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  • CentralParkLakeProject#1210007IJFinalReport

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    CentralParkLakeWatershedImprovementProjectWastewaterSystem&WetlandsWIRBAgreement#:1210007IJ

    FINALREPORTforSepticSystemandWetlandConstruction,andLagoonReclamation

    TableofContentsFinancialAccountability

    EnvironmentalAccountabilityProgramAccountability

    FinancialLedgerAppendices

    July17,2014

    JonesCountyConservationBoard12515CentralParkRoadCenterJunction,IA52212

    POC:BradMormann,DirectorOffice:5634873541orcell:3194819004

    [email protected]

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    FinancialAccountability

    WatershedImprovementFundsIJOBS

    GrantAgreementBudgetLineItem

    TotalFundsApproved($)

    TotalFundsApprovedAmended($)

    TotalFundsExpended($)

    AvailableFunds($)

    EngineeringDesignandPermits 14,250 11,024 11,024 0WetlandConstruction 15,456 2,162 2,162 0SepticSystemConstruction 44,250 74,750 74,750 0LagoonReclamation 19,500 5,520 5,520 0Totals 93,456 93,456 93,456 0Difference 0Allfundingwasrequiredtocompletetheengineeringdesignandpermitting,constructionphaseofthesepticsystemsandwetlands,andthereclamationofthelagoon.

    EngineeringDesignandPermitting,SepticSystemandWetlandConstruction,andLagoonReclamationFunding

    FundingSource Cash InKindContributions Total

    ApprovedApplicationBudget($)

    Actual($)

    ApprovedApplicationBudget($)

    Actual($)

    ApprovedApplicationBudget($) Actual($)

    WIRBIJOBS 93,456 93,456 93,456 93,456JonesCo.Supervisors 26,330 26,330 26,330 26,330JonesCo.ConservationBd. 5,444 5,443 1,924 3,029 7,368 8,472JonesSWCD 888 684 888 684EndingBalanceDNRLakeRestoration 38,604 38,604Totals 125,230 163,833 2,812 3,713 128,042 167,546

    WatershedImprovementFundcontribution:Approvedapplicationbudget:73% Actual: 56%Duetotheincreasedactualcostversusprojectedcostoftheproject,thepercentageoftheprojectthattheWIRBFundallocateddropped.TheadditionalcostoftheprojectwasfundedbyaDNRLakeRestorationgrant.

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    EnvironmentalAccountabilityTheoldwastewatertreatmentlagoonservingCentralParkLakewasdecommissionedandreclaimedforwetlandmitigation.Initialmonitoringofthelagoonwasconductedduring2011.TheIowaDNRinpartnershipwithIowaStateUniversityconductsregularmonitoringonthelake(3timesannually).Inaddition,monitoringofthebeachisconductedbytheIowaDNRbeachmonitoringprogramtomeasureE.colilevelsforrecreationpurposes.Additionalmonitoringisnowoccurringatthedischargeofthenewwetlandsitetodeterminetheimpactsofconvertingtheoldlagoontoawetland.Thesesampleswillbetakenfortwoyears,biweeklyMayJuly(6samples),Monthlyafterward(AugJan);3eventsamples.Parameters:ammonia,ecoli,nitrate+nitrite,orthoP,CBOD,TotalKjeldahlNitrogen,TotalPhosphate,TotalSuspendedSolids,watertemp(field),DissolvedOxygen(field),Chloride(field),pH(field).Becausetheconstructionworkontheprojectwascompletedonlyacoupleofmonthsagothereisnotenoughsamplingdatatoformconclusionsatthistime.Table3.SummaryofPracticeGoalsandAccomplishments

    PracticeorActivity UnitApproved

    Goal AccomplishmentsPercent

    Completion

    WetlandConstruction No. 2 2 100

    SepticSystemConstruction No. 4 4 100

    LagoonReclamation No. 1 1 100

    Beforethisprojectwasinitiatedeffluentmaterialfromacampground,showerhouse,camperdumpstationandresidencewerebeingdischargedintoasinglecelllagoon.Now,withtheinstallationof4DNRCertifiedsepticsystems,alloftheeffluentmaterialisbeingtreated.Thesepticsystemsaredesignedtotreatacombined3,750gallonsperday.Aftercappingallpipesleadingtothelagoon,theeffluentmaterialandsludgewaspumpedandremovedfromthelagoon.Then6+inchesofsoilwasdugoutandplacedoutsidethewatershed.Oncecompletelycleanedout,thebasinwasreshapedtocreateashallowwetlandandallowforplantingofthearea.Thevegetationwillimprovenutrientuptakeandstabilizesoils.

    Another1/3acrewetlandwascreatedtocapturesedimentandnutrients.Thiswetlandhasadrainageareaof7.8acres.Itisestimatedthattheaveragesoillossonthe70%bromegrass,30%croprotationwatershedis2tons/acre/year.Thistranslatesintonearly16tons/yearofsedimentmovingwithinthewatershedand90%ofthatmakingitswaytothenewwetland(14tons/year).Beforethewetlandwasbuilt80%ofthose14tons(11tons/year)movingthroughthewetlandsitemadeittotheLakeperyear.The90%sedimenttrapefficiencyofthewetlandmeansthatnowonly1ton/acre/yearismakingitswaytothelake.JeffTisl(IDALSDSCRegionalCoordinator)assistedwiththesecalculations.

    Severalofthegoalsofthisprojecthavebeenmeetsofar.Severalthousandgallonsofeffluentisnowbeingtreatedin4septicsystemsinsteadofflowingintoasinglecelllagooninCentralParkLakeswatershed.Thiswatertreatmenttechniqueisessentialinlimitingexcessnutrientsandotherpollutants

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    fromenteringtheLake.The1/3acrewetlandisnowholdingback10tons/yearofsedimentthatwouldhaveotherwiseflowedintotheLake.Thewatermonitoringprogramwillcontinuetoprovidedataonadditionalgoalachievementswhichwillbedocumentedinfuturereports.

    ProgramAccountability

    Inadditiontotheworkcompletedforthisproject,designworkandpermittingiscurrentlyoccurringona6.6acresedimentcontrolstructureonthemainwatershedtothewestoftheLakeanda1.5acresedimentcontrolstructureonthemainsouthwatershedforthelake.Thesetwostructuresareprojectedtostopnearly480tons/yrofsedimentfromenteringthelake.Inaddition,workisbeingdonetoimplementinparkurbandesignpracticestofurtherimprovethelakeandwatershedswaterquality.

    Thusfarthisprojecthasbeenmovingalongsmoothly.Oncethewatermonitoringdataiscollectedandcompiledwewillhaveabettersenseofthefinaloutcomesoftheproject.

    Appendices

    NorthwestWetland

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    ReclaimedLagoon/WetlandBefore

    ReclaimedLagoon/WetlandAfter

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    ResidenceSepticField

    ShowerHouseSepticField

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    CampgroundSepticField

    DumpStationSepticField