Lake Management Articles

Lake Management Plan

by R.D. Gainar, CEBS
LMC Chairman

For those of you who were unable to attend the Lake Depth Control Sub-Committee meeting on October 28, 2013 describing the Dredge Plan, you also missed a presentation and discussion of our Lake Management Plan. The following are highlights of the Lake Management Plan:

The first step of the Plan involved reorganizing the Lake Management Committee into separate groups to allow more residents to participate and to focus attention on phosphorus and nutrients, the primary cause of poor water quality. The heart of our Lake Management Plan to improve water quality involves the work of three committees. The Lake Level Control Sub-Committee’s focus is on phosphorus that is internally released in our lake while the Lake Sediment/Nutrient Control Sub-Committee’s focus is on phosphorus transported into our lake from the watershed. A third committee, the Lake Depth Improvement Sub-Committee, in addition to dredging our shallow coves, will excavate sediment traps in the back of major coves. These traps will limit the amount of sediment from coming into the lake.

A major component of the Lake Management Plan is to organize a “clean up your own backyard” campaign to educate residents on things they can do to prevent nutrients from entering the lake. It is unreasonable to request nutrient limiting actions outside our community unless we are first willing to do all we can to limit transport of nutrients into our lake from our own properties surrounding the lake. Another component of this Plan is to organize a campaign to lobby our elected state and federal leaders in support of bills that seek to curb fertilizer runoff in our watershed, improve water quality and nutrient management of agricultural operations, and other legislation such as Ohio Senate Bill 150. You will hear more about these programs this summer.

Our lake water-testing program will continue providing valuable data such as phosphorus, dissolved oxygen and clarity measurements to our consultants and committees so they may continue to made responsible, evidenced-based decisions. Testing for algal toxins will resume again next summer as these threats continue to plague all lakes in Ohio.

I think you will agree that much has been accomplished in the short time these Lake Management Committees have been working. However, there is much to do. So if you would like to learn about your lake and participate in its improvements, you are encouraged to join your Lake Management Committee.

March Lake Level Control Sub-Committee Meeting

Lake Level Control Sub-Committee Meeting Minutes
March 12, 2014

Members present include Dave Emick, Tim Langer, Gil Kendrac and Chairman Rick Gainar. Also present were Dell Rogers and Ed Baitt.

Meeting called to order at 2PM at the Association Office.

Items discussed:

  1. Rick Gainar described the development of the Lake Roaming Rock Data Base on which Walt Samson and Rick are currently working. It is an MS Excel spreadsheet containing all lake measurements and samples taken over the years. The database will function as a repository for lake information – past and future from which data may be extracted for analysis in other programs or reports.
  2. Rick described the stream-testing project he and Rick Herd are currently developing. The goal of this project is to obtain information on the amount of nutrients entering the lake via the tributaries as opposed to internal loading.
  3. The Pine Lake Restoration Project was reviewed. Pine Lake (Alberta, Canada) is a large, stratified lake in Canada experiencing excessive algae and nutrient loading. The first Canadian hypolimnetic withdrawal (siphon) system was installed in 1998 and proved to be effective but did not improve conditions as much as they wanted due to external loading of nutrients from the watershed.

Our next meeting is scheduled on Wednesday, April 9, 2014 at 2:00PM. Our regular meeting date is the 2nd Wednesday of each month at the Association Office so mark your calendars!

Meeting was adjourned at 3:30PM

by RD Gainar on December 13, 2013

Lake Depth Improvement Sub-Committee Workshop Report

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Workshop was open to the membership.

Guests were from Lake Erie Ship Repair & Fabrication, LLC of Jefferson, OH. Mr. Joseph Crane (President) and Mr. Justin Gee (Vice President) shared with us the history of the company and presented pictures of their past construction projects. This company was chosen by the committee and voted by the Board to accept their bid for a spud barge and 2 hopper barges for the Lake Dredging Project.

