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1999-10-07_AgendaPacket
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1999-10-07_AgendaPacket
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4/15/2010 3:31:15 PM
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4/13/2010 3:11:11 PM
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Commission/Committee
Commission/Authority Name
Grass Lake WMO
Commission/Committee - Document Type
Agenda/Packet
Commission/Committee - Meeting Date
10/7/1999
Commission/Committee - Meeting Type
Regular
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Category iv - utrient Traps <br />No numeric standards for water quality parameters are defined for this category. Water <br />bodies in this category are intended to reduce downstream loading of phosphorus and other <br />nutrients that contribute to water pollution. These ponds are generally artificially modified to <br />improve their nutrient trapping capacity. These ponds may become hypereutrophic, and <br />frequent summer algal blooms would be considered normal. These ponds are designed to <br />have phosphorus removal efficiencies of at least 50% and the depth of these ponds should be <br />managed to prevent or reduce odors associated with algal blooms. <br />Category V ®Sedimer~t Traps <br />These water bodies are similar to category IV water bodies, but are too small to effectively <br />remove a significant fraction of nutrients. These basins will generally have phosphorus <br />removal efficiencies of < 50%. <br />® ana a star is <br />WMO-managed water bodies are those waters that have broad watershed significance; they <br />are important to more than just the municipalities in which they are located. WMO-managed <br />water bodies will be classified according to their existing water quality, use, and/or the <br />presence of ecologically or biologically unique resources, using the proposed classification <br />system. This will be called the "existing classification." The WMO will then need to <br />determine if the water bodies should be managed to maintain or improve their water quality - <br />the "management classification." The following guidelines will be used to determine the <br />criteria for designating water bodies as "WMO-managed:" <br />® Water bodies or streams that receive drainage from more than one municipality. <br />® Water bodies that are important regional resources for either 1) recreation (i.e. <br />swimming, boating, adjacent regional park or other public property, etc.), or 2) wildlife/ <br />natural resource reasons. <br />® Water bodies that directly discharge into a significant downstream resource as determined <br />by the WMO. <br />® Water bodies that have higher water quality than typically found in similar lakes, ponds, <br />or streams. <br />Grass_lake_class_system.doc Page 4 09/27/99 <br />
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