Strategic Flood Risk Assessment
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LEGEND HJIJ.!!!gdon London Boroug~ C:J SpelthOmeBomda,y [=:I SUrroundlnQ authoritv areas - <10 10 to 12 12 to 14 14 to 16 16 to 20 Wlndsor,and Maidenhead >20 King Staines George VI Reservoir Main Rivers RP.sP.rvnrr Ordinary Hounslowll!ondonlBoiou',gh Watercourses .,...,..,...._____________.. I UIJll~N,_..,.lLO\R.l•t11MIIN~ -"',_,"""" A~Hm~o .,..., ....1,-......,................,,,... n..........,......,.. ~.....aM.........~........i-""""' IP'HMwotl• ,,,,.,.... , ' . .,, "t: !1 J ,. " .- .J - , ........... ~~~~~ .....,,.... .....- ,\ Queen Mary Reservoir OOl"VNIGHlir.....a.-M"'l',._DDRll~R ~; ,._,_._.,_,.,,,____.o....~~--o~Nl'f2fllt Run~ymed_e,Oistrict ~ ~,- SPELTH.22! Speilllome Borough Coonci Sinllegic Flood Risk assessment !Level 1) -:i::::.r.; Topography and Walertiodies ElmbrldgelDlstrlci -<II I 114000AIIWl.-.,IIP,.,.#IID"'""""' IO.-O~IOll4: ~tloftolH~l'tlftCllJ#l1'ia.M:Ul'ttllOL>llllll"I '°"-.-a- 111nMMO'l)O-to~0111:1M1cu::11101t J(\l~lfQJ!nr....MAGll'TK""ll:lll,ol...., l#JOr&TJQII M 0 ~-t•Ollac,,,1_N_ll...:il'IIO!Ctll "ICCW......,.l~UCUMN kllOfflotmA ---~-··!.:!'!.!.1:!.. AECOM --Figure 1 00 ~ ~1nw-.u,~.w>•..,.c110M(JO.(Hr LEGEND BEDROCK GEOLOGY BRACKLESHAM GROUP ANO BARTON GROUP Hllllngdon London Borough (UNDIFFERENTIATED) Cl- THAMES GROUP Felt Windsor and Maidenhead Hounslow ~ondon Borough .r,1 TNl!OOXI_...,...,._.~.,_.....,..._ ,.....- ......_............f'lllbq,111aii1 -IMi-ffflM•.............l!illll_..Ol1"t_.... ~I_._.,_,.,,,ir.....a.-M"'l',._DDRll~R.o....~~--o~ IO#lf-----2ll•t Runnvmede District ~ ~,- SPELTH~ Speilllome Borough Counci Sinllegic Flood Risk assessmenl (Level 1) BEDROCK GEOLOGY Elmbridge District HI.R -<II !14000AIIWl.-.,IIP,.,.#IID"'""""'IO.-O~IOll4: I~tloftolH~l'tlftCllJ#l1'ia.M:Ul'ttllOL>llllll"I rAt t:n, ·•~A '°"-.-a-111nMMO'l)O-to~0111:1M1cu::11101t k\l~lfQJ!nr....MAGll'TK""ll:lll,ol...., l#JOr&TJQIIM ~-t•Ollac,,,1_N_ll...:il'IIO!Ctll "ICCW......,.l~UCUMN --··!.:!'!.!.1:!.. A:COM klometr.. --~ ·-Figu-re 2 00 DISORA.IWIQ ISI08EV8W<H,YFM~P\.APQ!'iEOf .1$1U.lKUllii'i:A,1156Umf(MAIQ8Nl,E.CITOAlll:Nillill8JT &.onoo,,.Hll..,;,.......,.;t... -- +bl!M. &., !LEGEND 1..;.... Hllllngdon London Borough SUPERFICIAL GEOLOGY CJALLWIUM DRIFT GEOLOGY NOT CJMAPPED [FOR DIGITAL MAP USE ONLY] -~, r-7RIVERTERRACE DEPOSITS L___J{UNDIFFEREITTIATED) \.,_ Win~sor.~~'¾.. ' , Maideiihea·d1 -• ,,...