Frequently Asked Questions

Aerate means to expose a substance to air. For plant growth, this means to put cylindrical holes into the ground. For water, it means to expose the water to air so that oxygen can be dissolved into it. The most publicly recognizable aerators for water are fountains. They shoot water into the air so it can collect oxygen on its return path to the pond. Subsurface aeration is like underwater fountains of bubbles. Air is fed to the water from the bottom of a pond through a diffuser and released back to the atmosphere when it reaches the surface of the water. The diffuser takes a stream of air and releases it into the water as tiny bubbles. From the perspective of the bubble, the smaller it is, the more oxygen that gets transferred. So, diffused subsurface aeration is an underwater fountain of tiny bubbles.

According to the Maryland Aquaculture Coordinating Council … “The use of aeration can significantly improve water quality by increasing dissolved oxygen concentrations, mixing waters and de– stratifying deep ponds.” To learn more about the benefits of subsurface water aeration review our BRIEFS Notable Improvement in Water Quality – What a Pond Assessment Before and After PondHawk Installation Revealed

In the personal pond of LINNE Industries owners, PondHawk reduced algae, improved water quality, and allowed for the natural re–introduction of fish, dragonflies, frogs, turtles and salamanders. As the pond became increasing healthier, the natural balance of life returned. According to the Montgomery County Maryland Department of Environmental Protection, bubble aeration may improve nutrient levels and therefore reduce duckweed blooms over time.
Each PondHawk unit is semi–custom, can serve water bodies up to two surface acres, and is aggregated for larger lakes. PondHawk comes in two pump sizes that operate off the same solar panel and enclosure, and each unit is supplied with up to four diffusers. We work with the civil engineer, pond manager, or golf course superintendent to evaluate each pond and specify the system components needed to meet the water quality improvement goals.
When you look at the pond, there should be bubbles breaking the surface and ripples of water emanating from this center. Essentially, Sun = Bubbles. If there is sun on the solar panel but no bubbles on the pond surface, contact LINNE Industries at 888–755–1950 or [email protected] You will also find a QR code on the back of the system that will take you to our website contact form.
Yes. PondHawk is designed to work in very low levels of solar insolation. With PondHawk, Mother Nature works her magic and aerates your pond—even during windy and rainy conditions.
PondHawk is an electro–mechanical system. It requires only minimal maintenance but should be inspected periodically. If there is debris on the glass of the solar panel, cleaning will help ensure proper output. If it is sunny but there are no air bubbles, check the hose connection to the pump. After four years of operation, the PondHawk gradually reduces the CFM of air it delivers. This is the time to contact LINNE Industries for a service plan that is right for you.
Yes, LINNE Industries provides a three–year limited warranty on PondHawk.
Yes, LINNE Industries offers several payment options to accommodate your budget.
LINNE Industries has the PondHawk in stock. We usually schedule shipping or installation within 10 business days of receipt of order.
Once the hole and trench are prepared, installation of PondHawk takes less than three hours to complete.
LINNE Industries has inventory in stock and can normally schedule your installation within 10 business days.
To Native Americans Indians, the dragonfly symbol signifies happiness, speed and purity. The dragonfly also represents transformation and life’s ever–constant process of change. For the Navajo tribe, the dragonfly is the symbol for pure water. A pondhawk is a Mid–Atlantic dragonfly.

While a PondHawk prototype has been operational in various forms since 2009, the first commercially available PondHawk systems have been in the field since 2014. To date, they’re all working well and none have had to be replaced. PondHawk is made of powder–coated steel and is designed to withstand wind up to 120 mph. The solar panel is UL–listed and has a 25–year manufacturer power warranty. PondHawk’s structural integrity and rugged design remained operational through Hurricane Harvey in Houston, TX. The PondHawk enclosure keeps the equipment off the ground and away from high water.

Don’t miss our PondHawk “Doing Good” Calculator to see our current energy impacts from our fleet of installed systems. Click here

The only requirement for installation is access to the sun. For best performance, look for a location that is shade–free from 10 AM to 3 PM most of the year. Also seek a location with the most open sky in the summer months when days are longer. Note that PondHawk can be installed any time of the year. Our technical team will work with you on a site evaluation to optimize the installation location. It’s as simple as that.
Yes. Even a pond covered in duckweed and algae doesn’t prevent PondHawk installation! Unlike fountains that float on the surface and only circulate surface water, PondHawk diffusers rest on the bottom of the pond and emit tiny bubbles that rise through the entire water column. This action thoroughly mixes the pond water, eliminates stratification, and adds dissolved oxygen throughout the entire pond—not just on the surface. PondHawk has no moving parts in the water that can become clogged with algae, duckweed, or watermeal.

We understand that a large capital outlay can be difficult but holding off on proper maintenance is the single biggest driver of pond eutrophication. That’s why the PondHawk loan option is so beneficial. It allows you to experience PondHawk’s benefits immediately while paying for the cost over time.

