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A B ELEVATION RE ERENCE MARKS REFERENCE ELEVATION MARK (FEET NGVD) ESCRIPTION OF LOCATION RM7 5171.70 Chisele square, narthwest corner on In erstate 80 bridge over Washing on Street. 1 RM16 5146.721.1 mil s north of Welby, 2.0 miles west of Derby, chiseled square on con c r e the a dwa I I at i r rig at ion ditch 1, 5 north of north-south road crossin Union Pacific Railroad 20 feet so~th . and 40 feet east from ; u n c t i oT 0 f T - r 0 a d e a st. 5131.03 Railroa<t spike north side powerpole, southwest. corner 86th Avenue ind Steele Street. 5084.79 Northweft bridge abutment, East 88th AVf.nue and South Platte River; chisele~ square. 5341.76 A stand~rd tablet, stamped Thornton 1960 342.6, set in 16-inch concret post and flush with g r 0 un d, 28 fee t from c e n t e r 1 i n e 0 f D ot 0 thy I 8 0 u I e v a r d , 8 8 fee tea s t 0 f bottom step of Thornton City Hal I, 9 feet ~outh of side~alk leading to City Hafl; U.S. Geologic.al Survey. RM17 RM19 RM34 RM39 5333.99 EASTINGi - 2,140,596.27 NORTHING - 188,281.85 ! RM56 Paintediwhite square on northwest corner !of Union Pacific Railroad Bridge ~ver Burlington Ditch. i Chlsele~ square Ofi concrete base of fencep~st 25 feet north and west afinte~section of 64th Avenue west C 0 lor a d b B 0 u I e v a r d( U. S.. G e 0 log i c a I Sur v e y ~ a t um) . 5130.58 RM58 5143.37 2 NOTE: ALL GRID COORD NATES ARE EXPRESSED IN FEET WITH REFERENCE TO THE COLORADO STATE PLANE COORDINATE SYSTEM, NO TH ZONE. 3 4 5 6 105000'00" 39052'30" I I' I ~ 10..... (21 CITY OF NORTHGLENN -I-:-:::~ _ i 96THPL~\ k .>---t:: I V - 96TH AVE ) I 11 CROJ I ~ I :s>/v~ I- LU LU cr. tn CONIFER RD ~ ~ '- . 0 h ',,- ~\~ l~~ ) j ZONE X t; ~ ~ j . ~4-l'~_ ~ i r\1 FOX~ ~ 'L_ ~ ('t'I WEST 91ST ~~~~0~ z o WEST 88TH 87TH PL \ -- POLARIS ZONE X PLANET r-~ MILky ..0 MILKY ..J!!f:.L. ~ ~~ ~tol0'~ Z~E fribtttaT1 LIMIT OF STUDY .28 \, RM39 CITY 1 I I --- tJ P7 ) VVi:sr - ~ 80TH ~ / x,~'\ S'\'{\ ~ ~ 't-% 00 <::> ~~~ 33 ~'\~ ~O '-- DEL ~ ---~ ~ ~ ~ ~ <:> ~ S'\~~~'\ ~~ ~~~ ~~~~ ~ n-2S \ \ Q T3S -- ....... , tu uJ , ~ e . tu > a: o x o LL. 4 ~ W 68TH WAY lZ .t!j WES1 68TH AVE ~~ cP ::.! a: :5 u i. f + ( I~ 39048'45" I. 105000'001" c 22 \ ;) / ,,,\~'i ?~~'t-\j" ~o~ ~~ -<...-<-0 ~~ AVENUE S0~\...\G\-\\ \...~~~ PLACE I - "'V ~ EAST -1 27 84TH / ( \ ( . ~L I~ DRIVE r-~ --~ '\. I C DOUGLAS I AVENUE STREET \- I , , CRAGMORE CORTEZ ST CAMPOS ST :: - Franklin ~'~~,Reservior "t/ / 1// <"$k /11/// CSl 11/ lSl 1//"1"1"\ BRONCO RD - TURNPIKE ----- ~ \ , J I ~ ~ <:) c;- $' Q ~ LU cr. ~ :5 LU o \ . JOI \IS PANEL 0038 ~~~ ~ I czt: \ l) 7 D ZQNE X CITY OF THORNTON 080007 t,......