-.,.,.I lifll~N~i,.D,AJ____ _ _ ..,.lllillMta■ •__~~~ll9aullllrdl'II " 2Tha--..1w1..i~o11111.l'NC---~ J. 1.CWt.._._.~~----"''-....,.. 1;:;sJWMM81M _;,I l - . '<;~_ ,/. I~, ~ \. - . ···~~ . l' . J~C-.... \. \ ~~Y-ON-THAMES \ \ , ....._, ., 1"· -· __.,,._....,_ _ _...... ,.._. ---- - . -~---J-..- =:c2011.c..n~Agny0 ... &rmim.l --- -...., ~; _ "•~.. • ... ...ft . ..,....... ._____' ~-~~-~-=~•~ ~~~~-T-r7-j "~~ mond upon Th~mes ·, i , \ : ·' London Boroug2J. \ ' t -- - ~ ~ - __ ,/ __.,,,,. DRAFT ~ SPEl.Ttt~ SUPERFICIAL GEOLOGY ,.,. Elmbrldge District WALTON-ON-THAMES' .... J ~...- &r.....,_lltl- .. ✓ I ._,_llll kilnm~ =~ ~ A:COM ~ - ..-;;;:: Flgure 3 00 iK1S S.i.faJid o:J.16W U1>cDu...YniAf1<t.. __ ~- 1SU:Tl'IAt1t"'-'111&alI!f0RAKJ11S1MJECTToA1EOe11 LEGEND [=:I ~ Boundary Flood Map fOf Planning Flood Zone2 - Flood Zone 3 .// - Flood Zone 3b '{IP i.Arna Benefilli,g from Defences I Wraysbury River -J3 Surrey Historic Flood Records f ___ Internal Prope,ty Flood Road External p,_tyFlooding Road ---Historic Flooding Incidents ---SCCWetspots ---Main Rlvers Wraysbury ---Watercourses Reservoir ---Flood Oelences { : Wes·l"::i::------•----.-•"''~,_,...,..,,.__...,,...,. ,_,,......,._- K,ng ...... ,...... .... .-.~-----·---·--1""........................--...___,.,.................,......- George ---Aool'-1 i..i-.---____..·"Fw_-..-..___........faf...,.,1,••... ,- Vi Reservoir ..._,,..,L,.,.,...............,.1 ___11'1,-0l'I._,...._,.. __...,. ,--.,i..i-.."'·-------~1•t•• IJlllla..a-1...-.1,...........w __._.,.,_•• ,.._,_4f_______________,.,,.__...,._,,_,~ ) -_..,i•·---------.~·-·---•...:..--..-....-._·.,...•-..- Ill Resnrvotfs ~ ,,,C ~ SPELTH.,2!!,.:!,!1 J.'raecli- Spelthome Bo<ough CourcilStrategic Flood ~sk assessment (Level 1) ,.,. ...CltlO.M:olt!lll&lft..iMl,..,,,b,..._.IO~a&lc110M TEJll90,lfDQll!l""""""'IIIDllffl'fiQ.O" M:CW.-i:amlol)UWJl'I' ~-•orN1t~ono!Wi119'1'1\QIIIOfWGllM01t -...!!Jfll!Clf,:o,flL-...:•11ra1.MMll)SO... /lfClt;w.~IQltll,f" ~m...-.oi.,-.1,_,..""1,.,..,._n AEOOW.,.._&r--UilCUMIII =......,._,.....,.t.- EG 1....-.alaO!al A:COM 0 -~ ~?4!.. E4A I oo ;:_ ~ IUJE™ATll"'-'111&alI!f0RAKJ1iSIMIECTTOAIEOell 0 0 o; LEGEND :[ l: QI [=:J ~ Boundary Bonehead Ditch ~ ,.C: Flood Map for Planning Flood Zone2 - Flood Zone 3 - Flood Zooe 3b !Bl Aleas Benetilting from Def, Surrey Historic Flood Records ---Internal Property FloodRoad ---~~roperty ---Historic Flooding lncidenls ---sec WelSpOtS ---Main Rlvers -~~:.:=.