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  • Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:
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June 10, 2016 Ms. Tasha McKee Sanctuary Forest Inc. 315 Shelter Cover Road, Unit 4 Whitethorn, CA 95589 Dear Ms. McKee: Subject: Reissuance of Notice of Applicability (NOA) for Coverage under the State Water Resources Control Board General 401 Water Quality Certification Order for Small Habitat Restoration Projects: SB12006GN File: Baker Creek Terrace Groundwater Recharge Project, WDID No. 1B16263WNHU, ECM PIN No. CW‐823636 On April 2, 2016, Sanctuary Forest Inc. submitted to the North Coast Regional Water Quality Control Board (North Coast Water Board) a Notice of Intent (NOI) to comply with the terms of, and obtain coverage under, the General 401 Water Quality Certification Order for Small Habitat Restoration Projects (General 401 Order) for the Baker Creek Terrace Groundwater Recharge Project (Project) in the Mattole River watershed. On May 10, 2016, we issued a NOA based on 60% complete project plans. In order for this NOA to be compatible with the California Department for Fish and Wildlife permit on this project, a 100% complete set of project plans is required. Consequently, on May 31, 2016, Sanctuary Forest Inc. submitted the final engineering project designs (100% design) for the project (attachment 1). This NOA, supersedes and replaces the NOA we issued on May 10, 2016 for this project. North Coast Water Board staff has determined that the Project, as described in the NOI, is categorically exempt from California Environmental Quality Act (CEQA) review (section 15333 ‐ Small Habitat Restoration Projects) and meets the eligibility requirements for coverage under the General 401 Order.

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Page 1: Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:

June10,2016Ms.TashaMcKeeSanctuaryForestInc.315ShelterCoverRoad,Unit4Whitethorn,CA95589DearMs.McKee:Subject: ReissuanceofNoticeofApplicability(NOA)forCoverageundertheStateWater

ResourcesControlBoardGeneral401WaterQualityCertificationOrderforSmallHabitatRestorationProjects:SB12006GN

File: BakerCreekTerraceGroundwaterRechargeProject,WDIDNo.1B16263WNHU,

ECMPINNo.CW‐823636OnApril2,2016,SanctuaryForestInc.submittedtotheNorthCoastRegionalWaterQualityControlBoard(NorthCoastWaterBoard)aNoticeofIntent(NOI)tocomplywiththetermsof,andobtaincoverageunder,theGeneral401WaterQualityCertificationOrderforSmallHabitatRestorationProjects(General401Order)fortheBakerCreekTerraceGroundwaterRechargeProject(Project)intheMattoleRiverwatershed.OnMay10,2016,weissuedaNOAbasedon60%completeprojectplans.InorderforthisNOAtobecompatiblewiththeCaliforniaDepartmentforFishandWildlifepermitonthisproject,a100%completesetofprojectplansisrequired.Consequently,onMay31,2016,SanctuaryForestInc.submittedthefinalengineeringprojectdesigns(100%design)fortheproject(attachment1).ThisNOA,supersedesandreplacestheNOAweissuedonMay10,2016forthisproject.NorthCoastWaterBoardstaffhasdeterminedthattheProject,asdescribedintheNOI,iscategoricallyexemptfromCaliforniaEnvironmentalQualityAct(CEQA)review(section15333‐SmallHabitatRestorationProjects)andmeetstheeligibilityrequirementsforcoverageundertheGeneral401Order.

Page 2: Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:

BakerCreekTerrace ‐2‐ June10,2016WDIDNo.1B16263WNHU

Theprojectimplementationteamincludes:SanctuaryForestInc.,U.S.BureauofLandManagement(BLM),StillwaterSciences,generalengineeringcontractorJohnNeillandtheCaliforniaConservationCorps(CCC).ProjectLocation:TheProjectislocatedadjacenttoBakerCreek,atributarytotheheadwatersoftheMattoleRiverHydrologicUnit112.30(seeFigure1below).TheProjectsitesarelocated1,000feeteastoftheBriceland‐ThorneRoadviaaprivateaccessroad,approximately1.5milessoutheastofthetownofWhitethorn,HumboldtCounty,California.CoordinatesoftheProjectsitearelatitude40.008333°Nandlongitude123.941667°W.Figure1:ProjectMap

