WPC8 P5RΐcΒVLfpDa[k ɗx3eŜTe@$rd O7m1th:FABJs1uwR JDa3lR6brV p~2wI79Q iVho[OZ#F6Z~S[i`=pE݀ǡ~1>-~m9It#s3pmh{@Ű7D@ m:UGͱtBYeS"OuZzI!.6%%e}?1͕ڱm欘,Vw[g&'sC dQ*l 70ؒ~>2Y޵gmKTQY| &M&8R 0T3eT̤U>B*-*aAUxƁSd:-O[1&"AG.$R&v3ݼ,9:-' Ekat2#!UN %+ 0o1UNM 01 0=# 0` 0>( 0f 00 0 0a 0 0 09a 0 02v 0 0: 0 0_c 0  0k 07 B* D3 D+) 0T 0 06 0 0: 0hH 0F CU6U>FU*N^ w@4 m!\\TETRATECH-FFX2\HP5000-Q,,,,0(hH  Z6Times New Roman RegularX(G$HHHH  X^XXX(hH  Z6Times New Roman Regular0.Normal<:Definition T<GD:Definition L , ;1` hp x (#;  8.` hp x (#886Definition('z&H1      XXX(o&H2  XXX(o&H3  XXX(&H4 XXX XXX(o&H5  XXX(o&H6  XXX20Address8SP6Blockquote , , ;1` hp x (#;   8.` hp x (#8,*CITE,dl*CODEK&<6X9`(Courier NewKXXXS'\  `&Times New RomanS42Emphasis6&)4Hyperlink            <:FollowedHype    4go2Keyboard K&<6X9`(Courier NewK XXXS'\  `&Times New RomanS<:Preformatted/%  ,Kk (#/K&<6X9`(Courier NewKXXXS'\  `&Times New RomanS/%  ,Kk (#/<:zBottom of =( **=  B  ?(%2A`Arial?- -  XXXS'\  `&Times New RomanS&0 d d'dxd'dxd<:zTop of For=(**=  B  ?(%2A`Arial?- -  XXXS'\  `&Times New RomanS0Kl.SampleK&<6X9`(Courier NewKS'\  `&Times New RomanS0.Strong 8dl6TypewriterK&<6X9`(Courier NewKXXXS'\  `&Times New RomanS42Variable:8HTML MarkupB      2 0CommentB   d<6X9`(Courier New\  `&Times New Roman%2A`Arialx(  [UDDD[[[[t(P3|xU !HH  XXXX  _XXXX   $!XXCountyofYork,VA#XX! $# H ARTICLEIII.DISTRICTS  DIVISION7.OVERLAYDISTRICTS  Sec.24.1376.    _WMP_ԄWatershedmanagementandprotectionareaoverlaydistrict.   J (A).0  Statementofintent. * (#(# Inaccordancewiththeobjectivesofthecomprehensiveplan,theWatershedManagementandProtectionAreaOverlayregulationsareintendedtoensuretheprotectionofwatershedssurroundingcurrentorpotentialpublicwatersupplyreservoirs.Theestablishmentoftheseregulationsisintendedtopreventthecausesofdegradationofthewatersupplyreservoirasaresultoftheoperationortheaccidentalmalfunctioningoftheuseoflandoritsappurtenanceswithinthedrainageareaofsuchwatersources.(B).0  Applicability. R(#(# Thespecialprovisionsestablishedinthissectionshallapplytothefollowingareas:0  (1)AreasdesignatedontheWatershedmanagementandprotectionareaoverlaydistrictmap,datedMay15,1991,andmadeapartofthischapterbyreference.(SeeMapIII2inAppendixA) (#(# 0  (2)Suchotherareasasmaybedeterminedbythezoningadministratorthroughdrainage,groundwaterandsoilsanalysesconductedbythedepartmentofenvironmentalanddevelopmentservicestobeessentialtoprotectionofsuchexistingorpotentialreservoirsfromtheeffectsofpollutionorsedimentation. (#(# (C).0  Definitions. (#(# Forthepurposesofthissection,thefollowingtermsshallhavethefollowingmeanings: 330  0` (#(# Bulkstorage .Storageequaltoorexceeding660gallons[2500L]inasingle "B! abovegroundcontainer ` (#` (# 0  0` (#(# Development .Anyconstruction,externalrepair,landdisturbingactivity,grading, $Q!# roadbuilding,pipelaying,orotheractivityresultinginachangeinthephysicalcharacterofanyparcelorland. ` (#` (# 0  0` (#(# Reservoir .Anyimpoundmentofsurfacewatersdesignedtoprovidedrinking 'P$& watertothepublic. ` (#` (# 0  0` (#(# Tributarystream .Anyperennialorintermittentstream,includinganylake,pond )_&( orotherbodyofwaterformedtherefrom,flowingeitherdirectlyorindirectlyintoanyreservoir.IntermittentstreamsshallbethoseidentifiedassuchonthemostrecentlypublishedUnitedStatesGeologicalSurveyQuadrangleMap,ortheSoilConservationServiceSoilSurveyofJamesCityandYorkCountiesandtheCityofWilliamsburg,Virginia,orasdeterminedandverifieduponfieldinvestigationapprovedbythezoningadministrator.G/+.