- \ I OF FEDERAL HEIGHTS 080240 I l "\ \-7, \ NOTE: MAP AREA SHOWN ON THIS PANEL IS LOCATED RANGE 68W WEST AND TOWNSHIP 2 S\UTH__ ~. 22 EPPINGER ,/ I- LU LU cr. I- C/) ) RUSSELL , ~ ~ o \ , , EAST I I I L ~ ~ ~ EAST 86TH \ ~ ~ 4~ ,~ I \~~~~ ~~ jl ~~:E~: n B2NDI O PENNSYLVANIA STREET EAST 85TH U'l -l Creek ZO~A LIMIT OF DETAILED STUDY PENNSYLVANIA WAY .I \ EAST ill' 0::: ~ WITrIN, J , 34 1 \\ ~ ~ 88TH - I 80TH I- LU LU cr. I- C/) AVENUE AVENUE _ ...J cr. <( LU a.. ...J cr. <( LU I a.. DR I...- 11-- - \\\\\\\\\\ ,,\ """, e \\\\\\' \.-e~~\\\\\ \\\\\\\\ \\\\\ - ~ ,~o7 VI ! ) ^~~ j I '" / ST ~ I I 1"""""::- ~ 7 >- ~ ~/ ( / :t) I ,:) (;) A mM\5 .;i 0 Clear Creek - o >- ~ o ~ cr. co ~ " 16~ w ex: t;; ~ ~ z <( <:J o ...J 10 . 'It o 66TH I- LU LU cr. t;; 1 - ,,- v qI.TY OF COMME. RCE CITY~ t 080006 .1 ~ ~ <X> r-- <0 co a: a: 1;~ . RM5~' 1~ I · I 39048'45" 104056'15" E F G IJ 1 JOINS PANEL 0039 EAST 97TH AVENU~E~J.~~_ EAST ~~ 90>;, MI~'ciC~EEJ EAST to 98THI I ~ ~ J 7'--.. .. (; . . Ir: F . 90>;, C<, Iy I iB I '1 ~ t;- ~ '<...- L EAST96rH # tn~. l.JqS'~A ~ '0 ) !B fC o~ E 97"1'u Q ~/1;-4 ::.! ' 1t;,;z ~ r:r:: .- 1/1 .... 23 EAsr,.., Y cr.o 111~ ^ co ~1I,l' <" ~ . ~ C/) ~ l Z-4c~ 0 19 """" I 1"'/ "'" t.;; V' ?:~' 8 vt;.~~~""f.tc "'<(;; t; v/;y LIMIT OF >-tA,sr <.. :5 I- ~ - -- ~ EAST au/, ..... ~J ~ ..0 (.<v. DETAILED STUDY ! ....J U UJ CL4 6 0 '...---97TH ~y ~ 5 .:3' h ? Q;.~ ~ I)l-<1C. GAYLORD PL 8 ~Q) t;~cYrON g: ~ ~ AVENUE C/) :.:::. -:p v I - 97 IR LU V) ~~' Colorado 8 <D EASi 6TH, AST I/Z0NE AE LiJ '1'1-{ 41/tq ~24 ~ ~ $ Agricultural Canal ') 96TH CIR (J ~ 5220 '~2 / ,52b9 EAST 96TH WAY ~ ~ EAST 96TH PL ~ o.@/ PARKWAY ~\- ~~ l() THORNTON ' ~ LIMIT OF ZONE q:: RUTH DRIVE < ~ PARKWAY 1 DETAILED STUDY ~ ~O); c> \ 5158 5157 ROWENA STREET '\. ~ 8 J "': ~J;><<Yi,,~"'" $7;>" ~4~ EAST \ 95TH AVENUE / _ - ,--r T J 1Q:' FLOODWAY IN THIS AREA TOO NARROW I '0. Go ~ TO SHOW TO SCALE. REFER TO '\' ~ FLOODWAY DATA TABLE. . COURT FILLMORE ~ 0 ZONE X CAR\ROL COURT MILWAUKEE I COURT 94TH DRIVE t:.~~~D - EPPINGER BOULEVARD !;;J' "- .3;9'J;:;. FLOObWAY IN THIS AREA TOO NARROW C/) t; ...J >- TO SHOW TO SCALE. REFER TO 0.. ~ ~ i :LOODWAY DAtTA TABLE. ~~" ~ t; l ...J C/) Iii LU ~ ;{ J.;;.. Ld LU :i! _~ (j C/) z cr. I- "" ~ ~ ~ tn w e cr. ...J : ~O\)LE\JA~D ,,~ ~ !V- ; POZE \\1'1',,\\1'1'1 - ~-- LZONEX! - THORNTON - o ~ Gj ...J ::> o ell I Lower C7neky 5136 J ,( ~~ ~~HA~ ~ ~ 1 ~ B-rc.. cr. J:c 5120 ~ 5105 0 Or & /~ tn ::r: " <( CI,) It) ~ z..J 92ND ~ fJ:J~ j AVE 1-~ \ E 91ST DRIVE ZONE X <S- (d ~ RM3~ \ 5142 I- LU LU cr. I- C/) o ,\\-\'i OOf(/. "t. 1: o ~ ~ ~ ~ ~ P~Ct !!! ~ ff tP ~ ~ 0 -..J ~ ~ ff H ~ ~ CO <::.: ~ a. G'V;,,'P ~??