, fisheries, water infrastructure, and natural resource restoration. Founded over 22 years ago, the firm delivers design-build and EPC solutions for hydroelectric and pumped storage projects, dam safety and rehabilitation, fish passage and aquaculture facilities, water control and delivery infrastructure, and environmental restoration including dam removal and watershed rehabilitation across the western United States and beyond.

Firm type
Civil Engineering · Water / Wastewater Engineering · Design-Build · EPC

Capabilities

Dam Engineering

Service website

Dam design and build, dam safety inspections and remediation, and dam removal and decommissioning.

  • Dam Design and Build
  • Dam Safety

Hydropower and Energy

Service website

Hydropower and pumped storage feasibility, design-build, regulatory licensing, modernization, and construction of water-to-wire facilities.

  • Hydropower and Pumped Storage
  • Regulatory and Licensing

Fisheries Engineering

Service website

Fish passage facility design, aquaculture facility engineering, and fish hatchery design-build.

  • Fish Passage
  • Aquaculture Facilities

Water Infrastructure

Service website

Water control and delivery systems, water treatment infrastructure, and transportation infrastructure associated with water projects.

Natural Resource Restoration

Service website

Dam removal and decommissioning, watershed restoration, and water resource planning.

Industries

Hydroelectric · Water Resources · Water Supply · Natural Resources · Environmental & Remediation

Projects