ProjectPurposeandDescription:ThestatedpurposeoftheProjectistoimprovegroundwaterstorageandsummerstreamflowwithintheadjacentBakerCreek;animportantstreamforjuvenilecohosalmonandsteelheadtrout.Theproposeduplandrestorationprojectaimstoincrease

Page 3: Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:

BakerCreekTerrace ‐3‐ June10,2016WDIDNo.1B16263WNHU

groundwaterstorageandrechargebyapproximately10milliongallonsthroughtheconstructionoffiveshallowinfiltrationpondsonanupslope,abandonedfloodplainterrace.Thedesignisbasedontheconceptofslowingdownrun‐offandincreasinginfiltrationsuchthatthegroundwaterlevelsarehigherinthespringanddeclinemoreslowlythroughthesummer.TheProjectobjectivesaretopromotegroundwaterrechargeupslopeofBakerCreektosustainsurfacewaterinthecreekduringthesummerlow‐flowperiodforthebenefitofjuvenilesalmonidrearingandtorestoretheriparianecosystemthroughdirectplantingwithnativegrasses,plantsandshrubs.Figure2:ProjectEngineeringDesignPlanView–StillwaterSciences

TheNOIincludesengineeringdesignsandstandardsthatwereproducedbyStillwaterSciencesInc.fortheProject(100%designs).Theimplementationplanincludescompletionofthesiteplanalongwithfinalengineeringanddesignspecificationsfortheponds.TheinitialplansincludedintheNOIincludespecificationsaddressbermcompactionrequirements,spillwayanderosioncontrolmeasures,andsealingtechniquestoensuretheslowandcontinuousreleaseofwaterintotheground.SiteworkincludesbrushclearingbyJohnNeillandtheCCC’sneededtopreparetheareapriortobuildingtheponds.Brushandsmalltreeswillbechippedandusedformulchandlargertreeswillbeusedforwoodydebrisinthecreekonotherrestorationprojects.

Page 4: Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:

BakerCreekTerrace ‐4‐ June10,2016WDIDNo.1B16263WNHU

Constructionwillincluderemovaloftopsoilfromthepondareas.Thetopsoilwillbesavedandspreadaroundthepondareaalongwithmulchafterconstruction.Disturbedareasoutsidethepondsandbermswillbeplantedwithnativegrasses,shrubsanddeciduoustreesinthewinterfollowingpondconstruction.Thepondswillbeformedbyexcavatingdowntothenaturalclaylayerandbuildinganearthenbermatthelowend.Bentoniteorimportedclaywillbeusedontheinsideofthepondtopartiallysealtheberm.Thedesignforthepondswillincludedirectingtheoverflowfromeachpondsothatithelpsfillthenextponddownstream.Aspillwayforeachpondwillbeengineeredfor100‐yearstormeventsandarmoredwithrockcobbleorothernon‐erodiblematerialstopreventerosion.Spillwayswillbelocatedonnativegroundwherefeasible(ratherthanintheberm).ProjectAccess:Accesstotheprojectwillrequireopeninganoldloggingroadandinstallationofatemporarycrossingwheretheloggingroadcrossesaclass2intermittentstream.Theextentoftheactivitywithinthebedchannelwillbelimitedtotheinstallationandremovalofthetemporarycrossingontheoldlogging(access)roadwhereitcrossestheintermittentstream.Ifforanyreasonthisaccessrouteisnotfeasible,atemporarybridgewillbeinstalledacrossBakerCreekwithminimalbankdisturbance.Aculvertwillbeinstalledforthetemporarycrossingifneeded(iftheintermittentstreamiswet).Rock/cobblewillbeusedoverthetopoftheculvert(ifaculvertisused)and/orwillbeusedtobuildatemporaryfordcrossingacrossthe1ftdeepx3ftwidechannelifitisdry.IfinsteadatemporarybridgeisinstalledacrossBakerCreek,anexcavatorwillcrossthecreekonceasneededtoinstallthebridge.TheroutewilluseanoldcrossingthatgoessubsurfaceinJuneandrock/cobblewillbeusedasneededtoprotecttheapproaches.Thetemporarybridgeinstallationimpactswillbeminimalwithexcavationof~6cubicyards(max1ftdeep)toleveltheapproaches.Afterremovalofthebridge,approacheswillbeshapedtotheirnaturalcontourandmulched.ExcludedActivities:TheNOIalsoincludesaproposaltoreconstructahistoricmillpondontheeastsideofBakerCreek.Themillpondwasconstructedapproximatelysixty‐yearsago,likelyaspartofformertimberoperationsinthearea.Thepondhasnumeroustreesgrowingontheoutsidedamandwaterisleakingoutofthestructurethroughmanysmallleaksfromtreeroots.Themillpondisnotassociatedwithanywatercoursechannels,butrather,isfilledbyoverlandflowandaninboarddrainageditchontheupsloperoad.Theapplicantproposedtoremovenumeroustreesontheoutsidebermofthepond,deconstructaportionofthedamface,andreconstructandcompactthefillmaterial.OnApril25,2016,JonathanWarmerdamofmystaffinitiatedadiscussionwithTashaMcKeeofSanctuaryForestInc.regardingthereconstructionoftheMillPond.TheeligibilityrequirementsfortheGeneral401Orderrequiretheprimarypurposeofaprojecttobeforrestoration.Althoughthereconstructionofthemillpondmayprovideabenefitsthataresimilarinnaturetotheothershallow,groundwaterrechargeponds,NorthCoastWaterBoardstaffnotifiedtheapplicantthattheseactivitiesmayfalloutsideofthescopeof

