Lake Management Articles

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Lake Management Techniques: Erosion Control

By Gerald Dixon – Lake Management Committee

The brown color of our lake is the result of suspended bits of rock and soil in the water. This suspended material is called sediment. Sediment is generated by erosion, which is a geological process in which earthen materials are worn away and transported by natural terrestrial and aquatic forces, as well as human and animal influences. Lake sediment causes un-navigable waters, unwanted green algae blooms, and weeds among other unseen detriments to a healthy lake.  Shoreline erosion contributes significantly to our lake’s sediment and water quality issues.  Most homeowners will not dispute the fact that Rock Creek’s watershed is a carrier of sediment.  But another major contributor is our thirty miles of shoreline. Here are some of the aquatic forces that lead to our shoreline erosion:

Waves: Wave action can displace loose soil when the soil composition isn’t right for the area and natural vegetation has been removed.

Ice: When lakes freeze and then melt, sheets of ice are pushed up onto the shore. This is occurring more and more frequently as water levels rise and fall.

Storm Water: As storm water moves over loose soil, layers of the soil are removed in “sheets” leading to something called “Sheet Erosion.”

Flowing water: Run off from the lake’s watershed and flow of material contribute to the overall deposits.

Splash or heavy rains: Precipitation and storm water hitting loose soil cause heavy displacement depending on the slope of the property.

Human influences also cause shoreline erosion to happen. This is often referred to as “accelerated erosion” which happens much faster than natural erosion and is much more challenging to reverse. Sometimes, people who are trying to help control shoreline erosion are actually causing much more damage in the process. Removing vegetation in order to create more visibility and access to the water not only destroys many natural habitats, but gets rid of the natural erosion control that plants and tree roots offer.

Aquatic plant removal can have a similar effect. Shallow lakes, such as ours, tend to have more aquatic plants near the shore. These plants help protect the shoreline from erosion by reducing a wave’s energy before it comes in contact with the shore. When too many aquatic plants are removed, the ecosystem in the lake is not only damaged, but the full erosive force of waves is able to hit the shoreline and cause damage there too.

When home owners install impervious surfaces such as driveways or permanent structures, that surface area is now unable to absorb water from precipitation. This precipitation will therefore cause erosion instead of absorbing into the soil naturally. Paved sitting or observation areas beside the lake and long docks have a dramatic effect on the shoreline.

But the most severe erosion from human influence is created by watercraft.  When boats are design to create waves, such as those we wish to board behind without a line, the damage to shoreline is the greatest; fortunately, deep water waves are not as damaging as shallow water waves.  This is the principal reason our “No Wake Zones” were created.  Unfortunately, the majority of boat operators do not slow to minimum steerage speed as required by the regulation.

Again, what we do on our properties can affect the lake, so always consider it when you make changes, especially along the shoreline. We should all do our part to “Save our Lake” and as always…

Be Lake Responsible

Lake Management Techniques: Algaecides

By David Ernes – Lake Management Committee

In an upcoming series of articles, the Lake Management Committee will be presenting a brief overview of the mitigation options we are investigating for our lake. The purpose of these options is to reduce the frequency and intensity of harmful algal blooms (HAB). The techniques can be summarized as being mechanical, biological or chemical in nature.

Algaecides are one example of a chemical option. While they kill the algae population, they are not retained in the water column. Instead they either sink to the bottom and become mixed with the sediment or breakdown to a form that is no longer effective. As such they must be applied at a frequency that is determined based on the characteristics of each lake (e.g. nutrient sources). It is important to realize that the effectiveness and longevity observed for one lake is unlikely to be predictive for another lake, like ours.

The two most common types of Algaecides used for HAB’s are based on either copper sulfate or hydrogen peroxide. The former has been used for years and is highly effective at killing cyanobacteria. While most people have heard that copper can be toxic to fish, plants and other species, this side effect largely depends on the form of copper used and its dosage. There has been a lot of discussion lately related to the use of a new copper-based product, LakeGuard Blue, which was used successfully at Chippewa Lake. They reported no adverse effects. Since the product allows the copper to stay suspended in the water column for up to 24 hours, a lower dose can be effective.

The RRA Board, as well as members of the LMC and EAC, recently attended a Zoom call with representatives from Chippewa Lake. We also hosted a representative from BlueGreen Water Technologies, the manufacturers of the product, at our lake. Both spoke highly of the product, and its efficacy. However, there is no guarantee that we would see the same success or longevity. The supplier also advocates testing to be used in conjunction with the product for the best outcome.