\~ c,'\ x,~ \f-- ~ ~I(.O c,'\ <0\,.0 ?\:)<i-) a,,~tr ~--{" 1z ~ (' \. J i- ~ .~ ZONE X J ~ ~ &~. s ZONE ~ ~" AE Q,"if . G Sl1it;,4f&~. i:RIVE~~,'f '" ~ Q ~ ~ ~ 00 ~ i>1-... 0 .~ ~A" cf & Ii ~ O' .."Iv. ~ t;- ((' J if; ~ 91ST AVENUE , <Q ~~ 0 . (J EAST 90TH PLACE c ~09b, 19 t I- LIMIT 6088DET~iLED , STUDY BOULEVARD o ~ ~ - - ~ ;;(\ . ~ ~ ~ ~ ~ ':I- / -~~ I- LU UJ IE w CITY OF THORNTON I 080007 ~ ~ ~ G z o I- <D Z I C/) ~ BOULEVARD E 90TH AVEtUE _ ASH . i COURT .z. 1 ~ EAST 89TH AVENUE .:; , ~ ~ \ PLACE ~ l LIMIT OF j CITY 0 THO.RNTON DETAILED 7TUDY~ 5194 1;; ADAMS COUNTY - - ~ --~~ ~ I ~ ' 8 )~~ ~~~~'\ J - ~ <ij~ (\I(j rdL-.J $ ~ <6' 4i i,....-. - , -.... ~ -T Q L (:) ~ 0"<' III ::: / - c~"v. q:: Q ~ ~ EVELYN "1q; ~<v ~ a: ~ <::)q:: ~ v , II I-~ . ,.,- HOPKINS ~~ # ZONE AE/ i G:l U ~ # : 0',>- ~ ~ <::) 7 ~ ~ , , :4. ~-S> ~ EAST 89TH AVE C1J IJ :I~ ~~; ::~: ~~: ; \ - NORTH I ~ EAST 88TH CIR J. . 5078 SOUTH ZONE f. RM19 88TH AVENUE"r ~\ I I ~ ~ . t: ~ ~ ,,[ (j ~ (jjL <::) !!J 1:: ~ E 89TH AVE o &1 ~ ~/. OAK PLACE ::.! cr. o >- MONROE STREET OAK AVENUE / , . EAST i~0- ~ c> r'. ~ t-... ~ (Q ESSEX / 26 i * LlJ 5 ~ 5080 .: ZONE X ~ ZONE~. . -L'" 5082 ~\ 5~ RMl71 __ . _~ EAST AVE:zjUE / ~ MADJ~ISON WAY COLORADO 500-YEAR FLOOD >:.~ >- ~ COURT . CONTAINED IN ~B ~I ~. . I CHANNEL. 1,/ '/~~~~ ~ v L(~q:: <) ~~~~ r!,}:i ~::.! f~O .f~~~S~~SO~, c3 8 (j ')~ ~ <( u . 25 L,I _T . MONROE '\ ~ HARRISON . CIRCLE , \. CIRCLE ( tu ~ JACKSON W CIRCLE ~ GARFIELD ~ CIRCLE ~~ I ~ ~ ~ ~ ~b ~, f1( fM16 ZONE X BOULEVARD --"""'H i'(ii I t> ~ ~~~ JOLENE 1 - MABEL AVENUE 3: o co z <( cr. AVENUE i~ '0: o >- DRIVE I 83RD PUACE I(+\J WU'l@; l)-Y11 0 <: ~ ~ ~ ~I ~ . ~ ~~ l<::)~ A..~S EAST 84TH EAST 83RD PLACE EAST LU U :5 a.. LU . ::) Z LU ~ E 83RD DRIVE NUi:1I4 :-<.. <t;-f:;) -!y v~ 0s~ ~ DRIVi: ~ <<.,,~ oQ;. ~ o~ P <fv .5'O.9a CORONADO PARKWAY SOUTH COURT z o U'l ~ ee :5 u <()- co tv. ~ <0 """4:' J """-- ,- SlREE J ~ ~ R ~o Q<i; ZONE X o ~h <<' NNER ~~8i o v""<<) CORONADO PARKWAY ..... NOrTH I- C/) LU ...J LU LU I- <I) ~ ~ ~ ~ LU "<xv 1=:0'\ A\:) LU E ~'\ <()- \ ~ ~ ~~ 1 ~ tn ~,ro (~roro 6 .'j- ~X5 (<6 tgI 't- l{) / ~ o 4 ZONE AE Q CD Z Z ~ o AVE ZONE" AE I lYJ '\ ~ ) <D Z Z ~ o o '~ It-l II. IU (\ 4i C) ~ 0) ~ l() ~ 5160 't- ~ 00 ~ \ fl . u,\wfP' ~f'.C II I Canal ~ ~ ~. EAST ~ CLEVELAND/ STREET creelt WELBY PLACE WELBY PLACE ctear ADAMS COUNTY U~INCORPORATED AREAS 080001 ZONE AE I- ~:l tn Ii 35 O~ \ I ~ I ::.!i eel 01 .>- ., ZONE X ~ /eJ Wr, AO . AP "-I .<4Q - o EAST ~ (n m 74TH AVENUE ~ o EAST 73RD t Q Clear Creek 'So ~~~~0~ ~ AVENUE ~ ~ I Clear Creek i Washington Street Ovefflow EAST \ 71ST 8 ,,~ I o ~ T2S ZONE X V T3S I~ 1.. L- ." 