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option is participation in MPCA's Clean <br />Lake Monitoring Pro;rasn (CLMP) (water <br />clarity only). Higher cost option is <br />participation in Met Council's Citizen <br />Assisted Manitorin� PraQram (CAMP). <br />Conduct 2 $1,500 -$2,500 Decoznposition of the barley straw <br />experirnental in- for straw plus generates natural al�al growth inhzbitor. <br />lake treatment with labor to install This technique has been used with some <br />barley straw in lake success to control aloal blooms in small <br />lakes and ponds, managing the symptoms <br />of the problem rather than addressing the <br />causes (i.e., high nutrient loading}. It is of <br />low enough cost, hawever, that it may be <br />appropriate to try it and see how it works <br />on Bennett Lake. Appropr�ate initial dose <br />is 200-4001bs/lake acre (2.5-5 tons of <br />straw total). <br />Control curly leaf 2 $800 - Curly leaf pondweed is an exotic invader <br />pondweed $2,500/yr that degrades water quality during the <br />summer recreation season. Options for <br />control are periodic harvestin� or <br />herbicide treatments. Emphasis should be <br />to control clpw whiie pzomoting growth <br />of native submergent macrophytes. If <br />harvestor is used, landing anay have to be <br />constructcd, presumably with City staff <br />labor. <br />Treat runoff from 2 $10,000- Possibi3ities include creating rainwater <br />high priority, $i5,004/site garden/filtration bed ta catch and treat <br />highly maintained plus runoff from athIetic fields �vest of Lake. <br />pervious areas in maintenance Conduct assessment to evaluate feasibility <br />direct drainage (engineerin�, suitability of soils, ctc.), <br />estimate s ecific costs. <br />Treat runoff from 3 $2p,0aQ - Possibilities may be Central Park parking <br />high priority $SQ,OOO/site, lot west of Lake and Lexin�ton Avenue. <br />ixnpervious areas in plus Treatment wouid utilize sub-a ade s�viri <br />direct drai�tage. maintenance concentrators or equivalent, possibly <br />discharpin� to filtration/in�iltration <br />feature. Conduct feasibilit�� study to <br />evaluate physicai feasibiiity, estimate <br />specific cosis. Flat pipe �rades a potential <br />rohlem. <br />City of Raseville �6 <br />Pc�rks 1Vatiiral Resoiirce Managel�ierit <br />