Page 5: Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:

BakerCreekTerrace ‐5‐ June10,2016WDIDNo.1B16263WNHU

theGeneral401Ordereligibilityrequirementsandshouldbeaddressedthroughaseparatepermittingpathway.AdaptiveManagement:TheProjectproposestoconductadaptivemanagementasnecessaryduringthelifeofthecertification,andbeyond.Adaptivemanagementwithinthefirstfiveyearsisexpectedtobeminimalandlimitedtohandlabor.Potentialadaptivemanagementneedsincludeadditionalsealingofpondbermswithbentonite‐ifneededtoslowgroundwaterreleaseandfurtherarmoringofspillways–ifneededforerosioncontrol.Additionalplantingofnativegrasses,shrubsanddeciduoustreesmayalsooccurwithinthefirstfiveyears.AsdescribedintheNOI,SanctuaryForestexpectsthatthemaintenanceofthebermsoverthefirst20yearswilllikelyincludehandlabortoremovetreesproutsthatcouldcausethebermstoleakifallowedtogrow.NorthCoastWaterBoardstaffshallbenotifiedinadvanceofproposedmodificationsoradaptivemanagementassociatedwiththeprojectafterthecertificationexpires(infiveyears)todeterminewhetheranupdatedwaterqualitycertificationisrequired.Thehandlabordescribeddoesnotnecessitatenotification.ProjectMonitoringandMeasurablePerformanceStandards:Quantitativemonitoringwillconsistofpre‐andpost‐projectmonitoringofgroundwaterlevelsaswellasstreamflowmonitoring.Qualitativemonitoringwillconsistofpre‐andpost‐projectphotodocumentation.Quantitativemonitoring:Pre‐Project:

1) Groundwatermonitoringandsubsurfaceinvestigations:Installationof6‐10groundwaterwellsalongwithsubsurfaceinvestigationsincludingdepthtobedrockanddocumentationofsoiltypelayers.Monitoringofgroundwaterwellswilloccurtwicemonthlyfor1year.

2) Seasonalstreamflowmonitoringtwicemonthlyfor3yearsattwoestablishedmonitoringsitesthatbrackettheproject.

3) Waterquality(dissolvedoxygenandtemperature)in2poolsoftheaffectedinstreamreachfor1yearpriortotheproject.

Post‐Project:

1) Monitoringofgroundwaterwellstwicemonthlyfor2years.2) Seasonalstreamflowmonitoringtwicemonthlyfor2yearsattwoestablished

monitoringsitesthatbrackettheproject.3) Waterquality(dissolvedoxygenandtemperature)in2poolsoftheaffected

instreamreachfor2yearspost‐project.Qualitativemonitoring:Pre‐Project:

1) Establishphotopointsitesateachpondlocationincludingviewofspillway.