-::!-:~==.. - ...•..-i..-•...,_ r..r..,,_,.~ •.,...., ASHFORD ..'""_...,_"""""_,_.,.~............___,,...,..~ !!;!:!~=--.-:.-:::.=.~:.-=-~'~. i:w,ta.,.Juoi1-.lio-.ot\~$tl\ .....,...._III_.... :::::--·~.,._,. ........,.,.._,........_....,,,_..,..,.1~ •• •,_,_.,_r.,._•-••---•.,_•.,. :,i:::=:.::=:::-i~==-=:.:....-::.=-.:.==::= Scrubbing M1U Queen Mary ~ Reservoir SPELTH~~ ""-11- l: Spelthome Bo<ough Courcil Strategic :. Flood ~skassessment (L.,.11) C l t;~ Charlto{ ,.,. ...CltlO.M:olt!lll&lft..iMl,..,,,b,..._.IO~a&lc110M ttill90,lfDQll!l""""""'IIIDllffl'fiQ.O" M:CW.-i:amlol)UWJl'I' ~-•orN1t~ono!Wi119'1'1\QIIIOfWGllM01t f.iA.!!Jfll!Clf,:o,flL-...:•11ra1.MMll)SO... /lfClt;w.~IQltll,f" Laleham ~m...-.oi.,-.1,_,..""1,.,..,._n "8:Dll.,.._&r--UilCUMIII 0 'I: =....,._,.....,.t.- - "1>.c.:--0,. AECOM kilometres - t-,,, ... ~-- Figure4B 00 Scrubbmq Mlill [=:I ~ Boundary Queen Flood Map fOf Planning Mary Flood Zone2 ~.eservoir - Flood Zone 3 ".0 - Flood Zooe 31> er ·~ \ !Bl Alea Benefiningfrom Defences i r " Surrey Historic Flood Records Charlto/ --- Internal Property FloodRoad ---External Property Flood Road ---Historic Flooding lncidenls ---sec WelSpOtS ---Main Rlvers ---Watercourses ---Flood Oeleoces 1t6 ·~, \Ata\\,,o _,......,_'"--- "-,,._._...,. -....,.____..~------...,_,._.......,_...i-.n.t1o1o.-i.--__.. ,n.~--=-,.~.....---.....--....,,,................ =-=,-.i,.__J.~--.---·"--...•-----........·--""'"-...11• '"'--··,._._,.._....,._,"_'"-~-••1·•---- ·-,,_,...,,_r__,,-,1,,,o1,r.........l'\..............-..-..--____.........."'!• -,=='!_____·==·~::--=-,....,.......~ Q0P'mG,fJ ~°""1lnclt~-•o-.i~ !!Mlma-19!1~l.Oinnf--....,G111t;~ /lotfa...-/l«C101l DRAFT ~ SPELTH,.2!!,.:!,!1 Ytqecl1- Spelthome Bo<ough Courcil Strategic Flood ~skassessment (L""'I 1) ,.,. ...CltlO.M:olt!lll&lft..iMl,..,,,b,..._.IO~a&lcllOM ?Dll90,lfDQll!l""""""'IIIDllffl'fiQ.O. M:CW.-i:amlol)UWJl°I' ~-•orN1t~ono!Wi119'1'1\QIIIOfWGllM01t f.iA.!!Jfll!Clf,:o,flL-...:•11ra1.MM ll)SO... /lfClt;w.~IQltll,f" ~m...-.oi.,-.1,_,..""1,.,..,._n AECOW.,.._&r--UilCUMIII 0 =...,._,.....,.t.- - A:COM kilometres ~-- F,gure4C 00 IUJE™ATll"'-'111&alI!f0RAKJ1iSIMIECTTOAIEOell LEGEND [=:I ~ Boundary Flood Map fOf Planning Flood Zone2 - Flood Zone 3 - Flood Zcoe 31> ~ Area Benefitting from ~ Defences Surrey Historic Flood Records ---Internal Property FloodRoad ---External Property Flood Road ---HISIOOC Flooding lnci<len!S ---SCCWetspots ASH FORD ---Main Rivet> ---Watercourses ---Flood Defonce,; Sunbury Common 1Jbbtng MIii -~~.:-:=.