Comprehensive Fisheries Engineering and Design Services

At Morrison-Maierle, we understand fisheries inside and out. Our team brings together a powerful combination of hydraulic, structural, and mechanical engineering expertise, paired with the leadership of an experienced fisheries technical leader. This integrated approach gives us a distinct advantage, ensuring every project is grounded in both sound engineering principles and the practical experience of our environmental scientists.

Our team brings decades of experience in the design of fish ladders, passage facilities, and hatcheries. We understand that successful fisheries projects depend on more than standard design practices—they require careful consideration of fish behavior, lifecycle needs, and long-term operational performance.

Fish Passage Design

Fish passage design—including ladders, traps, screens, and holding ponds—demands a specialized understanding of both biological systems and the evolution of fisheries infrastructure. While these facilities share similarities with traditional structures, critical details make all the difference. Improperly designed elements—such as exposed fasteners, incompatible metals, or insufficient material specifications—can lead to premature degradation, create hazards for fish, and complicate maintenance and operations. Our team prioritizes durability, safety, and functionality from the outset to avoid these common pitfalls.

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The Mackay Fish Hatchery is located 10 miles north of Mackay, Idaho.
The Mackay Fish Hatchery is located 10 miles north of Mackay, Idaho.

Fish Hatcheries

Fish hatcheries combine conventional engineering systems with highly specialized biological and operational requirements. Delivering a successful facility requires both technical precision and real-world operational insight. Our environmental sciences team brings extensive experience supporting hatchery planning, design, and operations, providing practical guidance that strengthens design decisions. Paired with our experienced engineering team, this collaborative expertise ensures hatcheries that function efficiently and reliably over the long term.

Across the Pacific Northwest and Intermountain West, Morrison-Maierle has partnered with agencies and organizations to deliver effective, reliable solutions for complex fisheries challenges. From concept through construction, we provide the technical precision and ecological insight needed to support resilient, sustainable outcomes for fisheries projects of all scales.

Services

  • Water supply intakes and outfall structures

  • Debris and fish screens

  • Water treatment facilities

  • Hatchery buildings and incubation facilities

  • Concrete and fiberglass tanks and raceways

  • Aluminum and stainless steel sorting and holding facilities

  • Water treatment and outfall facilities

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