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4) Ifnuisanceconditionsresultfromthedischarge,dewateringactivitiesmust <br />immediatelyceaseandcorrectiveactionsmustoccurbeforedewateringis <br />resumed.Nuisanceconditionsinclude,butisnotlimitedto,asedimentplumein <br />thereceivingwaterorthedischargeappearscloudy,oropaque,orhasavisible <br />contrast,orhasavisibleoilfilm,orcausesaquatichabitatdegradationthatcan <br />beidentifiedbyanobserver; <br />5) Anoilwaterseparatororsuitablefiltrationdevice(e.g.,cartridgefilters,absorbents <br />pads)mustbeusedpriortodischargeofwatercontainingoilorgrease; <br />6) Waterfromdewateringorbasindrainingactivitiesmustbedischargedinamanner <br />thatdoesnotcauseerosionorscourintheimmediatevicinityofdischargepoints; <br />7) Dewateringorbasindrainingactivitiescannotcauseinundationofwetlandsthat <br />causessignificantadverseimpacttothewetlandintheimmediatevicinityof <br />dischargepoints. <br />8) Iffilterswithbackwashwaterareused,allbackwashmustbehauled <br />awayfordisposal,returnedtothebeginningofthetreatmentprocess,or <br />incorporatedintothesiteinamannerthatdoesnotcauseerosion. <br />iv. InspectionandMaintenance <br />1) Atrainedpersonmustinspecttheentireconstructionsiteandareasadjacenttothe <br />siteatleastonceeveryseven(7)daysduringactiveconstruction,oreverythree(3) <br />calendardaysonaprojectthatiswithinonemile(aerialradiusmeasurement)of, <br />andflowstoaͻƦƩƚŷźĬźƷĻķǞğƷĻƩƭͼasdefined,andwithin24hoursafterarainfall <br />eventgreaterthan½inchin24hours; <br />2) AllpermanentstormwatertreatmentBMPsmustbeinspectedandmaintained; <br />3) AllerosionpreventionandsedimentcontrolBMPsandPollutionPrevention <br />ManagementMeasuresmustbeinspectedtoensureintegrityandeffectiveness. <br />4) AllnonfunctionalBMPsmustberepaired,replaced,orsupplementedwith <br />functionalBMPsbytheendofthenextbusinessdayafterdiscoveryunlessanother <br />timeframeisspecifiedbelow.Additionaltime,iffieldconditionspreventaccessto <br />thearea,maybetaken; <br />5) Surfacewaters,includingdrainageditchesandconveyancesystems,butnotcurb <br />andguttersystems,mustbeinspectedforevidenceoferosionandsediment <br />deposition. <br />a) Alldeltasandsedimentdepositedinareasadjacenttothesiteandinsurface <br />waters,includingdrainageways,catchbasins,andotherdrainagesystems <br />mustberemoved; <br />b) Allareaswheresedimentremovalresultedinexposedsoilsmustberestabilized. <br />Removalandstabilizationmustbecompletedwithinseven(7)calendardaysof <br />discoveryunlessprecludedbylegal,regulatory,orphysicalaccessconstraints; <br />c) Allreasonableeffortstoobtainaccessmustbeused; <br />d) Ifprecluded,removalandstabilizationmusttakeplacewithinseven(7)daysof <br />obtainingaccess;and <br />e) Contactalllocal,regional,stateandfederalauthoritiesandreceiveany <br />applicablepermits,priortoconductinganyworkinsurfacewaters; <br />March2024|wqstrm498 <br />Page 11 of 23 <br /> <br />