Page 6: Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:

BakerCreekTerrace ‐6‐ June10,2016WDIDNo.1B16263WNHU

2) Takepre‐projectphotospriortoandduringconstruction.Post–Project:

1) Re‐occupyphotopointsitesandtakephotosat1yearand3yearspost‐project.Groundwaterevaluationwillcomparepre‐andpost‐projectgroundwaterlevelsfrom6‐10groundwaterwellsadjacenttotheproposedponds.Streamflowevaluationwillcomparepre‐andpost‐projectstreamflowfromestablishedmonitoringsitesinBakerCreekupstreamanddownstreamoftheproject.Monitoringwilloccurinthesummer&fallmonthswhenlowstreamflowisabigconcern(flowrangefrom0.5‐0.0cubicfeetpersecond).Waterqualitywillcomparepre‐andpost‐projectwaterquality(dissolvedoxygenandtemperature)inpoolswherelowdissolvedoxygenassociatedwithextremelowflowshasbeenanissueinpastyears.Waterqualitymonitoringwillbeconductedalongwithstreamflowmonitoringintheflowrangeof0.5‐0.0cubicfeetpersecond.Temperaturedataloggerswillbeinstalledin2‐3poolsintheaffectedreach.Dissolvedoxygenwillbemonitoredtwicemonthly(samefrequencyasstreamflows)usingahandheldmeter.Proceduresforgroundwaterandstreamflowmonitoringhavebeendevelopedwithconsultinghydrologistsandareattachedattheendofthisplan.TheProjectshallbeconstructedandmaintainedasdescribedintheNOIaswellasanyrevisedmaterialreviewedandapprovedbytheExecutiveOfficer.TheProjectisexpectedtobeimplementedduringthemonthsofJunethroughOctoberof2016‐2017,althoughtheprojectapplicantrequestedacertificationtermoffiveyearstotaltoallowforcompletionandadaptivemanagementasdescribedintheNOI.ReceivingWater: BakerCreek

MattoleRiverHydrologicUnit112.30Filled/ExcavatedArea: PermanentAreaImpacted:None TemporaryAreaImpacted:20linearfeetofunnamedClass

IItributarystreamProjectSize: 4.74acresLatitude/Longitude: 40.008333°N/123.941667°WPleasebeadvisedthatcoverageunderthisGeneralOrderrequiresyoutoconductmonitoringandsubmitreportstotheNorthCoastWaterBoardtodocumenttheachievementofperformancestandardsandprojectgoals.Asperthemonitoringplan,reportswillbesubmittedannuallybyDecember1followingimplementationandpost‐projectmonitoringandevaluation.Thereportwillinclude:1)monitoringresults,2)projectperformanceobservationsandevaluationresults,3)lessonslearnedandadaptivemanagementneeds(ifany),4)maintenanceactivities(ifany)implementedinthepreviousyearwithphotos,and5)maintenanceactivities(ifany)plannedfortheupcomingyear.

Page 7: Baker Creek Groundwater Recharge Project...Baker Creek Terrace ‐ 6 ‐ June 10, 2016 WDID No. 1B16263WNHU 2) Take pre‐project photos prior to and during construction. Post–Project:

BakerCreekTerrace ‐7‐ June10,2016WDIDNo.1B16263WNHU

ANoticeofCompletion(NOC)shallbesubmittedbytheapplicantnolaterthan30daysaftertheProjecthasbeencompleted.AcompleteNOCincludesasaminimum:photographswithadescriptivetitle,thedatethephotographwastaken,thenameofthephotographicsite,as‐builtdrawings,theWDIDnumberandECMPINnumberindicatedaboveandsuccesscriteriafortheproject.TheNOCshalldemonstratethattheProjecthasbeencarriedoutinaccordancewiththeProjectdescriptionasprovidedintheapplicantsNOI.Please,includetheprojectname,WDIDnumberandECMPINnumberwithallfutureinquiriesanddocumentsubmittals.Documentsubmittalsshallbemadeelectronicallyto:[email protected](707)576‐2468orStephenBargstenat(707)576‐2653ifyouhaveanyquestions.Sincerely,__________________________________

MatthiasSt.JohnExecutiveOfficer

160610_JWW_dp_BakerCreekTerrace_SHRP_ReissuanceNOA

Weblink: TheStateWaterResourcesControlBoardGeneral401WaterQuality

CertificationOrderforSmallHabitatRestorationProjectsSB09016GNcanbefoundhere:http://www.waterboards.ca.gov/water_issues/programs/cwa401/docs/generalorders/shrpcert032713.pdf

Attachment: StillwaterSciences,100%EngineeringDesignsforBakerCreek

UpslopeGroundwaterRechargeProject


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