The second product, often referred as SPC, or PAK 27, breaks down in contact with water forming hydrogen peroxide. The released peroxide destroys cyanobacteria and has the added effect of also breaking down the toxins that can be released when they die. SPC does not accumulate, rather it further breaks down to water and oxygen. The disadvantages are a higher cost, and the fact that it is not as effective as copper on HAB. BlueGreen has a product, LakeGuard OXY, with the same suspension properties as the Blue product and is currently being evaluated in Florida.

Overall, these products are suitable for their intended application. However, as stated above, they are not a long term solution and have some disadvantages. In fact, where copper was used on a lake over a number of years, they saw the need for increasingly higher doses to achieve the same desired effects. And the longer it is used, the greater the chance for the buildup to cause negative effects.

These are just two of the options being investigated. Their advantages and disadvantages will be compared with the others. Then, in conjunction with the results of the Nutrient Budget, and the advice of experts, we will work to develop both short and long term plans for our lake.

Be Lake Responsible

Leaves a Falling

Edited by Dave Ernes – Lake Management Committee

Once again it is time for the annual falling leaves article. By the time this article is published, we may be days or weeks away from the time when the trees become a painting of fall colors. The problem starts once they fall.

Every year, it is a good idea to remind residents that blowing their leaves into the lake is wrong, and that you can be fined. (The fines range from $100 for first offense to $300 and loss of membership rights for the third.) This also applies to grass clippings and other lawn debris.

Why is this the case? Because leaves are high in nutrients. The Planet Natural Research Center web site states that 50-80 percent of the nutrients that trees absorb end up in their leaves. If the leaves end up in the lake, they will decompose, releasing their stored nutrients that are then available in the fall or next spring to trigger algal blooms.

If you think this is an issue just for those living on the lake, leaves accumulating in the drainage culverts in off-lake properties can breakdown and the resulting high nutrient “tea” will flow into the lake through fall rain events.

What you CAN do:

  • Some articles suggest leaving leaves on the lawn as it becomes dormant during the winter. However, too thick a mat could result in mold formation and thick mats can smother the lawn when it tries to awaken in the spring.
  • Most articles suggest that you mulch your leaves when mowing.  Mowing more often in the fall will allow your mulching mower to do the hard work for you. When they are mulched into small pieces, the nutrients can be extracted much easier by water or rain and become absorbed by the soil (not the lake!) reducing the need to use as much commercial fertilizer in the spring. And it’s free!
  • The old answer of course is to bag your leaves each fall.  You can always have your landscaper do it for you, or a young student looking for some quick cash. Whoever does it, they should all follow the guidelines of the Association.
  • If you do collect the leaves, and don’t want to use them to protect your plants or to produce compost, you can dispose of them, along with other fall debris, in the Village’s Compost Site rather than the trash. This site is a great Roaming Shores resource! (A key can be obtained from the RRA office or Village Hall during normal hours. Special arrangements can be made to keep the key during off-hours.)

With the help of all our residents continuing to act as stewards of Lake Roaming Rock, our combined efforts will eliminate one more threat to the health of our biggest asset.

(Original Article written by Tim Langer)

Remember to Love the Lake and Be Lake Responsible

Lake Management: A Nutrient Budget

By David Ernes – Lake Management Committee

As we have stated before, reducing algal blooms is the primary focus of the LMC in this phase of our overall Management Plan. The two common ways to do this are either through the use of algicides or though the reduction of nutrients. Chemical algicides are effective and fast, and are being investigated but they are a band aid and are not a long term solution. And they have some drawbacks that must be understood. The best solution is the control of excess nutrients. Nutrients come into the lake from several sources such as the legacy sediment deposited on the lake bottom over the 50+ years of its life, or from the watershed (via run-off from yard fertilizers and agricultural operations or the streams and tributaries).  With a  Nutrient Budget or Water Quality Model we will establish the percentage that each source contributes to the overall nutrient load for the lake. And from that information we can focus on the mitigation practices that have the best chance of success. (A Budget is also one of the common features one sees in any successful Lake Management Plan.)

The RRA Board has approved the requisiton of a Budget for our lake. At the same time, the LMC is researching various mitigation techniques that address the algae blooms. Once the Budget is completed, we can select those techniques that will have the greatest impact both short-term and long-term while being financially responsible. And once the nutrients are better controlled, we can then move on to other issues such as aquatic vegetation control.

