Design & Engineering Solutions
- Small to Large-Scale RAS Design & Supply – Turnkey solutions tailored to your operational scale and species requirements
- Partial Reuse Aquaculture Systems (PRAS) – Efficient designs for water reuse and sustainability, optimizing operational costs
- Advanced Reuse Technologies – Designs incorporating denitrification and other water reuse innovations to minimize freshwater use and effluent discharge
- Aquaponics & Integrated Production Systems – Incorporation of aquaculture into aquaponic systems, including nutrient recovery, mineralization, and efficient integration with fish production
- Influent and Effluent Treatment Systems – Custom treatment solutions to meet regulatory standards, reduce environmental impact, and optimize water quality
- Conservation & First Nations Hatchery Design & Supply – Specialized solutions supporting community-based, conservation, and indigenous aquaculture initiatives
Analytical & Advisory Services
- Independent 3rd Party Review – Objective evaluation of designs, construction, and operational performance provided by other suppliers
- Bioplanning Review & Development – Creation and evaluation of biological plans for production efficiency, biosecurity, and regulatory compliance
- Economic Modeling & ROI Planning – Comprehensive financial analysis and investment guidance to optimize project returns
- Computational Fluid Dynamics (CFD) Analysis – Advanced modeling to optimize water flow, oxygenation, and system hydraulics
- Project Feasibility Studies – Technical and economic assessments supporting informed investment and operational decisions
- Pre-Construction De-Risking – Identification and mitigation of design, operational, and financial risks before construction begins
Operational Support
- System Troubleshooting – Expert problem-solving for operational inefficiencies and system or performance issues
- Operational Training & Support – Hands-on training and ongoing guidance for owners/operators to maximize system performance and productivity
Sustainability & Innovation
- Advanced Water Reuse & Resource Recovery – Implementation of technologies such as denitrification, phosphorus recovery for environmentally responsible production
- Energy and Resource Optimization – Guidance and solutions to reduce energy use, water consumption, and operational footprint
By combining engineering excellence with proven project delivery, PR Aqua ensures every system is designed to meet the highest standards of quality, reliability, and sustainability.
Who We Are
Based in British Columbia, Canada, PR Aqua is an industry leader in recirculating aquaculture system (RAS) design and engineering. With more than 100 years of combined expertise, our team delivers world-class solutions for both commercial and public aquaculture facilities.
Our Capabilities
Our capabilities go beyond large-scale RAS design & supply. Below is a comprehensive list of what we offer our clients.
Ready to plan your next aquaculture project?
Contact us to learn more about our engineering services and to discuss your project needs.
What is RAS Aquaculture?
OFFSET BOX IMAGE LEFT FLUID — Recirculating Aquaculture System, or RAS, is a technique for raising aquatic species in a closed, indoor, land-based system.
Benefits of using Recirculating Aquaculture Systems:
- Minimizes Water Consumption
- Provides Maximum Control of the Environment,
- Reduces exposure to parasites, disease, and predators.
Reliability is Not Optional
THREE COLUMN TEXT LAYOUT CONTAINED — Built around biology because fish come first. Every pipe diameter, oxygen cone, and flow rate is chosen with fish health in mind. Whether you’re raising smolts, trout, char, or something more specialized, we help you create an environment where your stock can thrive.
With decades of aquaculture system design under our belt, we’ve learned what works—and what doesn’t. We’ve supported hatcheries, research facilities, and large-scale production sites across North America and beyond, tailoring each solution to fit the environment, species, and business case.
Clarity at every stage: from concept to commissioning, we believe in clear plans and clear water. That means detailed drawings, thoughtful system design, and components that do exactly what they’re supposed to—filter efficiently, pump reliably, and support healthy aquatic life from day one.
Reliability is not optional! You don’t have time for equipment that only works on paper. Our systems are engineered to run clean, run stable, and run long. We partner with trusted manufacturers and test everything before it ships. Because in aquaculture, failure isn’t just inconvenient—it’s costly.
