Tufts University SolarBees® Inafective on Milfoil

SolarBee on Lake Cochituate

SolarBee on Lake Cochituate

Tufts University scientists presented a paper at the NE Aquatic Plant Management Society meeting in Stowe, VT this January titled “Effectiveness of Solar Powered Water Circulators for Reducing Eurasian Milfoil Growth in a Recreational Lake”. They concluded that the SolarBees® had no measureable impact on Eurasian Milfoil populations in the lake.

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Mill Pond Problems May Have Been Caused by Efforts to Prevent Algae

“High levels of phosphorus suspended in the waters of Mill Pond is being blamed for a massive algae bloom that killed thousands of fish, and now the Southampton Town Trustees say water-agitating devices they approved for use may have created the problem. The Trustees stopped short of blaming the die off on the devices, called SolarBees, but said at a meeting on Tuesday that water samples taken by scientists from the US Geological Survey showed a spike in phosphorus last summer. They fear the Solarbees may have stirred up phosphorus that has settled to the lakebottom over may years fueling the immense bloom observed just before the die off.

Trustee Semlear said Solarbees were in the pond in 2007 but were not working properly at that time. They were sucking up weeds and plant material from the bottom of the pond. They were installed again in the spring of 2008.”

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Lake Champlain Claims ‘No Evidence’


The Vermont Agency of Natural Resources, in cooperation with the St. Albans Area Watershed Association, conducted a study of the effectiveness of SolarBees® water circulators in reducing algae blooms at the northern end of St. Albans Bay, Lake Champlain during 2007. The study found no evidence that the SolarBees® reduced algal concentrations, improved water clarity, or inhibited blue-green algae in St. Albans Bay. The treatment goal of producing an approximately 100-acre zone of clear, low-algae water at the northern end of St. Albans Bay was not achieved by the SolarBees® deployment.


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Comments Made to Map Page

Recently a few comments were made on the Maps page. It was not our intent to allow comments on pages other than the Report your Findings page. Our mistake for leaving that feature on. So as not to lose the comments we have converted them to this post. I the future comments will be limited to posts.

  1. April 23, 2009 at 7:54 am eClearly, there is a problem with Devil’s Lake, it is very apparent by the placement photograph. It should also be noted that the stakeholders of this site are correct in their interpretation that the Solarbee product is clearly not the right product for the correction of the lake’s natural problem. But there is a proven, reasonable and far less costly resolution to this problem.

    I would appreciate someone contacting me so that I might offer a resolution to the Devil’s Lake blue green algae situation. I have no interest in adding to the attached negative comment on Solarbee, although it is rightly deserved.

    Again, there is a problem, the existing proposed resolution is clearly not the answer, but there is a much more reasonable resolution to addressing the immediate problem. Please contact me.

    Jim Dartez
    Reliant Water Technologies

  2. Joseph M Horton Says:

    April 24, 2009 at 6:01 pm ehttp://GreshamOutlook/InvestmentapprovedbyMetroforBlueLakequality
    -Chlorophyll a
    -Kjeldahl nitrogen
    -Eurasian Watermilfoil
    -Cyanobacterial blooms
    All of the above had significant decreased values on Blue Lake. Water clarity increased greatly (by 4 times). Why would a company advertise that Solar Bees do not work on a blog like this and then solicite their business? I will pass a copy of this site on.

  3. April 28, 2009 at 8:26 am eMr Dartez acknowledged that there is a problem with Devils Lake (we agree!), but made two points that I would like to address. First, he indicated that he has no interest in “adding to the attached negative comment on Solarbee”, but then continues to write “it is rightly deserved”. Sounds like he just added to the negative comments. In response, I would like to mention to the readers that SolarBee has now eclipsed the 300-lake benchmark that we are presently treating. No other lake-treatment solution comes close. We acknowledge that our record in successfully treating bloom-green algal blooms is not perfect, but it does exceed the 95% rate and when I went to school that always earned an “A” grade. As an aside, the cases where SolarBees were perceived by some not to be successful were often partial-lake tests that SolarBee, Inc. conducted at no cost to our clients.
    What is “rightly deserved” is the recent acclaim SolarBee, Inc. received by the Artemis Project which just listed SolarBee as one of the top water companies in a world-wide competition of innovators who are making significant contributions to water quality.

    Second, a little truth in advertising would be appreciated. Mr. Dartez is a representative for Reliant Water Technologies. His firm sells products that compete with SolarBee. I have no problem with competition – it makes us all better at what we do. However, it is appropriate that when your primary motivation is to sell a product you state this. Otherwise, the comments appear a bit disingenuous.

