About Aqua-Magnetics
Innovating Electromagnetic Flow Measurement
Aqua-Magnetics develops practical electromagnetic flow measurement technology designed around the needs of professionals working in real-world field conditions.
Our products combine decades of flow measurement experience with modern sensing, wireless connectivity and straightforward field operation.

Experience Behind the Technology
Decades of real-world flow measurement experience.
30+ Years of Experience
Decades of hands-on experience conducting industrial, commercial and municipal flow studies and solving challenging field measurement applications.

Proven Instrument Development
Experience developing electromagnetic flow measurement instrumentation, data logging systems and field measurement technologies used throughout the water and wastewater industry.

Precision Calibration
Products are developed and verified using controlled velocity testing and Aqua-Magnetics’ Precision Tow calibration capabilities.

Meet the Team
Experience in flow measurement, instrumentation and field applications.



John Marsh
Managing Partner
Larry Marsh
Partner
Jack Marsh
Former Director of Savannah Environmental, Inc. with more than 30 years of experience in flow monitoring and instrumentation. Developed Flo-Ware for the Flo-Tote series and Rainger Rain Gauge and designed data logging systems used with Flo-Tote 3 and Flo-Dar instrumentation. Extensive experience conducting industrial, commercial and municipal flow studies.
Founder of Marsh-McBirney, Inc. in 1971 and a pioneer in flow measurement instrumentation. Awarded numerous patents and inventor of many innovative flow measurement products, including the world-renowned Flo-Dar radar-based flowmeter. Decades of experience developing technologies that have advanced the measurement of water and wastewater flow worldwide.
Operations Manager
More than 10 years of hands-on flow monitoring experience, including stream profiling and sewer flow monitoring. Experienced in instrument verification and calibration using Aqua-Magnetics’ Precision Tow facility.
From Field Experience to Field Instruments
Designed, developed and verified around real-world flow measurement.

Understand the Measurement
Real-world flow monitoring experience helps identify measurement challenges and practical requirements encountered in the field.

Develop the Technology
Electromagnetic sensing, electronics, wireless connectivity and straightforward field operation are integrated into practical measurement instruments.

Verify the Performance
Instrument performance is evaluated using controlled velocity testing and Aqua-Magnetics’ Precision Tow calibration capabilities.
Built for the People Who Measure Flow
Practical instrumentation for real-world measurement applications.

Municipalities
Practical flow measurement tools for stormwater, wastewater, drainage and field investigations.

Consulting Engineers
Portable instrumentation for site investigations, hydraulic studies, verification and field data collection.

Field Professionals
Straightforward instruments designed for fast setup, portable operation and real-world field conditions.

Water & Wastewater
Measurement technology for open-channel, sewer, stream and other water-flow applications.