Aquaculture is evolving. We help you stay ahead. We design with purpose: to minimize energy use, reduce maintenance, and make life easier for operators. Our systems are modular and scalable, with components that integrate smoothly into both new builds and retrofits. The result? Fewer surprises and greater long-term value.
As global demand rises and regulations shift, the need for efficient, closed-loop water systems has never been clearer. We’ve been at the forefront of that evolution. We don’t chase trends; we set new standards.
Clarity at Every Stage
TWO COLUMN TEXT LAYOUT CONTAINED — Built around biology because fish come first. Every pipe diameter, oxygen cone, and flow rate is chosen with fish health in mind. Whether you’re raising smolts, trout, char, or something more specialized, we help you create an environment where your stock can thrive.
With decades of aquaculture system design under our belt, we’ve learned what works—and what doesn’t. We’ve supported hatcheries, research facilities, and large-scale production sites across North America and beyond, tailoring each solution to fit the environment, species, and business case.
Clarity at every stage: from concept to commissioning, we believe in clear plans and clear water. That means detailed drawings, thoughtful system design, and components that do exactly what they’re supposed to—filter efficiently, pump reliably, and support healthy aquatic life from day one.
Reliability is not optional! You don’t have time for equipment that only works on paper. Our systems are engineered to run clean, run stable, and run long. We partner with trusted manufacturers and test everything before it ships. Because in aquaculture, failure isn’t just inconvenient—it’s costly.
ONE COLUMN TEXT LAYOUT CONTAINED — We design with purpose: to minimize energy use, reduce maintenance, and make life easier for operators. Our systems are modular and scalable, with components that integrate smoothly into both new builds and retrofits.
The result? Fewer surprises and greater long-term value.
Smarter Systems & Better Outcomes
ONE COLUMN TEXT LAYOUT CONTAINED — We design with purpose: to minimize energy use, reduce maintenance, and make life easier for operators. Our systems are modular and scalable, with components that integrate smoothly into both new builds and retrofits.
The result? Fewer surprises and greater long-term value.
RAS Partnerships
16x9 SOUND VIDEO RIGHT — From early design to on-site commissioning, we support your team with clear documentation, practical training, and ongoing technical advice. Because when your system runs well, your fish thrive—and that’s our shared success.
Evolving Aquaculture
16x9 IMAGE LEFT — As global demand rises and regulations shift, the need for efficient, closed-loop water systems has never been clearer. We’ve been at the forefront of that evolution—helping clients reduce waste, reuse water, and raise healthy fish with fewer resources. We don’t chase trends; we set new standards.
RAS Partnerships
16x9 IMAGE RIGHT — From early design to on-site commissioning, we support your team with clear documentation, practical training, and ongoing technical advice. Because when your system runs well, your fish thrive—and that’s our shared success.
Evolving Aquaculture
16x9 CLEAN VIDEO LEFT — As global demand rises and regulations shift, the need for efficient, closed-loop water systems has never been clearer. We’ve been at the forefront of that evolution—helping clients reduce waste, reuse water, and raise healthy fish with fewer resources. We don’t chase trends; we set new standards.
Our Blueprint
4-8 IMAGE LEFT CONTAINED — No two facilities are alike. That’s why our design process starts with what matters most to you—stocking densities, species sensitivities, site constraints, future growth. We translate those priorities into system architecture that balances technical rigor with operational simplicity.
Stay Ahead
8-4 IMAGE RIGHT CONTAINED — As global demand rises and regulations shift, the need for efficient, closed-loop water systems has never been clearer. We’ve been at the forefront of that evolution—helping clients reduce waste, reuse water, and raise healthy fish with fewer resources. We don’t chase trends; we set new standards.
Our Blueprint
4-8 IMAGE RIGHT FLUID — No two facilities are alike. That’s why our design process starts with what matters most to you—stocking densities, species sensitivities, site constraints, future growth. We translate those priorities into system architecture that balances technical rigor with operational simplicity.
Stay Ahead
8-4 IMAGE LEFT FLUID — As global demand rises and regulations shift, the need for efficient, closed-loop water systems has never been clearer. We’ve been at the forefront of that evolution—helping clients reduce waste, reuse water, and raise healthy fish with fewer resources. We don’t chase trends; we set new standards.