    Somehow lost in website exchange is that the Devils Lake Water Improvement District (DLWID) conducted a two-year search and analysis of methods to deal with the cyanobacteria problems at their lake. They reviewed biological, chemical, and non-chemical approaches to deal with the problem. They reviewed product performance, cost, service, and scientific support. At the end of this exhaustive search, they concluded that SolarBee circulators provided the best solution for their lake. To my knowledge, no competitor has provided a factual basis for challenging the DLWID Board decision.

    SolarBee, Inc. continues to make important progress in better understanding the positive effects of circulation technology in controlling harmful algal blooms. We welcome an open dialogue on solutions for lake water quality and recognize that circulation does not address all problems in lakes. However, if we can keep these discussions factually-based and free of veiled attacks, it will better serve our shared goal of improving and protecting water quality.

    Joe Eilers
    NW Regional Manager
    SolarBee, Inc.

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Council votes to remove circulators from Foster City’s lagoons

FOSTER CITY — Say goodbye to the “space junk.”

The city’s lagoons soon will be free of the solar-powered water circulators that have incensed many residents. After receiving dozens of angry e-mails and phone calls, the City Council voted 3-2 Monday night to terminate its trial of the cumbersome contraptions just two months in.

The city could still be stuck with the $70,000 bill for the six- month rental of the circulators, called SolarBees, which were intended to replace chemicals as a means of combating harmful algae. A report from the North Dakota-based manufacturer suggested that the devices were working — but that wasn’t the issue.

Like many others, Mayor Ron Cox was turned off by the aesthetics. “Once I saw them in the water, I truly don’t think they belong in the lagoons,” Cox said before casting the deciding vote to remove them immediately.

The decision was a victory for the waterfront property owners who have opposed the cumbersome contraptions from the moment they laid eyes on them in March. Several argued that the SolarBees were “a solution worse than the problem” of stagnant water.

Foster City has historically used chemicals to control algae blooms, which stifle animal life in the lagoons. The SolarBees were presented as an environmentally friendly alternative, but residents argued they hurt property values and posed a hazard to boaters.

“They’re a blight and an eyesore,” said resident Dennis Stanwoood, drawing cheers from a large audience.

Former Foster City Mayor Marland Townsend said his beef was with the process by which the city decided to install the circulators. He said the city had failed to search for alternatives to the devices or explain their purpose in a way that residents could understand.

“I have not seen this community this aroused over something in a long time,” Townsend said.

Councilwoman Linda Koelling took an unpopular stand in favor of leaving the SolarBees in for the duration of the six-month trial. She said the city will eventually be forced to stop dumping chemicals into the water, and it needs to be prepared with alternatives when that happens.

Part of the purpose of the test period was to gather data about the water quality in the lagoons.

Fellow Councilwoman Pam Frisella proposed a compromise of removing the SolarBees by July 1, so that they’d be gone before the Fourth of July. Several residents had said they were worried someone could get hurt by running into one of the circulators during the festivities, when the lagoon is crowded with boats.

But council members John Kiramis and Rick Wykoff were adamant that the devices be removed as soon as possible, and Cox cast his vote with them.

SolarBee representative Sandy Walker said she had never seen such a vehement reaction to the circulators. She said they’ve been a big success in Mountain View’s Shoreline Sailing Lake.

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SolarBees® Caught Hauling Zebra Mussels


The company that manufactures these units was caught by an alert Minnesota weight station employee as they attempted to transport thousand of zebra mussels attached to this unit across the state.  This is illegal in many states.  From the Television Report on Channel 5 Minneapolis: A Minnesota weigh station inspector made a big save for the environment Saturday.

The inspector on duty at a St. Croix weigh station caught a truck that was weighted down with thousands of zebra mussels.

“I’ve never heard of a call like this, it was a pretty alert employee at the scale,” said Lt. John Hunt, of the Minnesota DNR Enforcement Division.

Ten thousand zebra mussels covered a pump being hauled from Vermont to North Dakota. The inspector called police and the state impounded the truck and ordered it to be washed.

“Never seen anything like this before,” said truck cleaner Jesse Opine.

It is illegal in Minnesota to transport zebra mussels. The state wants to stop the spread because the invasive species pushes out the native ones.

“They are more powerful, breed quicker and they just take over,” said Lt. Hunt.

The pump that was infested with the mussels was used to suck algae from lakes and reservoirs.

The owner of Solar Bee told 5 EYEWITNESS NEWS, “We are an environmental company and never wanted to transport an invasive species.”

The North Dakota company apologized to the state and is making procedural changes due to this incident.


