Your Lake, River & Wetland Management Experts


What is Limnopro Aquatic Science, Inc.?

Limnopro Aquatic Science, Inc. is a complete lake, river and wetland management company, providing professional services for governmental agencies, lake associations and lake improvement districts, engineering firms, nonprofits, and individuals.  We operate out of St. Cloud, Minnesota and serve groups primarily in Minnesota and Wisconsin.

Limnopro is a combination of two words, “limnology” and “professional”. The word "limnology" means “the study of freshwater lakes, rivers, and wetlands” and "professional" indicates that our services are provided with advanced training and experience.

Aquatic Science Services

toxic algae screening

Toxic Algae Screening

People can become ill after swimming in lakes with toxic algae. Our services help detect both harmful and harmless algae.

aquatic invasive species detection

Aquatic Invasive Species

We offer a general search service to discover possible invasive species in your lake and can set up a prevention plan.

aquatic plant survey

Aquatic Plant Surveys

Aquatic plant surveys is another component to help monitor your lake's health and provides useful data for lake maps.


Freshwater Taxonomy

Monitoring the taxonomy in your lake or any freshwater bodies of water can help indicate changes in its environmental chemistry.

lake management

Lake Management Planning

Your lake's health is our #1 priority. We offer lake management plans and lake assessments to provide you the best information.

fisheries assessments

Fisheries Assessments

We analyze the data from DNR Fisheries office and provide invaluable information for your lake's health.

water quality monitoring

Water Quality Assessment

Lake clarity is an important component of its overall health. Our assessment's can provide you the guidance for the next step.

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Consulting Services

Our consulting services cover a wide arrange of possibilities with us to help you better achieve your limnology goals.

All initial consultations are free. Contact us today!

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What Sets Limnopro Apart?

Not all consultant and management companies are equal.  Anyone can offer advice, and most anyone can collect water samples and report what they find. Few have the advanced training, experience, background, and technical abilities to advise clients to make sense of things and more importantly to solve problems. We will help you to determine value, objectives, and metrics to evaluate the particular goals you have.  We will work from start to finish to design projects or provide services or advice to meet those goals.


Serving Minnesota & Wisconsin

Limnopro is headquartered in St. Cloud, Minnesota, which in the central portion of the state.  We provide professional services and consulting primarily to lake rich areas of Minnesota and Wisconsin.  We also accept biological samples for taxonomic work from all over the U.S.A.

Some of the areas we serve in Minnesota include Annandale, Clearwater, Alexandria, Fergus Falls, Detroit Lakes, Pelican Rapids, Brainerd, Bemidji, Grand Rapids, Ely, International Falls, Duluth, Minneapolis, St. Paul, Waterville, and more.  Areas we serve in Wisconsin include St. Croix Falls, Spooner, Rice Lake, Hayward, Park Falls, Eagle River, Rhinelander, Tomahawk and more!

Meet Dr. Daniel McEwen

Limnopro Aquatic Science, Inc. is owned and operated by Dr. Daniel McEwen.  Dr. McEwen earned a Ph.D. working on lake management issues, is a Certified Lake Professional through the North American Lakes Management Society, has been a Professor of Biology for nearly a decade now, and has over 15 years experience working with some of the top trained scientists in their fields.  He has done research and taught classes in general biology, aquatic biology, ecology, environmental science, research design, data analysis, and more. Along with supporting staff, Limnopro simply has the most qualified scientists you will find in environmental consulting companies around the Midwest.