` (#` (# _0  0` (#(# Watershed .Anyarealyingwithinthedrainagebasinofanyreservoir.H` (#` (#  33-(D).0   Useregulations. >(#(# Permitteduses,specialpermituses,accessoryuses,dimensionalstandardsandspecialrequirementsshallbeasestablishedbytheunderlyingzoningdistrict,unlessspecificallymodifiedbytherequirementssetforthherein.Thefollowingusesshallbespecificallyprohibitedwithinthe_WMP_Ԁareas:0  (1)Storageorproductionofhazardouswastesasdefinedineitherorbothofthefollowing: (#(#    ` a.SuperfundAmendmentand_Reauthorization_ԀActof1986;and   ` b.IdentificationandListingofHazardousWastes,40_C.F.R._Ԁ261(1987).  (2)Landapplicationsofindustrialwastes.(E).0  Specialrequirements. N(#(# (1)Exceptinthecaseofpropertyproposedforconstructionofanindividualsinglefamilyresidentialdwellingunit,anydevelopmentproposal,includingthesubdivisionofland,in_WMP_areasshallbeaccompaniedbyanimpactstudypreparedinaccordancewiththerequirementssetforthinsubsection(f)below.(2)Atwohundredfoot(200')[60m]widebufferstripshallbemaintainedalongtheedgeofanytributarystreamorreservoir.Therequiredsetbackdistanceshallbemeasuredfromthecenterlineofsuchtributarystreamandfromthemeanhighwaterlevelofsuchreservoir.Suchbufferstripshallbemaintainedinitsnaturalstateorshallbeplantedwithanerosionresistantvegetativecover.Inthecaseoftributarystreamslocatedupstreamfromastormwatermanagementfacilitydesignedtoprovidewaterqualityprotection,nobuffershallberequiredifsuchfacilityhasbeendesignedtoaccommodateandmanagethequalityofrunofffromthesubjectsite.Thezoningadministratormayauthorizeareductioninthetwohundredfoot(200')[60m]widebufferdowntoanabsoluteminimumoffiftyfeet(50')[15m]uponpresentationofanimpactstudy,asdefinedherein,whichprovidesdocumentationandjustification,tothesatisfactionofthezoningadministrator,thatevenwiththereduction,thesameoragreaterdegreeofwaterqualityprotectionwouldbeaffordedaswouldbewiththefullwidthbuffer.Ingrantingsuchauthorization,thezoningadministratormayrequiresuchadditionalerosioncontrolandrunoffcontrolmeasuresasdeemednecessary.Exceptasprovidedbelow,alldevelopmentshallbelocatedoutsideoftherequiredbufferstrip.0  a.Thebufferstriprequirementshallnotapplytodevelopmentwhichisappurtenanttotheproduction,supply,distributionorstorageofwaterbyapublicwatersupplier. (#(# 0  b.Encroachmentintoorthroughtherequiredbufferbyroads,mainlineutilities,orstormwatermanagementstructuresmaybepermittedbythezoningadministrator .~+. providedthefollowingperformancestandardsaremet: (#(# 0  0` (#(#1.Roadandmainlineutilitycrossingswillbelimitedtotheshortestpathpossibleandthatwhichcausestheleastamountoflanddisturbanceandalterationtothehydrologyofthewatershed. ` (#` (# 0  0` (#(#2.Stormwatermanagementfacilitieslocatedwithinthebuffermustbedesignedtobeapartofawatershedstormwatermanagementprogram. ` (#` (# 0  0` (#(#3.Nomorelandshallbedisturbedthanisnecessary. ` (#` (# 0  0` (#(#4.Indigenousvegetationshallbepreservedtothemaximumextentpossible. ` (#` (# 0  0` (#(#5.Whereverpossible,disturbedareasshallbeplantedwithtreesandshrubs. ` (#` (# 0  0` (#(#6.Thepostdevelopmentnonpointsourcepollutantloadingrateshallbenogreaterthanninetypercent(90%)ofthepredevelopmentpollutantloadingrate. ` (#` (# 0  0` (#(#7.Nonessentialelementsoftheroadorutilityproject,asdeterminedbythezoningadministrator,shallbeexcludedfromthebuffer. ` (#` (# 0  c.Whenthepropertywhereanencroachmentisproposedisownedbytheentityowningandoperatingthewatersupplyreservoirbeingprotected,andsuchentityspecificallyandinwritingauthorizesandapprovestheencroachment,itshallbeallowed. (#(# (3)Inthecaseofpermittednonresidentialuseswithinthe_WMP_Ԁareas,performanceassurancesshallbeprovidedtoguaranteethatallrunoffcontrolandreservoirprotectionmeasuresproposedintheimpactstudyshallbeconstructed,operatedandmaintainedsoastomeettheperformancecriteriasetforthinthestudy.Theformofagreementandtypeofletterofcreditorothersuretyshallbeapprovedbythecountyattorney.Theamountoftheletterofcreditorothersuretyanddesignatedlengthofcompletiontimeshallbesetbythezoningadministrator.