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1995-01-26_AgendaPacket
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1995-01-26_AgendaPacket
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Commission/Committee
Commission/Authority Name
Grass Lake WMO
Commission/Committee - Document Type
Agenda/Packet
Commission/Committee - Meeting Date
1/26/1995
Commission/Committee - Meeting Type
Regular
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Grass Lake Watershed Management Organization <br />SEH Quarterly Consultant Report <br />January 19, 1994 <br />Page 2 <br />3. New in-lake phosphorous-algal bloom and phosl horous transparency rela';~nships <br />should be developed based on all available data to assi~;t the Board in evalu~cting the <br />effectiveness of changing phosphcrous loads on lake response. <br />2. Lake Water ®uality Planning <br />On January 17, 1995, a meeting of lake managers, the Technical Advisory Committee and <br />SEH staff was conducted to review the first of three draft lake trend reports. The trend <br />analysis is part of Phase I lake planning. The scope of work, schedule and cost per our <br />December 5, 1994 pending Le'-'er Agreement are attached. <br />To date, we have proceeded ~ . _iy into the anaJ~ -is task - : preliminary trend analysis based <br />on available data. However, during development of she Lake Owasso analysis, more <br />questions were raised than answered regarding response in Lake Owasso and regarding <br />establishment of lake goals. <br />Joel Schilling, Senior Scientist - Limnologist, will attend the January 26, 1995 meeting to <br />discuss the findings on Lake Owasso and what recommended management measures <br />should be considered. <br />One of the primary foals at the outset of the project watt to "do something" with all the data <br />that exists, i.e. the tr,.nds analysis. This appears relatively simple, ear ~~pt that the data does <br />not always conform to represent any particular trend. <br />The second goal was to establish in-lake phosphor.::.. goals for each lake. The goal to be <br />worked towards would essentially define future BMPs around the lake as well as future in- <br />take management techniques. During our meetings with area lake managers, there appears <br />to be widely ranging opinions regarding the applicability of goals to lake management. On <br />one side of the argument for target goals are the state 8410 requirements for Second <br />Generation WMO plans (8410..0100 Subpart 3.A.) and future MPCA guidelines for lakes <br />following the "Ecoregion" approach. (The ecoregion approach is based on lakes situated in <br />a similar ecological setting). <br />On the side against specific lake goals is the argument that there are too many infl~,_~nces <br />on the lake to accurately set a target phosphorous level. Instead, managers should do the <br />best they can to limit impacts to the lake. <br />Following the January Board Meeting, the Technical Advisory Committee will reconvene <br />to discuss the Wabasso and Snail lakes and to finalize the Analysis/Report phases of the <br />project. We encourage the attendance of Board members at these meetings. <br />
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