As we wait for the results, we are also looking at simple changes that can impact our lake. One such change approved by the Board was a combined effort by the LMC, the EAC and the RRA maintenance department to alter the mowing practices of the RL lots. In those areas adjacent to the water’s edge or bordering the neighboring farmland, the native vegetation will be allowed to grow unimpeeded, creating a Buffer Zone to absorb nutrient runoff.  This does not cost anything to implement and will actually help the maintenance department. Creation of Buffer Zones is a practice we have often suggested that homeowners can adopt where feasible. Therefore, it is suggested again that you examine your lot and see where you could incorporate a similar practice. Several recent articles have addressed this option. The search for other  “quick hit” options will continue.

 We are moving forwards, and with everyone’s help and patience, we all will continue to…

BE LAKE RESPONSIBLE

Lake Management: What’s Happening

By David Ernes – Lake Management Committee

No one can deny that this has been an unusual year with the Global Pandemic affecting every part of our lives. As consequences of this situation, it has not been possible to report on the activities of the Lake Management Committee (LMC) normally done at the monthly Board Meetings. Therefore, we wanted to take this opportunity to update you on the activities being conducted in the interim in anticipation for a time when things can get back to ‘normal’.

The first item is that we contracted for the generation of a Bathymetric Survey of the lake. This creates a depth profile of the lake along with a vegetation distribution and hardness evaluation. (Note: This survey was approved and authorized prior to the start of the Pandemic.) This survey yielded significant information for a number of activities. The depth across the lake, in combination with a sediment depth survey conducted last year, can be used to select areas for dredging. The total lake volume that was also measured is necessary to determine dosing levels for any whole-lake chemical remediation efforts, should they be necessary. The resulting three-dimensional map will help to locate optimum sites for the placement of aeration systems, or fountains – two options being evaluated. And the depth can help to illustrate the reason for adherence to no wake areas since a boat’s wake can extend up to ten feet below the water’s surface. It also helps to point out the need to maintain the 75-foot distance from the shore for any boating activities. And our fishermen can locate optimum spots for their excursions.

Second, we continue to monitor the level of bacteria, and algal toxins at the beaches to assess the safety of on-lake activities. The results are reported weekly in the Monday E-blast.

Next, while whole-lake vegetation management is a long-term goal, it is not possible to move forwards on this until the nutrient levels responsible for algal blooms have come into control. This is the reason for the AquaDock program; a more focused program contracted between the company and the individual lot owners. We will be evaluating its positive and negative issues later in the fall once it is competed.

Lastly, we are currently starting a process to evaluate different mitigation efforts for the lake to manage nutrients and reduce algal blooms thereby improving the appearance of our lake. We hope to be issuing articles in the coming months describing these practices, some of which were mentioned above. These articles will present each alternative without any determination as to whether they would (or should) be implemented on our lake. The only criteria is that they have shown to work in the intended application. In conjunction with other resources, we will then evaluate each one, looking for the best option for the long-term health of the lake while being financially responsible.

Now is also a good time to look at your property to make sure you are a good steward for the community as a whole. Also pay attention to your behavior on the lake while boating to insure that all residents can enjoy this unique advantage. So as always…

BE LAKE RESPONSIBLE

Geese Update

By Richard D. Gainar, CEBS – Lake Management Committee

Well, the summer is here, and I’m soon expecting to see the grass start turning brown.  But what I haven’t seen much of yet is the familiar sight and sound of our Canada Geese flying overhead.  There are a couple reasons for this.  The goslings have grown out their first set of feathers and the adults have completed another molt and are not yet ready to fly.  Early flights will be quite short for a couple months while the goslings develop the strength necessary for the long migratory trip.

Geoffrey Westerfield, ODNR Assistant Wildlife Management Supervisor, reports that in Ohio, both statewide and in NE Ohio, he is seeing fewer geese complaints this year.  “Our nest permit and roundup permit numbers were also down.”  Geoff says “I am sure that COVID is helping that by allowing folks to chase geese when they normally would be at work, but
I am also assuming that folks are figuring out the right tactic for their location to keep geese moving.  Farm complaints are up a bit with good timing between crops going in the ground during goose molt season.”

I also feel that we’ve be doing a good job here at Lake Roaming Rock to keep geese moving too.  Goose management techniques for the next few months ask us to commence harassment as soon as geese can fly again.  Again, 3-4 days of consistent harassment will get the geese to move on.

Be Lake Responsible.