After the meeting, questions were asked by Membership.
1. Is there a contract? – Yes
2. Will the spud barge hold our trackhoe? – Yes, the barge holds up to 90k lbs. Our trackhoe is 33k lbs.
3. What about the hopper barges, how many cubic yards can it carry? – Between 6 ½ to 8 cubic yards.
4. Will the barges be painted? – Yes, the color of the barges will be red inside and out.
5. Where will the barges be put into the water? – At the boat ramp.
6. How long does it take to build the barge? – About 5 to 6 weeks.
7. Will the barges be ready for July 2014 dredging? – Yes
8. Where will you practice dredging? – Plum Creek
9. Where will the dredging start and when? – The target date is July 14th and it will be in Fishman’s Cove.
10. Why Fisherman’s Cove? – EnviroScience sampling methods from 2009 and 2011 indicated that that area had the most siltation.
11. How will we know where and when the dredging is going to be? – Times will be 8am to 3:30pm; the location will be announced on the Website, in the Email Blast, and in the Shores News.

The next workshop will be on Saturday, April 5th at 10am in the Clubhouse. This workshop will be open to the membership.

February Lake Level Control Sub-Committee Meeting

Lake Level Control Sub-Committee Meeting Minutes
February 12, 2014

Members present include Walt Samson, Tim Langer, Todd Gress and Chairman Rick Gainar.

Meeting called to order at 2PM at the Association Office.

Items discussed:

  1. Discussion of Walt’s early work on a project to create a database for all lake measurements and samples taken over the years. Walt advises that the MS Excel spreadsheet is large and unwieldy and will require adjustments for samples captured in the past versus the future. A copy of Walt’s “Lake Roaming Rock Compendium of Lake Sampling Readings” was provided for review.
  2. Grand Lake St. Mary’s restoration activities as they pertain to internal release of phosphorus were discussed. Chemical treatment is primarily used to reduce phosphorus in order to bring the lake under control. Controlling nutrients in the watershed is their long-term goal. Dredging is employed at a rate of <1% of the lake per year solely to improve the depth in waterways for safe-boating.
  3. The recent closing of our lake drain was ordered by the Village in order to prevent the ice from coming into contact with the sewage pipe that crosses a shallow cove. Unfortunately, this brings to an end our plan to remove as much high phosphorus water after the fall mixing as possible.

Our next meeting is scheduled on Wednesday, March 12, 2014 at 2:00PM. Our regular meeting date is the 2nd Wednesday of each month at the Association Office so mark your calendars!

Meeting was adjourned at 3:30PM

by RD Gainar on December 13, 2013

Letter from Marty Hilovsky of EnviroScience

Dear Friends and Residents of Roaming Shores:

My name is Marty Hilovsky and I’m President of EnviroScience, a Stow Ohio environmental consulting firm. For the past ten years I’ve had the privilege of working for your community doing a variety of lake management studies and tasks.

I was asked to sit in on a public meeting held by the Association’s Lake Management Committee to discuss plans for dredging sections of the lake. There were a number of great questions from the public as well as a spirited debate among members and the Committee about the proposed dredging method.

During the meeting I was asked about several items, and I wanted to take this opportunity to clarify a couple of my comments. One of those questions had to do with a siphon system which could be utilized to withdraw high nutrient water from the lake depths and discharge it to Rock Creek. While I expressed the opinion that Ohio EPA would discourage installation of a siphon, such a system could have a dramatic positive impact on the overall water quality of Lake Roaming Rock. For this reason, I believe members of the Lake Management Committee should at least take the next step and explore the potential for a siphon directly with the Surface Water group at Ohio EPA in Twinsburg.

The other comment that I’d like to make involves my recommendations, or lack thereof, regarding the dredging methods being proposed. As most of the community is aware, the dredging technique being proposed has changed over the past year. It’s important to keep in mind the purpose of the dredging. I believe the primary reason to dredge is solely to improve lake access. Dredging is unlikely to improve water quality or the overall health of the lake, and for that reason, I’ve avoided making value judgments about the dredging that is being proposed. Questions discussed at the October 28th meeting like how much should we dredge, how much should we dredge, and how much can we afford are all questions that the entire community should weigh in on and which the Association’s Board of Directors must decide.

