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C_Public_Comment_2_Summerfield_180802.pdf
JillSummerfield,MD5505NE21stCourtRenton,WA98059206-919-5152jillasum@comcast.net7/28/18AUG22018EVELOPMNTMs.MathiasSERVICE6LongRangePlanningManagerCED-PlanningDivision1055SouthGradyWayRenton,WA98057Re:NoticeofApplicationPR18-000002LandUseNon-ProjectsWolfWoodsAnnexationPrezoning/LUAI8-000493DearMs.Mathias,Iamrespondingtothenoticeofapplicationasreferencedabove.Mypropertyisimmediatelynorthoftheabovereferencedannexationarea.AstheWolfFamilyhavetheinterestandrighttoincreasethevalueofthebpropertybydevelopingthisacreage,Iwouldalsoliketomakesurethatmypropertyandthatofmyneighborsisprotectedfinanciallyandecologically.1.MypropertyservesasasurfacewaterdrainagesitefortheterminusofLyonsandpropertieson145thPlaceSEfromstormdrainsandresidentialcatchmentbasins.WaterandotherdebrispoursfromapipeintoaditchandthenterminatesintoGreene’sCreekapproximately200feetdistant.Thisisnotfilteredinanywayandincludesgarbage,oil,detergentandotherdebris.TheflowissignificantenoughwithraintocausesignificanterosionofsoilandrockseachWinterthatIneedtorepairthedamage,sothisiserodingintothecreekandthedrainageisyear-round.CITYOFRENTONRECEIVEDS Potentialforegress/ingresswithattendantvehiculartrafficintoanewdevelopmentviaLyonsaswellasadditionalhardscapewithnewdevelopmentisveryconcerningforadditionalwaterflow,erosionandpollutionnotonlyontomypropertybuttothatofmycommunityandGreene’screekwhichpertheMayCreekRestorationProjectdefinitionisconsideredaclass2,Fcreek(contributestosalmonidhabitatasisatributaryofsalmonidbearingMayCreek.)Greene’sCreekalsorunsthroughtheentireWoifpropertyandisatriskinanypotentialdevelopmentwithoutappropriatemitigationand100’bufferpertheCriticalAreasAct.2.TheMayCreekBasinActionPlanof2001Section3.2.4,#17requiresfullmitigationforfutureincreasesinzoningdensityinareasdrainingtoMayValley.“Recommendation:InareasofthebasindrainingtoMayCreekoranyofitstributariesupstreamoftheCoalCreekParkwaybridge,existingzoningdensities(includingadoptedpre-zoningforunincorporatedareastobeannexed)shouldnotbeincreasedunlessaqualifiedhydrologicanalysisdemonstratesthatstormwaterrunoffpeaksandvolumescanbefullymitigatedtopredevelopedconditions.Densitybonusesprovidedunderdevelopmentincentiveprogramsshouldnotbeapprovedfortheseareas.TheproposedBasinSteward(Recommendation2)shallworkcooperativelywitheachjurisdictionand,ifrequestedbythejurisdiction,maycoordinatethetechnicalreviewofmitigationdesignstoaddressfutureflow-relatedimpacts.EachjurisdictionwilldeterminetheconsistencywithlocalsurfacewatermanagementanddevelopmentregulationsandmayconsulttheBasinStewardtoassessoverallimpact”Moreover,pertheMayCreekDrainageandRestorationPlanof2008,ReachIintowhichGreene’sCreekflowsisthemostimportantsectionofMayCreekforsalmonids.“TwotributariesflowintoMayCreekwithinReachl.Anunnamedtributary(#0287D)flowsintoMayCreekfromthenorth(right)bankatRM4.4,approximately700feetdownstreamfromthe148thAvenueSEbridgecrossing.Thistributaryisapproximately0.4mileslongandcontainsfishpassagebarrierslocatedatRM0.08(culvert)and0.11(pondspillway)respectively.Thetributarytendstoinciseandscourverticallythroughsandygravelalluviumoverlyingcompacttillorbedrock.TheMayCreekchannelwasobservedtobeunobstructedbysiltorvegetationatthepointofconfluencewithtributary#287D,andappearscapableofaccommodating2 tributaryinflow.Therewassomeerosionintributary#287D,astheconfluenceareawaslargelydevoidofvegetationduetoclearinganduseasanimalpasture.Thesecondtributary,Greene’sCreek(tributary#288),entersMayCreekfromthesouth(leftbank)nearRM4.5,justdownstreamfromthe148thAvenueSEbridgecrossingMayCreek.Thistributaryhasameanannualflowofapproximately1.5cfsandisexpectedtoreceiveeverincreasingflowsduetodevelopment(ConditionsReport1995).Itiscurrentlyerodingthroughcompactsiltyglacialoutwashneartheconfluence.Thechannelfunctionsprimarilyasastormwaterdrainageditch,conveyingwaterfromrecentlybuiltresidentialdevelopmentstothemainstemCreek.Highstormwaterflowsaredetainedinastormwaterpondofapproximately1acreinarea,locatedneartheconfluencewithMayCreek.Reedcanarygrass(Phalarisarundinacea),willow(Salixspp.),andotherriparianvegetationgrowdenselyneartheconfluenceofGreene’sCreekandMayCreek,obscuringtheconfluencearea.IIplantedandallowedtomature,riparianvegetationcoupledwiththeplacementoflargewoodydebrismaystabilizethechannel,butincreasedflowsareanticipatedtocontinuetocarrysediment(sand/silt)toMayCreek.FishDistributionandHabitatUseThisreachhasthehighestanadromoussalmonidspeciesuseofalltheMayCreekreachesintheValley.Theupstreamlimitofdistributionforsuchspeciesassockeye(Oncorhynchusnerka),steethead(0.mykiss)andChinooksalmon(0.tshawytscha)iseitherwithinorbelowthisreach(RM4.5).Thereachisprimarilyamigratorycorridorforcohosalmonandcutthroattrout.ThesespeciesareabletomoveupstreamtospawnandrearinreachesofMayCreekandtributaries,asdescribedlaterinthisdocument.Theaquatic,riparianandwetlandhabitatinReach1hasbeendegradedasaresultoflandusemanagementincludehistoricloggingandminingactivities,andmorerecentanimalpastureactivities.”Furtherdegradationoftheecologyofthiscreekbyerosionandpollutantsgoesagainstalltheworkthattherestorationprojecthasworkedtoohardtoachievewithsomeencouragingresultssofar(2017report).Mitigationwouldrequireattentiontohousingdensityaswellas100’streambufferperRentonandKingCountyCriticalAreasOrdinance.Completehydrologystudyshouldalsobeundertakenbeforeanytypeofdevelopmentisapproved.Iappreciateyourattentionandadditionaltimeandstudyforthismatterforthefuturehealthandprotectionofourcommunity.3 RespectivelyYours,JSerfie1d.M.DPresident,StonegateHOAYourName4tz