Lake Management – Best Practices

By D.Ernes – Lake Management Committee

We are all going through many new experiences as a result of the Covid-19 pandemic. Everyone is  doing things differently, if at all. Our focus, as it should be, is on the health of our family, friends and neighbors. These should be paramount as we move through this historic period. As the days warm, and the trees and flowers bloom, we begin to look outside. And that includes our lake. While the situations may limit what we can do on a whole lake approach this year, we can still pay attention to the simple things that each of us can do to help protect our greatest asset. Over the years, the Lake Management Committee (LMC), has written many articles on topics that are important for our lake.  Here are a few examples of practices that can have a positive impact on our lake.

Fertilizer – If you must use fertilizer, use phosphorous-free and slow-release nitrogen products. Test your lawn first to make sure you use the proper types and amounts (this could also saves you money!). Don’t apply fertilizer prior to a major storm, as most of it will end up in the lake and not in your lawn!

Lawn maintenance – When mowing your lawn, do not blow the clippings into the street or, more importantly, into the lake. If you see your neighbor or a lawn service discharging clippings or debris (leaves, etc.) into the lake, talk to them and encourage them to use another approach. They can contact the LMC through the RRA office or our email address and we would be happy to discuss this with them if they wish.  Use the compost site which is the best location for your yard waste.

Landscaping projects – When doing a new construction or an upgrade to your lawn-scape, think of the lake. We have written articles on buffer zones and rain gardens that can be both attractive as well as help to reduce nutrient run-off into the lake. Make use of silt barriers as appropriate.

Pets – Remember to pick up after your pet both in your lawn and when walking them through the neighborhood. The waste can add nutrients into the lake and can also affect the bacteria – especially at the beaches.

Cleaning Products – This is the season to wash our cars, our boats and maybe the siding on our house. Some detergents will be detrimental to the lake. There is a list of “green” products on the RRA website that can do the job while being good to the lake.

Overall, think about what you do outside. What is in your yard, may end up in the lake, even if you do not live right on the lake. The watershed for our lake is very large, so everyone should think about this. Just remember – the health of the lake effects the health of our community.

BE LAKE RESPONSIBLE and STAY SAFE

When You Feed Geese

By Richard D. Gainar, CEBS – Lake Management Committee

 The Canada Goose is one of the most beautiful animals in the world.  But in recent years, flocks of local-nesting or “resident” geese have become year-round inhabitants of our recreational areas, waterways, and residential areas, where they can cause significant problems.

When you feed geese, you convince them that Roaming Shores has a year-round supply of free, easily-accessible food – too nice a place to leave.  Thus some of these migratory birds have literally stopped migrating.  Winter food shortages used to induce their yearly flight south, but free food handouts from naive citizens and their guests–who think they’re doing the geese a favor–can short-circuit millions of years of evolutionary instinct compelling the geese to stay put.

In actuality, you aren’t doing the geese any favors when you feed them (or any other wildlife).  Bread and popcorn are incredibly harmful to both individual animals and entire populations.  Filled up on junk food, the birds won’t seek out the natural, protein-rich staples of their usual diet, leading to widespread malnutrition and wing deformity in goslings.  Further, biologically unsustainable population spikes lead to the quick spread of Enteritis, Aspergillus, and Avian Botulism, diseases that have killed scores of birds across North America.

Hand-feeding doesn’t just hurt birds.  Unwieldy bird populations are also potentially harmful to humans: goose feces contain E.coli, Salmonella, Campylobacter, and Cryptosporidium.  Exposure to contaminated droppings can also cause Swimmer’s Itch and hypersensitivity pneumonitis.  Feeding (and pooping) usually occurs in the most accessible areas, making a mess of heavily used walkways, lawns, boat ramps, docks and parking areas.  In the Shores, goose poop is everywhere.  

The long-term answer is acting responsibly when we interact with our environment – do not ever, under any circumstances, feed a Canada Goose.  And if you see someone doing it, politely inform them that despite their good intentions, they are actually harming the animals by malnutrition, increasing disease vectors, and preventing them from migrating.  Be Lake Responsible.

Goosebusters: Good job so far!

By Richard D. Gainar, CEBS – Lake Management Committee

I have begun to see goslings hatching out around May 1st.  We did a pretty good job neutralizing the goose nests that were located earlier thanks to the support and reports we received from many concerned residents.  Now and through June is the time to be vigilant in watching for goslings and begin harassing them the day they show up.  The longer you wait, the harder our job is to get rid of them. 