The most important point that I’d like to make is that I hope residents of Roaming Shores don’t lose sight of the fact that each of you is fortunate to live on such a beautiful and healthy lake. Despite the issues we all tend to focus on and the arguments that develop, the lake has better water quality than most Ohio lakes, and continues to provide you with excellent opportunities for swimming, boating and fishing. As you also know, it has a top notch fishery that 90% of other Ohio lake front owners only wish they had.

In closing, I would join with one of your neighbors who at the meeting expressed the hope that the community is able to put the divisive issues aside and come together to work toward the betterment of the lake.

The Annual Fall Turnover Algae Bloom

by Richard D. Gainar, CEBS
Chairman, LMC

Did anyone notice the huge algae bloom during the last week of October? That’s because the lake “turned over”. “Turnover” is an annual phenomenon in deep, stratified lakes like ours. Cold, dense water holds at the bottom of the lake during warm weather while lighter, warm water floats nearer the surface above it. The fuel that spikes the algae bloom is phosphorus, the primary enemy of good water quality. While there was only 28 ug/L in the surface water before the turnover, the bottom water contained a much higher 490 ug/L. Phosphorus is released from the organic lake sediment (decayed weeds, leaves, dead algae, etc.) by de-oxygenated water and is held during summer months at the bottom of our lake by the denser water. Every year when the weather cools the top water to a temperature below that of the bottom water, the lake “turns over” mixing all that phosphorus throughout the water column giving algae that annual shot-in-the-arm resulting in a major bloom.

At our November 7th Association meeting a resident provided some test results that seemed to indicate that algal toxin levels in the waters of three coves were well above acceptable levels. However, the subsequent testing of the same waters by our consultants using official Ohio EPA sampling protocol indicated no detectable levels of toxins. It may be that a difference in sample collection techniques accounted for the difference. Nonetheless, residents need to understand that higher toxin levels may be associated with algae scum and should avoid coming in contact with it when possible.

November Lake Management Committee Report

Lake Management Committee Report
by Richard D. Gainar, CEBS
Chairman, LMC

The Lake Depth Improvement Sub-Committee workshop meeting was held on October 28 in the Clubhouse to discuss the details of our Dredge Plan. Members of this committee made a formal presentation to approximately 75 residents in attendance that asked many good questions and commented on their concerns. The Committee’s slide presentation and handouts are currently available on our website for those who weren’t able to attend.

The Dredge Plan has 3 phases. In-lake sediment traps will first be excavated in the back of 10 major coves to first limit additional sediment from entering the lake. Professional lake studies have historically advised us to control incoming sediment before dredging for obvious reasons. This initial phase of the operation is currently underway and will be completed by this spring. The second phase involves dredging the river channels in major coves where river channel water depth is less than 5 feet. The third phase repeats this process removing sediment beyond the river channels. The total cost of phases 1 & 2 of the Dredge Plan is less than $350,000 and will be completed in about 2 years starting next spring.

Presentations by the committee members and our EnviroScience consultant, Martin A. Hilovsky, dispelled a number of misconceptions about the relationship between water quality and dredging. One of the most significant things residents learned at the meeting was that removing sediment from shallow coves, either hydraulic or mechanical, does little to improve water quality – it merely improves water depth. Your Lake Management Committee’s plans focus spending of your dollars on activities that actually improve our lake water quality. Accordingly, the presentation also included a discussion on activities of the other two LMC sub-committees that are charged with improving water quality (Lake Sediment/Nutrient Control Sub-Committee and the Lake Level Control Sub-Committee). The objective of our Dredge Plan is simply to restore lake access to those cove residents that once had such access.