1()'\~ .,:. ~- ~. , o /~ l{) (V) ~ o E~S1 EAST 70TH AVE EAST 69TH PLACE \ ~ee 've ~ t'V ZONE X III ~ .~ c z. '6 z ( ~270 . ! . ~. 1--. ~ 1 '" it ~ ~ I I AVENUE G .~ ~ o o <( a: o ...J o U 2 BM7 - EAST ~ J \' \ ~ 6~ 68TH I- LU LU cr. I- C/) ti:i LU cr. t;; I ~ fo .... ~; ~ I- LU LU g: C/) () il: () ~ ::.! cr. o >- ZONE J P (DEPTH f) ~ ,/ -0 b =n () ZONE X 4" ~ AVENUE . ~ ~ t5 o 0:: o (!) C5 5: () A - z :J ::.! Z <( cr. LL. z o I- <D Z I C/) ~ <D Z Z ~ o o ~ t> 0) co a: I- 6'7;>; ~ "9' ~ ZONE AO (DEPTH 1) 1,1 ( 511.5 ..:=::::~-=:~.:::::::::":~~':::'~, . . ~ JOINS PANEL 0340 \ LIMIT OF F~OODWA Y Sand Cree 104056' 15" 39052'30" ~- fir In M M o ...J LU Z ~ C/) z o -, Iii LU cr. tn~ i...- \ LJ C. VV D Co,," I ~ l) A V I;:) D FRAME LEGEND SPECIAL FLOOD HAZARD AREAS INUNDATED BY 100-YEAR FLOOD ZONE A No base flood elevations determined. ZONE AE Base flood' elevations determined. ZONE AH. Ftood depths of 1 to 3 feet (usually areas of pondingl; base flood elevations determined. ZONE AO Flood depths of 1 to 3 feet (usually sheet flow on. sloping terrain); average depths determined. For areas of alluvial fan flooding, velocities also determined. ZONE A99 To be protected from 100-year flood by Federal flood protection system under construction; no base elevations determined. ZONE V Coastal flood with velocity hazard (wave action); no base flood elevations determined. ZON'E VE Coastal flood with velocity hazard (wave action); base. flood elevations determined. FLOODWAY AREAS IN ZONE AE OTHER FLOOD AREAS ZONE X Areas of SOO-year flood; areas of 100-year flood with average depths of less than 1 foot or with drainage areas less than 1 square mile; and areas protected by levees from 100-year flood. CD OTHER AREAS ZONE X Areas determined to be outside SOO-year floodplain. ZONE D Areas, in which flOod hazards are, undetermined. UNDEVELOPED COASTAL BARRIERS r~""~"1 K~~. Identified Otherwise 1990 Protected Areas are normally located within or adjacent to Special Flood Boundary ~- =I Floodway Boundary Zone D Boundary Boundary Hazard Dividing 'Coastal Within Zones. Base Flood Elevation Line; Elevation in Feet. See. Map Index fOr Elevation Datum. Cross Section Li~e Dividing Special Flood Zones, and Boundary Areas of Different Base Flood Elevations Special Flood Hazard ~ 513 @ Base Flood /Elevation in. Feet Where Unifdrm Within Zone. See Map Index for Elevation Datum. Elevation. Reference Mark (EL 987) RM7X . M2 River Mile Horizontal Coordinates Based on North American ,: Datum of 1927 (NAD 27) Projection( 970Q7'30". 