According to Geoffery Westerfield of the ODNR, harassing the goslings is very important for limiting the number of resident geese on our lake during the rest of the year.  Separating the goslings from their parents even for a short time is an effective form of harassment.  Geoffery advises that whenever you can, try to separate goslings from the adult geese by stepping between them shooing the goslings away from the adults by waving your arms and making loud noises (do not make contact).  “Don’t stop anywhere short of the geese leaving your property”, says Geoffery.  Simply chasing them to the water or the neighbor will not keep the geese off of your property (and is actually also counterproductive).  Geese will “shift” around the property, especially those without goslings.  Keep up the consistent and persistent harassment. Your goal is to send the message to the adult geese that your property is not a safe place to raise their young and to the goslings that Lake Roaming Rock can be a scary place.

June 1st is an important date.  Geese will begin to molt (i.e. lose their flight feathers) around June 1st.  If you don’t harass them off the property by that date, it becomes very difficult to remove them and you will likely be stuck with the geese till mid-July.

Geese excrement is a contributor to the E. coli levels in our lake.  In addition, it provides excess nutrients that feed the algae and weeds.  We love our geese, but a few less wouldn’t hurt either.  Thanks for being lake responsible!

 

Aquatic Weed Control at Private Docks

Roaming Shores Lake Management understands that aquatic plants can offer many benefits in our lake, and some native plant growth is essential in maintaining a balanced ecosystem.  However, aquatic vegetation can quickly turn into nuisance growth when invasive plant species, most significantly Eurasian watermilfoil, crowd out native species, and thus negatively impact enjoyment of boating, fishing, swimming, and beauty of our lake.  Watershed infusion of excessive nutrients over the past several years has exacerbated the problem.  Our Board of Directors has received many complaints from residents indicating that weed growth needs attention to help ensure the future of the lake.  After much research and review, the following program was approved at our Rome Rock Association meeting on Thursday, March 5, 2020.

Aqua Doc is a well-known, licensed, experienced, and reputable company based in Chardon Ohio.  It provides a variety of services throughout the state of Ohio including weed control for both private lake communities and the state of Ohio waterways, including the Metro Parks System and ODNR-managed waterways.   Aqua Doc has been approved to provide weed management services for any lakefront property owner who chooses to utilize their services for the 2020 summer season.  Please note this is the ONLY aquatic weed treatment permitted in our lake.  Private use of herbicides in our lake is prohibited and subject to a $1000 fine.

The services will begin in May and be repeated monthly during June, July and August.  Aqua Doc will provide a season cost quotation to each lakefront property owner based upon the length of their lakefront according to County real estate records.  Treatments are calculated out 30 feet from dock.  The nuisance weeds particularly targeted are those that are submerged and grow to form mats on the water.  Algae is not controlled by these products.  Contact herbicides will be used which rapidly breakdown into basic carbon, hydrogen, and oxygen and are non-detectable after 24 hours.  They are approved by the EPA after 10 years of laboratory and field testing by both the EPA and a third party.  They are reregistered and tested every 15 years.  The products will be applied in low dosages and have been determined by the EPA to be safe for fish and humans.  There is no swimming restriction required after application of the products; however, Aqua Doc recommends allowing 1-2 hours of no boating or swimming in the area of application to enhance weed absorption and control effectiveness.  Because the products are contact herbicides, lot owners should not use the treated water to irrigate lawns, etc. for 72 hours after application.

We need a minimum of 50 residents to sign up for this service.  THIS IS NOT A TREATMENT FOR OUR ENTIRE LAKE!  Our lake is 550 acres.  Each 50 resident sign up averages .0006% of our total lake.  The agreement for this service will be between the property owner and Aqua Doc.  Aqua Doc will calculate the total cost for your specific lot in the manner listed earlier.  There is no additional markup, and any questions or comments will be between the property owner and Aqua Doc.  Please understand, this is not a magic bullet for our lake and will not address the algae issue.  It is only weed management and will continue to be augmented by utilizing our weed harvester for channel areas. 

An informational meeting originally scheduled for Saturday, April 4, was cancelled because of our Governor’s mandate.   In lieu of this we encourage all residents to submit their questions to the association office or email them directly to lake management at  romerocklmc@gmail.com.

You may contact the Association office to sign up for this service.  Aqua Doc is also sending letters to each lake front property owner informing you of how this will work and providing additional information.

We continue to focus on all aspects of a healthy lake including weed management, aquatic life, sediment control and water quality.  Additional programs and activities are being reviewed.  Thank you for your interest and your commitment to our entire lake community!  This program will be reviewed and evaluated at the end of this year to determine how well it worked for everyone.

We want to thank our Lake Management Committee for their efforts in finding effective, environmentally appropriate, cost effective ways to enhance and preserve the most important asset of our lake community, Lake Roaming Rock.  We also want to thank you, the members for your shared commitment to this same cause.

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