Although the Dredge Plan presented was much less costly than the previous plan, it is also slower to remove sediment. Several residents were concerned about the mounting sediment buildup even though it doesn’t contribute to water quality issues. The Dredge Plan addresses this issue in its first phase of operations. Significant sediment traps are currently being dug from shore in all major coves and will be expanded during phase #2 operations within the lake. The goal here is to stop additional sediment from further accumulations. With incoming sediment controlled, we can take our time (and spend much less money) to remove sediment that has already entered the lake.

Another misconception discussed involved the fact that, due to liability concerns, no Association sponsored dredge operation, whether hydraulic or mechanical, should operate within 30 feet of any resident’s docks. Any movement of lake soil, either real or imagined, near the shoreline may inspire some residents to sue the Association for damages, and the Association is advised against accepting such a risk. That means that regardless of the dredging plan, residents will need to hire a contractor to clear sediment close to their dock. Some residents asked that if proper waivers were obtained from interested residents, could the Association act as an insured contractor using our scoop-dredging rig to clear dock areas. We will investigate this suggestion.

Although your current Lake Management Sub-Committees (19 current members) are only 3 months old, I’m sure you will agree that considerable planning and progress has already been made. In addition to being critical, these members also invest their time and best efforts to work on evidence-based solutions to water quality issues.

November Lake Level Control Sub-Committee Meeting Minutes

Lake Level Control Sub-Committee Meeting Minutes
November 13, 2013

Members present include Gil Kendrac, Dave Flaum, Dave Emick, Todd Gress, and Chairman Rick Gainar. Also present was RRA Board Member Dell Rogers.

Meeting called to order at 2PM at the Association Office.

Items discussed:
1. Discussed the recent lake turnover event that occurred on or about 10/24/2013 and the subsequent algal bloom. O2 and temperature data collected on 10/4/2013, while the lake was still stratified, was compared to data collected after the lake turnover on 10/24/2013. Before the turnover temperatures ranged from 21.5ºC at the surface to 12.5ºC at 31-foot level while dissolved oxygen ranged from 10.4 mg/L to 0mg/L at the 17-foot level and below. After the lake turnover temperatures remained constant throughout the water column at 5.2ºC. Dissolved oxygen was also nearly constant ranging from 1.6 mg/L at the surface to 0mg.L at the 29-foot level.
2. Lake turnover is an annual event at Roam Rock Lake. So is the subsequent, massive algal bloom that follows this event after a few days time. The lake turnover event causes the phosphorus that was released from the organic sediment but held at the lake bottom all year, to mix in the entire water column.
3. We discussed the model siphon that a team of committee members recently installed at the dam using a length of garden hose. Dissolved oxygen data is currently being collected from lake water 5-feet off the bottom. Phosphorus data collection will soon follow.
4. No report from the Lowrey/Martin work group on their investigation of the water/sewage lines that cross a cove near the dam. We will need to understand the effect a freezing, winter drawdown would have on these lines.
5. A discussion ranking 13 advantages of a siphon spillway determined that the committee felt that less phosphorus & nutrients, improved weed control, and ability to maintain lake level for emergency repairs were among the most important. A siphon design with the ability to keep up with 100% of expected water flowing into the lake would be necessary.

Our next meeting is scheduled on December 11, 2013 at 2:00PM. Our regular meeting date is the 2nd Wednesday of each month at the Association Office so mark your calendars!

Meeting was adjourned at 3:45PM

by RD Gainar on November 14, 2013

Sept & Oct Lake Mangement Committee Report

Lake Management Committee
by Richard D. Gainar, CEBS
Chairman, LMC

August and September were very busy months for the Lake Management Committee (LMC). As you may remember, three sub-committees were created in August in order to 1) attract more residents so that work on several complicated subjects can be done simultaneously, and 2) take advantage of the many professional disciplines our residents have to offer. Significant attention will be paid to water quality on the Lake Sediment Control Sub-Committee and Lake Level Control Sub-Committee as well as to improving water depth in our back coves on the Lake Depth Control Sub-Committee. I am happy to report that a total of 19 residents are now working on the committees – a much larger number than the one or two member LMC’s of previous administrations. These committee members are from a variety of disciplines (including engineering, construction, biology, science, business, and many others) and are eager to work to improve our lake. Residents who are not able to attend these committee meetings can find each meeting’s minutes published on our web site and can direct any questions or concerns to the sub-committee chairmen at each Association meeting.