(4)Thefollowingusesshallnotbepermittedwithinthebufferstriprequiredaboveorwithinfivehundredfeet(500')[150m]oftherequiredbufferstrip: Y0  a.septictanksand_drainfields_; (#(# 0  b.feedlotsorotherlivestockimpoundments; (#(# 0  c.trashcontainersand_dumpsters_Ԁwhicharenotunderrooforwhicharelocatedsothatleachatefromthereceptaclecouldescapeunfilteredanduntreated; (#(# 0  d.fuelstorageinexcessoffifty(50)gallons[200L]; (#(# 0  e.sanitarylandfills; (#(# 0  f.activitiesinvolvingthemanufacture,bulkstorageoranytypeofdistributionofpetroleum,chemicalorasphaltproductsoranymaterialshazardoustoawatersupply(asdefinedintheHazardousMaterialsSpillsEmergencyHandbook,AmericanWaterworksAssociation,1975,asrevised)includingspecificallythefollowinggeneralclassesofmaterials:/+-(#(# 0  0` (#(#1.oilandoilproducts; ` (#` (# 0  0` (#(#2.radioactivematerials; ` (#` (# 0  0` (#(#3.anymaterialtransportedinlargecommercialquantities(suchasin55gallon[200L]drums),whichisaverysolubleacidorbase,causesabnormalgrowthofanorganororganism,orishighlybiodegradable,exertingasevereoxygendemand; ` (#` (# 0  0` (#(#4.biologicallyaccumulativepoisons; ` (#` (# 0  0` (#(#5.theactiveingredientsofpoisonsthatareorwereeverregisteredinaccordancewiththeprovisionsoftheFederalInsecticide,Fungicide,and_Rodenticide_ԀAct,asamended(7_USC_Ԁ135etseq.);or ` (#` (# 0  0` (#(#6.substanceshighlylethaltomammalianoraquaticlife. ` (#` (#  Y"(F).0  Impactstudy. 8 (#(# (1)Theimpactstudyshallbeperformedorreviewedbyaregisteredprofessionalengineerwhoshallcertifythatthestudyhasbeenconductedinaccordancewithgoodengineeringpractices.Thestudyshalladdress,ataminimum,thefollowingtopics: Y0  a.Descriptionoftheproposedprojectincludinglocationandextentofimpervioussurfaces;onsiteprocessesorstorageofmaterials;theanticipateduseofthelandandbuildings;descriptionofthesiteincludingtopographic,hydrologic,andvegetativefeatures. (#(# 0  b.Characteristicsofnaturalrunoffonthesiteandprojectedrunoffwiththeproposedproject,includingitsrate,andchemicalcompositionincludingphosphorusconcentration,nitrogenconcentration,suspendedsolids,andotherchemicalcharacteristicsasdeemednecessarybythezoningadministratortomakeanadequateassessmentofwaterquality. (#(# 0  c.Measuresproposedtobeemployedtoreducetherateofrunoffandpollutantloadingofrunofffromtheprojectarea,bothduringconstructionandafter. (#(# 0  d.Proposedrunoffcontrolandreservoirprotectionmeasuresfortheprojectandperformancecriteriaproposedtoassureanacceptablelevelandrateofrunoffquality.Suchmeasuresshallbeconsistentwithacceptedbestmanagementpracticesandshallbedesignedwiththeobjectiveofensuringthattherateofsurfacewaterrunofffromthesitedoesnotexceedpredevelopmentconditionsandthatthequalityofsuchrunoffwillnotbelessthanpredevelopmentconditions.Specialemphasisshallbeplacedontheimpactsofproposedencroachmentsintotherequiredbuffer. (#(# 0  e.Proposedmethodsforcompletecontainmentofaspillorleachingofanymaterialsstoredonthepropertywhichwouldorcouldcausecontaminationofdrinkingwatersources. (#(# 0  f.Wherethedeveloperofpropertywhichissubjecttothetermsofthisoverlaydistrictdesirestoutilizeexistingorplannedoffsitestormwaterqualitymanagementfacilities,thedevelopershallprovideawrittencertificationtothezoningadministratorthattheowneroftheoffsitefacilitieswillaccepttherunoffandberesponsibleforitstreatmenttoaleveloftreatmentacceptabletothecountyandconsistentwiththerequirementsofthischapter.4/++(#(#  Y+(2)Suchstudyshallbesubmittedtothezoningadministratorforreviewandapprovalconcurrentwiththesubmissionofapplicationsforreviewandapprovalofsiteorsubdivisionplansorapplicationsforlanddisturbingorerosionandsedimentcontrolpermits.Acopyoftheimpactstudyshallalsobeforwardedtotheagencywhichownsormanagesthesubjectwatershedforreviewandcomments.