Blog Archives
The Benefits of Fall Aquatic Weed Harvesting
As temperatures cool, fall offers the perfect opportunity to harvest aquatic weeds and prepare lakes and ponds for the next growing season. Removing excess plant material before winter helps manage nutrients, prevent algae blooms, and improve water clarity.
Fall harvesting also helps control invasive species, allows easier access with lower water levels, and sets the stage for a healthier ecosystem come spring.
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Advantages of Aquatic Weed Harvesting
Mechanical harvesting of aquatic weeds offers many benefits over chemical control or doing nothing. It provides immediate relief from nuisance plants, improves navigation and recreation, removes excess nutrients like nitrogen and phosphorus, and leaves living plants behind to continue supporting oxygen and habitat. Harvesting also reduces muck buildup, improves fishing access, and creates compostable vegetation for soil enrichment.
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A Success Story – Lake Minnewawa Weed Harvesting
In the 1970s, Lake Minnewawa was overrun with weeds, making boating and water quality a challenge. In response, local residents formed the Save Minnewawa Association and eventually purchased an Aquarius Systems weed harvester.
Operating several months each year, the harvester clears invasive vegetation, improves water clarity, and removes excess phosphorous — reducing algae growth and supporting a healthier ecosystem. The project is funded by memberships, donations, and volunteer work, not state funds, making it a true community effort.
Thanks to years of consistent harvesting, the lake has seen significant improvements in water quality and usability, proving the value of mechanical weed management over chemical alternatives.
Read the full article on our website: Lake Minnewawa Weed Harvesting Success Story
Lake Minnewawa’s 1987 H-620 Aquarius Systems Aquatic Weed Harvester
Aquarius Systems 