Also keep in mind that if your pond is in a neighborhood and it has increased mosquitos and depleted stormwater capacity, the entire community is impacted. While algae and odor control, improved aesthetics, and mosquito management are worthy reasons alone, the real reason to employ subsurface aeration is the present value of the future cost of dredging™ . As the pond continues to age and algae blooms become more frequent, the design capacity of a stormwater facility becomes significantly impaired. This leads to dredging, an expenditure your HOA or golf course should try to push out as long as possible. As a point of reference, the Environmental Protection Agency estimates the cost of dredging at around $170,000 per acre. Think of PondHawk as preventive medicine.

Upfront costs are only part of the equation. The cost of power delivery is almost always cost-prohibitive, and getting an electrical contractor to do the work can be a challenge. The other barrier is getting a permit and an electric meter on what is often a lot with no address. Depending on the unit you consider, your annual electric bill can be significant. Some clients have installed solar–powered PondHawk for the electric bill savings alone. Also, again depending on the unit you are considering, you will have electric wires in the water which means annual removal, maintenance, and storage to ensure that the equipment is safe when reinstalled in the spring. That service can run as much as a new unit. By comparison, PondHawk’s electrical and mechanical equipment sits in the enclosure behind its solar panel, safely above high water levels.
PondHawk’s cost comes from its unique design, and it certainly pays off. PondHawk is the only commercial–industrial grade solar aeration system available and isn’t more expensive over the long term. Customers can easily expect decades of worry–free performance. PondHawk is the only factory–assembled system that arrives complete and ready for installation. Each system includes our proprietary electronic controller, which operates the system in daylight—not just sunlight! This means that unlike other systems, it works early in the morning, late in the evening, in the rain, and in the fog, all without human interaction. Take a look at PondHawk operating in the rain:
Annual service for PondHawk is minimal, and we can develop a package that fits your needs. We offer three service packages. For most of our golf course customers, we provide a guide for the mechanical staff to complete the work in-house. For our commercial customers, we offer a service to regularly monitor the system to ensure it’s performing as required by the Environmental Protection Agency’s MS4 stormwater program. For our private estate customers, we offer an annual check–in to remove insects, check the pump filter, clean the glass, and rebalance the differs, if needed. For all customers, we send an email survey twice/year to encourage feedback on system performance and potential service needs.
While PondHawk requires minimal maintenance, the pump requires maintenance every four years to ensure the system is delivering the volume of air originally prescribed. To meet this need, we encourage customers to participate in our Pump Swap Program. For a nominal fee, LINNE Industries will send you a new or refurbished pump in exchange for your existing pump. We service the pump and add it to the Swap Program inventory. This way, you get a fully operational pump and another three-year pump warranty, and we keep pumps out of the landfill.

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The unique, patented (U.S. Pat. No. 9,290,398) design of PondHawk was created to fulfill the long-term needs of the pond manager. The construction is durable and reliable, working year round to aerate the water even under partly cloudy or freezing conditions.
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Testimonials

We love it. We tried the Pondhawk system in a pond, and the water quality got significantly better in less than one season. We knew that when we reconstructed another pond that we would use Pondhawk again. The installation process is simple to do and is up and running in no time. I would definitely recommend Pondhawk.
Pleasant View Golf Course
Pleasant View Golf CourseMadison, WI
PondHawk aerators working well through the dead of winter in SE Michigan.
Walnut Creek Country Club
Walnut Creek Country ClubSouth Lyon, MI
We’ve installed four PondHawk solutions so far. It keeps our ponds beautiful without the cost of running electricity through our historic course.
Army Navy Country Club
Army Navy Country ClubArlington, VA
Our pond on 4 is so much cleaner thanks to PondHawk bubblers we installed last summer.
Sycamore Hills Golf Club
Sycamore Hills Golf ClubFort Wayne, IN
PondHawk continues to improve water quality even in the winter! We don’t have to mess around with pulling and winterizing. 0 maintenance!!
Walnut Creek Country Club
Walnut Creek Country ClubSouth Lyon, MI
After seeing how well our PondHawk solutions served our course in Arlington‚ we decided to install another at our Fairfax course location.
Army Navy Country Club
Army Navy Country ClubFairfax‚ VA
The fountain price comparison is almost even and the power is free. Since we installed the first unit on 10‚ the water quality is the best it’s ever been.
Rehoboth Beach C.C.
Rehoboth Beach C.C.Rehoboth Beach‚ DE
PondHawk allows us to release higher quality water into the pond by increasing circulation‚ adding oxygen‚ reducing algae‚ and promoting organic decomposition.
The City of Newark
The City of NewarkNewark‚ DE
I am very happy with the products’ performance as well as the ease of installation. It is an amazing aeration system!
Chicago Park District
Chicago Park DistrictChicago‚ IL
Your system at the Dynasty pond looks GREAT!!!!!!! Thank you for the fast install!
Mansion Farm Community
Mansion Farm CommunityBear‚ DE
After extensive market research into on-grid electric aeration and solar electric aeration, the La Reserve community HOA Board of Directors choose to aerate our stormwater pond with PondHawk. The PondHawk system was installed in late spring 2019 in a single day and has operated flawlessly ever since.
La Reserve Community
La Reserve CommunityUnionville‚ PA

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