Built for Scale, Designed for Care
6-6 IMAGE RIGHT CONTAINED — Our portfolio includes facilities raising everything from Arctic char to Pacific salmon. Whether it’s a small pilot system or a full-scale hatchery, each project is built to protect fish health, conserve water, and deliver long-term value. No two systems are identical—because no two clients are.
Engineered with Purpose
6-6 IMAGE LEFT CONTAINED — Every project begins with a conversation. Our team collaborates closely with clients to design tailored systems that meet both performance and budget goals. We provide detailed drawings, equipment specs, and support throughout the process—making sure you're confident at every stage, from planning to commissioning.
here Built for Scale, Designed for Care
6-6 IMAGE RIGHT FLUID — Our portfolio includes facilities raising everything from Arctic char to Pacific salmon. Whether it’s a small pilot system or a full-scale hatchery, each project is built to protect fish health, conserve water, and deliver long-term value. No two systems are identical—because no two clients are.
Engineered with Purpose
6-6 IMAGE LEFT FLUID — Every project begins with a conversation. Our team collaborates closely with clients to design tailored systems that meet both performance and budget goals. We provide detailed drawings, equipment specs, and support throughout the process—making sure you're confident at every stage, from planning to commissioning.
Innovation Legacy
OFFSET BOX IMAGE RIGHT CONTAINED —Since 1985, we’ve helped shape the future of aquaculture. From early fiberglass tanks to advanced pumping and oxygenation systems, every decade has brought new breakthroughs. Our focus remains the same: reliable systems that scale with your needs.
Integrated Solutions
OFFSET BOX IMAGE LEFT CONTAINED — We design systems that move water intelligently—filtering out waste, recycling flow, and maximizing clarity with minimal energy. Our equipment, from drum and disc filters to UV disinfection units, is engineered for performance and reliability. It’s not just about moving water—it's about managing it responsibly and sustainably.
Innovation Legacy
OFFSET BOX IMAGE RIGHT FLUID XXL —Since 1985, we’ve helped shape the future of aquaculture. From early fiberglass tanks to advanced pumping and oxygenation systems, every decade has brought new breakthroughs. Our focus remains the same: reliable systems that scale with your needs.
Integrated Solutions
OFFSET BOX IMAGE LEFT FLUID XXL — We design systems that move water intelligently—filtering out waste, recycling flow, and maximizing clarity with minimal energy. Our equipment, from drum and disc filters to UV disinfection units, is engineered for performance and reliability. It’s not just about moving water—it's about managing it responsibly and sustainably.
Pioneering Aquaculture
OFFSET BOX IMAGE RIGHT FLUID — As the leading experts in Recirculating Aquaculture Systems (RAS) in the United States and Canada, we specialize in crafting tailored, integrated solutions for water treatment and fish handling, with a strong focus on RAS technology.
We deliver custom-engineered solutions that optimize every aspect of fish farming—from advanced water treatment to precision fish handling.
| Incubation Module | |
|---|---|
| Key Metrics | Site Requirements |
|
Production 100,000–320,000 salmonid eggs (species dependant) |
Land Space A level flat site; minimum 9m L x 2.7m W (30ft L X 9ft W) |
|
Incubators 16–32 trays in one or two different temperature zones |
Water Supply Surface water or ground water source; minimum 17 lpm (standard) at 1–12 °C |
|
Fish Species All Salmonid species |
Power Supply 240 volt 1-phase; 40-amp minimum (configuration dependant) |
|
Incubator Flow 22.7 LPM (6 GPM) per 8-tray rack |
Road Accessibility A gravel access road or better, suited for heavy transport access |
|
Recirculation 90% recirculated flow |
Water Pressure 5 psi minimum |
|
Incubator Temperature +4.0 °C to +8.0 °C |
Discharge Discharge into an Infiltration Basin, French drain, or direct to water body |
|
UV Dosage 60 mJ/cm² at end of lamp life (based on UVT of 90%) |
Comms Connectivity Internet, cellular, or telephone connectivity (optional SAT) |