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Group 3; Water bodies that serve a stormwater detention function; primarily aesthetic benefits; <br />primarily residential surrounding use; inactive property association. <br />Harriet Pond <br />Charlie Pond <br />Westwood Village Pond <br />Group 4: Wetlands; primary groundwater recharge; primary buffer for downstream water quality; <br />storm sewer discharge control. <br />Grass Lake <br />Central Park Wetland <br />State and Local Identified Wetlands <br />the c1r~Pi~eYtl elassfiec~tro» .~yste~r~ clnc.r ~~uf assign c«~~~ rrzeaszrr«hle h atei~ c~r~ality s~tcrt~clarc~'s 1o these <br />g~~oz~/~s. I~'or this reason. cr revisE~c1 classificcrti~~j~ .,~1~stem is recormnenc~'c>cl. <br />Proposed GLMWO Classification System <br />The proposed GLWMO classification system contains five categories that will be used by the WMO and <br />Th~r'Lzzrnan ., ~ +i,.,++t,.. +~,- ~,,,,a;~,. ~„+ ,.i.,~~;~:,,,a i... <br />cities to classify water bodies. ....~~ w.,~u...,,., ~..w~ ~~.,,se v~=z,~ti <br />. The water body classification categories <br />are defined as follows: <br />Category I <br />Water bodies in this category have the highest/best water quality and generally meet the following water <br />quality criteria: a minimum summer Secchi disk measurement of at least 1.0 meters and a summer <br />average of at least 1.4 meters, total phosphorus concentrations less than 45 ug/L, and chlorophyll. a <br />concentrations less than 20 ug/L. The Carlson TSI index should be no greater than 55 to meet this <br />management category. <br />Waters that meet these water quality limits are the most popular water bodies to the public. They are <br />typically used for direct contact recreational activities, including swimming, scuba diving, snorkeling <br />Grass_lake_class_system Page 2 10/22/99 <br />