The Lake Sediment Committee worked to develop a methodology and a database to contain all professional collected information from previously commissioned studies and data in order to make good, evidence-based decisions. Their focus will be on excess nutrients and algae to start.
The Lake Level Control Committee decided to work on two projects in the coming months. The first involves creating a “model siphon” using a garden hose installed near the principal spillway in order to collect water samples from lake bottom. This project would allow samples to be tested all year, including through the ice, to obtain a full year’s data. This important data will provide evidence of the water’s chemistry before discharging from a siphon Spillway into the river below.

The Lake Depth Control Sub-Committee was busy designing a scoop-dredging rig we can use on the lake for many years. Already, two track hoes were recently purchased from available funds. In October’s meeting, the committee announced its plans for a 3-phased approach to dredging. Digging a basin to trap incoming sediment in the back of major coves is already underway. These sediment basins created in Phase #1 will be cleared on a regular basis. Phase #2 will begin this summer with the dredging of the channel in Fisherman’s Cove. There we expect to work the kinks out of our “scoop rig” operations (currently and successfully used at Lake Lakengrin) in Fisherman’s Cove before proceeding to the river channel in Rock Creek. All other coves river channels will follow the dredging of Rock Creek channel in order of need as defined in the 2010 EnviroScience Sediment Survey. This way, all cove residents will benefit from some improved depth before we move on to Phase #3 which involves returning to the larger coves in order to widen the area cleared in Phase #2.
In addition to the sub-committee meetings, our lake water testing program results were posted on the web site so residents can see the lab results. So far, the levels of various blue-green algal toxins were below any level of concern defined by the Ohio EPA.

Marty Hilovsky, our consultant from EnviroScience, on his second visit to our lake last month, met with our LMC leaders to discuss our lake management plans. He believes our program is “on the right path”. Marty tested the water’s clarity, sampled from various depths for algae toxins, phosphorus and other nutrients, and measured oxygen at various temperatures. These tests will be repeated by your Lake Management Committee and the results will be used by the various LMC sub-committees and for historic purposes.

Lake Depth Improvement Sub-Committee – Phase 1 Report

Phase 1 Report:

Preliminary Dredging Meetings

  • May
    • Grand Lake St. Marys: Shallow water State Lake in western Ohio currently undergoing a massive hydraulic dredging operation. Started in 1964.
    • Lake Lakengren: Private lake association in western Ohio currently undergoing a mechanical dredging operation. Met during OLCA (Ohio Lake Communities Association) conference.
  • June
    • Army Corp of Engineers: Met to learn which permits would be required for dredging.
    • EPA: Met to discuss dredging.
    • ODNR: Met to discuss dredging.
    • Roaming Shores Village: Met to acquire permits for Dredge Material Disposal Site.
  • July
    • Chagrin Valley Engineers: Designers for Dredge Material Disposal Site.
    • Ashtabula County Water & Soil Dept.: Met to learn rules regarding settlement ponds and Dredge Material Disposal Site.
  • August
    • EnviroScience: Performed depth study for dredging locations. Will use information from 2009 study which cost over $20,000 to perform.
    • Chagrin Valley Engineers: Plans finalized for Dredge Material Disposal Site.
    • ODNR: Registered for permission to build Dredge Material Disposal Site.
  • September
    • ODNR: Paid for permits.

This Dredging project will not increase Dues & Assessments any further. The project can completed without the need to take out a loan from the bank.

Phase 2 report will be in the December Edition of the Shores News.

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