Algal Turf Scrubbers
What are algal turf scrubbers?
Jul 18, 2025
What Are Algal Turf Scrubbers? (And No, They’re Not for Cleaning Your Lawn)
If you’ve stumbled on this page because you’re wondering how to remove algae from your backyard turf—don’t worry, you’re not alone. The name algal turf scrubber sounds like it could be a fancy outdoor cleaning tool. But in reality, it’s something far more innovative—and it’s transforming how we protect our waterways.
At Green Mechanics, we use algal turf scrubbers (ATS) as powerful, nature-based water treatment systems. Think of them as a man-made version of what streams and wetlands already do—only faster, more efficiently, and in a controlled environment.Adding Content to the Canvas
The Basics: How an Algal Turf Scrubber Works
Water Flow – We build a shallow, gently sloped “flowway” that allows water to move across a surface—just like water moving over rocks in a stream.
Algae Growth – Special surfaces encourage algae to grow in a thin layer, or “turf.”
Nutrient Capture – As water flows through, the algae act like a natural filter, pulling out excess nutrients like nitrogen and phosphorus—two major culprits in water pollution.
Harvesting – Every few days, we harvest the algae. This removes the captured pollutants from the water and leaves room for new growth.
The result is cleaner water, less nutrient pollution, and algae biomass that can be repurposed for fertilizers, soil conditioners, or even renewable energy.
Why algae?
Algae are like nature’s cleanup crew. They thrive on the same nutrients that, when left unchecked, cause harmful algal blooms in lakes, rivers, and bays. Instead of letting that pollution spread, we “trap” it in a controlled system where it can be removed and reused.
The benefits
Proven Results – ATS systems are EPA- and Maryland Department of the Environment-approved, with pollutant removal rates 2–3x higher than many traditional stormwater solutions.
Cost-Effective – They deliver better results at a fraction of the cost of ponds, green roofs, and other green infrastructure.
Low Disturbance – They don’t require large land areas or disruptive construction.
Circular Economy – Harvested algae can be turned into valuable products instead of becoming waste.
Why it matters for communities
Stormwater and wastewater are leading causes of water pollution, especially in regions like the Chesapeake Bay. Municipalities, farmers, and developers all face the challenge of meeting strict water quality standards without breaking the bank. ATS technology offers a way to address the root cause of pollution—before it hits our waterways—while also creating local jobs and revenue streams.
In short: An algal turf scrubber isn’t something you buy to clean your lawn—it’s a living, breathing water treatment system inspired by nature and built for impact.
If you want to learn more about how Green Mechanics is bringing ATS technology to communities across North America, get in touch with our team.