North Dakota company fined for illegally transporting zebra mussels (August 5, 2008)

A North Dakota company that had its zebra-mussel-infested trailer impounded in Minnesota last fall has been fined by the Vermont Agency of Natural Resources.

SolarBee Inc., a Dickinson, North Dakota-based firm, agreed July 21 to pay a $300 fine and $1,000 for a supplemental environmental project to Vermont for illegally transporting zebra mussels in that state. The company was fined $250 last October for illegally transporting the invasive species in Minnesota.

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Solarbees Won’t Be Returning To Bay

The controversial solar devices used for the past two years in an effort to control weeds on Monona Bay won’t be returning next year. “There just wasn’t any evidence the SolarBees were doing anything for us,” said Genesis Bichanich, a water resource specialist with the city of Madison’s engineering department.

The city first used the floating water circulators in a free trial in 2005, but data on their effectiveness was inconclusive, Bichanich said. This year, the city rented the devices for about $75,000, and could have applied 60 percent of the rental fee to the $225,000 cost of purchasing them.

Five SolarBees were placed in Monona Bay, and a sixth one was positioned in a triangle formed by the railroad trestle and bridge over John Nolen Drive.

The 16-foot-wide, solar-powered machines — which suck water from the bottom of the lake up through a tube and distribute it on the surface over an area of up to 50 acres — were designed to attack blue-green algae by circulating water and disrupting the habitat.

Some residents around the bay were optimistic the SolarBees could help eliminate smelly, and sometimes toxic, blue-green algae blooms, as well as reduce weeds and improve water clarity.

But the state Department of Natural Resources and UW-Madison faculty warned they could actually create algae blooms by stirring up nutrients in the water.

Jeff Swiggum, a member of Friends of Monona Bay who lives off of the bay on Lakeside Street and walks by it each day on his way to work, said he was “rather ambivalent” about the SolarBees.

“There was no real good data prior to their placement,” Swiggum said. “There were a lot of weeds out there this year. Could there have been more had we not had SolarBees? We don’t know.”

Swiggum said he’s not upset to see them go.

“There may be some people who look at the SolarBees as finally, the city is doing something. It may be more symbolic. … On the other hand, there were a lot of people who felt they were a big waste of money,” he said, adding that some residents saw the devices as “big ugly thing collecting bird feces.”

“Maybe having weeds in the bay is not such a bad idea,” Swiggum said. “Without weeds, it can just become an algal cesspool.”

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Our Relationship With the SolarBees® Manufacturer and Their Competitors

We have no affiliation with the SolarBees® manufacturer but we will soon contact Joel Bleth President to explain in person what we are about and what we are not about. I also wish the company to have a direct line of communication to nosolarbees.com, because that is what we are all about is open communication. I will extend an invitation to the company to post comments on the blog if they feel it will add to our understanding. We will withhold the right to directly author posts to our site, but will consider any information the company provides as a potential post. The company can use comments on existing posts and their blog at www.solarbeesworkgreat.com to post any new information it feels relevant. We hereby, declare our recognition that of SolarBees® is a registered trademark of SolarBee, Inc of Dickinson, ND and will endeavor to indicate its status in our posts. For the unintentional reference that does not contain the ® mark and for all references in comments or quotation from media sources that are not so mark we apply this blanket reconciliation of SolarBee, Inc’s right to the mark.

We are not associated with nor have we every made contact with a lake contractor involved in the business of chemical application, weed removal, or test and measurement of water quality. Devil’s Lake has no recent history of chemical treatment, therefore this debate should be free from the outside influences that have been suggested in other areas. We are not associated with nor have we every made contact with any limnologist.

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SolarBees® Removed from Lake Steilacoom

SolarBees® aeration systems were sold to the City of Lakewood with the promise of solving a water quality and toxic algae problem that has plagued this lake for years. They were removed and returned to the company after a on year trial. The president of the lake association indicated that they failed to meet 8 of 10 performance promises.


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Our Mission

“Provide a forum for Devil’s Lake Stakeholders”

This is a non-commercial single issue blog, whose primary goal is to promote a fair discussion on water quality issues on Devil’s Lake in Lincoln City, Oregon. That said let’s be clear, this blog was created in support of our position, that SolarBees® should not be installed on Devil’s Lake. If your position is counter to ours, that’s ok, we value your input as long as you follow our Rules for Posting and Commenting.

Please do not expect our site to advocate your position. There are four sites available that advocate the placement of SolarBees® on Devil’s Lake, locally there’s www.dlwid.org and www.dlwid.blogspot.com, nationally there’s www.solarbee.com and www.solarbeesworkgreat.com, feel free to pay them a visit. Still feel like your opinion isn’t getting the forum it deserves? I suggest you start your own blog.

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