32022'30" NOTES / ' This Jap is for use in administering the NatIonal Flood Insurance Program; it doe not nec.essarilY identify all areas SUb. ject to flooding. particularly from local rainage sources of small size, or .all planimetric features outside speCi~ Flood Hazard Areas. Coast I base flood elevations apply OnIY..I~ndwa"'d of 0.0 NGVD, and include the e ects of wave action; these elevations may also differ significantly from those developed by the National Weather Service for hurricane evacultion planning. ' . Areas of Special Fl009 Hazard (100-yea'r flood) include Zones A. AE. AH, AO. . A99. V and VE. , Cert~i1 areas not in Special Flood Hazard Areas may' be protected by flood control structures. . Bounlries of the floodways were computed at cross sections and interp lated between cross sections. The floodways were based on hyd.. !;c consldemHons _ ;regard 10 requ;rements of lhe Fede..' Emerg ncy Management Age~cy. FIOOdlay widths in some aleas may be too narrow to show to scale. Floodtay widths are provjded in the Flood Insurance Study Report. This rpap may incorporate approximate boundaries of Coastal Barrier ReSOUre System Units a. nd jor Otherw. jse Protected Areas established under the Coastal Barrier Improvement Act of 1990 (PL 101...:.591). Corpo te limits shown ~re current as' of the date of this map. The user ShOUldl contact approprl~te community officials to determine if corporate limits have changed! subsequent to the issuance of this map. For cjmmunity ma...p/revision history prior. to countywide mapPing., see Sectio 6.0 of the /Flood Insurance Study Report. For a . oining map.' panels and base map source see separately printed' Map I dex. MAP REPOSITORY , Refer to Repository Listing on Map Index EFFECTIVE DATE OF ,COUNTYWIDE FLOOD INSURANCE RATE MAP: AUGUST 16, 1995 EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL: Refefto the FLOOD INSURANCE RATE MAP EFFECTIVE DATE shown on t is map to determine when actuarial rates apply to structures in zone where elevations or depths have been established. T. 0 d~termine if flood insurance is available, contact an insurance agent or call t~e National Flood Insurance Program at (800) 638-6620. . APPROXIMATE SCALE IN FEET 1000 0 1000 I---i . NATIONAL ROOD INSURANCE PROGRAM FIRM FLOOD INSURANCE RATE MAP ADAMS COUNTY, COLORADO AND INCORPORATED AREAS PANEL 330 OF 875 (SEE MAP INDEX FOR PANELS NOT PRINTED) CONTAINS: COMMUNITY NUMBER PANEL SUFFIX ADAMSCOUNlY. UNINCORPORATED AREAS COMMERCE CllY. CllY OF FEDERAL HEIGHTS. CllY OF NORTHGL:NN,CllY OF THORNTON. CllY OF 080001 080006 080240 080257 080007 0330 0330 0330 0330 0330 G G G G G MAP NUMBER 08001C0330 G EFFECTIVE DATE: AUGUSI16, 1995 Federal Emergency Management Agency