-::!-:~==- r:..:.::=::-..:::;!::-.r~- ----·-·..- "'"'"""'"-W""'-1• ::,~=---:.-:::.=.~:.-=-~'· J'woll,._,uw_,._."...,.'" _ __,111_ ,..,,=:».::.:~:::.-:-z.....,_,___________.._..........,._ Quee'l ..,--___..........................._... Mary Resnrvmr ~~==--~9::·=-- Q0P'mG,fJ ~°""1lnclt~-•o-.i~ a:! !!Mlma-19!1~l.Oinnf--....,G111t;~ . /lotfa...-/l«C101l i 0 ,h~rlto{ ··· ,/~· DRAFT ~ SPRLTH.22!: Yrqecai- Spelthome Bo<ough CourcilStrategic Flood ~sk assessment (L""'I 1) Upper Halliford ,.,. ...CltlO.M:olt!lll&lft..iMl,..,,,b,..._.IO~a&lc110M ?Dll90,lfDQll!l""""""'IIIDllffl'fiQ.O" M:CW.-i:amlol)UWJl'I' ~-•orN1t~ono!Wi119'1'1\QIIIOfWGllM01t f.iA.!!Jfll!Clf,:o,flL-...:•11ra1.MMll)SO... /lfClt;w.~IQltll,f" ~m...-.oi.,-.1,_,..""1,.,..,._n ~.,.._&r--UilCUMIII =......,._,.....,.t.- AECOM kilometres ~-- F,gure4D 00 1891.tf)(ATffWMA.EOR.'A-,'IS'lil.UClTO~ LEGEND Wraysbury River c:=i 8"'ough Boundary 1 In IOOyear..,.,,1 1In 100year ..,.,,, including climate - change 1 ln20yea,....,, Wraysbi.ry Func1ional Floodplain Reservoir - M..,Rive< Ordlnary watercourses Klf'lg Gao•ge VI Reserv<>ir 1,.c-,dhl~~,-11:NjplOOIJf!INQl...ill'd ~............_. ,....Nl!llt!WbNn~bN _.1,__<MP.-tr-....i....-- ...... bNn ~ hkl04nlll'fblh~AEPl1io120,-.,-NIII.....II.... iflllllUO'lll~111-11t,-,._,.«.rag1a.""9Cld ........Wllll..,..,.ol~flN1""'-~N ~--t:IIN1\.lcf'loo0..._~...a:-io.b ........_,.lftlC,pal ---~•n...,a_.. ..,....,.~--1,:1011--- ■Jll(Mll1*-,,0--Clll._.llm,.._- ~ SPELTl\2l!,~ SpeithomeBoroiq,Counci Strategic Flood Rlsk assessment (Le,et 1) ~ r- Modelled(Ntliles • Rl'le< Thames ASHFORD 0 kilometres AECOM o:::;;::;: Figure SA 00 Chattern HI! ...:,n;...·;;;.ism.,....,--.,wc1·,;;;..;;;.,.. LEGEND BO<oughBoundary 1 In IOOyear..,.,,1 1In 100year ..,.,,, including climate change 1 ln20year....,, Func1ional Floodplain M..,Rive< Ordinary Watercourses ASHFORD Scrubbing MIii 1,.c-,dhl~~,-11:NjplOOIJf!INQl...ill'd..,_....,......._.,....Nl!llt!WbNn~bN _.1,__<MP.-tr-....i....-- ......bNn~ hkl04nlll'fblh~AEPl1io120,-.,-NIII.....II.... iflllllUO'lll~111-11t,-,._,.«.rag1a.""9Cld Queen ........Wllll..,..,.ol~flN1""'-~N ~--t:IIN1\.lcf'loo0..._~...a:-io.b Mary ........_,.lftlC,pal Reservoir ---~---•n...,a_.. ..,....,.~--1,:1011 ■Jll(Mll1*-,,0--Clll._.llm,.._- <Xl"fflOWT 00,..~_.....,....000-ooo,no,rn ,.,,...,---r,tte>Cl"C.....~IQIIIC'IO.•t---.........,.101,