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No. 11 — Wetponds <br />Maintonanco Defoct Condition When Maintenanco Resulls Ezpected When Maintenance is <br />Componont le Noadod t`oriormad <br />General Woter lovel Firsl cell is empty, doesn � hold Line Ihe firsi ca�l to maint.iin et least 4 toel <br />watec of waler. Allhough Iho second cell may <br />drein, Ihe first cell must remain full lo <br />control turbulence of the incoming flow <br />and roduc3 sedimant resusponsion. <br />Tr�sh and Acaimulation Ihal exceeds 1 Tresh and debris remov�d (rom pond. <br />Debris CF per 1000-SF ol pond area. <br />InIeUOullrt InIeV0u11�1 pipe clogged wilh No clogging or blockago in Qie iMet and <br />Pipe sodiment anA/or debris malerial. oullet piping. <br />Sediment Sedimenl accumulalions In Sedimen� removed frem pond boUom. <br />Acewnulation pond boltom lhat ezceeds Ihe <br />in Pond deplh ol sedimenl zone ptus & <br />Bollam inches, usual�y in Iho first cell. <br />Oil Sh��en on Prevalent anA visiblo oil sheen. Oil removed trom water using dl- <br />Waler absorbenl pads or vaclo• tr�ick. Sourco of <br />oil loca�ed and corredod. If chroaic low <br />levels ol oil persisl, plant wnlland ptan�s <br />such As Juncus eftusus (sofl r�sh) which <br />can uptaV;e small concentratinns of oil. <br />Erosirni Erosion of Ihr, pond's sidc Slopes s�ebilized using proper �rosion <br />slopes and/or scourinc� of Ihe control moasures end repalr mc ihocis. <br />poncl bottom, Ihal oxceeds 6- <br />Inches, or wh�re conlinued <br />erosion is prevalent. <br />Seltlemnnt ol Any part ol lheso componenls L�ikelborm is repaired to spocifications. <br />Pond Ihal hns sell�od 4-Inchas or <br />Dike/6emi lowor Ihan the design elovation, <br />or inspedor determines <br />dikeNerm is unsound. <br />IN�mai Berm Berm dividing cells should ba Borm sudaco is leveted so lhat water <br />IevaL (lows evenly ovor enlire length of borm. <br />Overflow Ror.k is missing and soil fs Rocks replaced to specificalions. <br />Spillway exposod al top ol spillway or <br />aulsidn slope. <br />4-42 Volunre V— Runoll Treafinent QMPs Augusf 2001 <br />C� / <br />