Lake, River & Wetland Management 


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


Lake Diagnosis & Evaluation

Your lake's watershed influences, nutrient loading, water quality, aquatic vegetation, fisheries, AIS colonization risk, and more.


Aquatic Invasive Species

In lake early detection surveys , zebra mussel veliger/spiny waterflea microscopy, and general risk assessments.


Aquatic Plant Surveys

Curlyleaf pondweed, Eurasian watermilfoil, and mapping of other nuisance plants for treatment, and whole lake community surveys.


Freshwater Taxonomy

Identification of macroinvertebrates, zooplankton, and algae, including screening for harmful algae blooms.


Stream Monitoring

Field measurements for the determination of stream flow and water level in and out of a lake along with the nutrients they carry.


Nutrient Budgeting

Water sample collection and modeling of  sources/sinks for nutrients along with potential strategies for remediation.


Water Quality Monitoring

Monitoring and assessment of trophic status and trends for Secchi depth clarity, total phosphorus,  chlorophyll a & more.

lake management

Consulting Services

We welcome the opportunity to bid on special projects and will even write grants for your group in return for using our services.

All initial consultations are free. Contact us today!

Services Needed:

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.