ST8805-CS 870924Federal Emergency Management.Agency
Wmhins~oe, D.C. 2042~ .
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Tho Bonorablo Idm Dnggan
Nator of the City of eupprlt I
1%0. BOlt
Dear Nayor DeggLqo
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Thio lo tn refer·no· to a Latter dated De·ember 10, 1906, and toabaioB% dam
wubaitthd by ss. Ibabre Deneehaand, C~tr Civil Bqlneer fee tho City ef
Coppell, regarding the flood In·era .~e nlM% (l~l) foe jwr eemmity, la bet
letter, No. DemlmLqd requested that the ~edetd
(FBNA) issue · Letter of Nap mmbLqt (LANAI to %meeel~m~e mlm~otod mi
and floodplain modiftoBtlmm &toBg Dee·oB Ct·ab. ~be area ef eec·ere for ·hie
request ut·nde free Den·o· Tap Road to De ~oreet Bed. M% nooeaoaq Muff&tn
to pr·ucc, thio rqueet uen received aa of Jme
It ob·eld be noted that m Id3NA Lo to··ed oBI% to remove tho lpoela% Fl·ed
Hazard Area (iF·il daeigua~AoB, ob·va, oB tho offee~AN Flood leo·ram Dele
Nap (FIlUi), free Lq area oBoBpied by · particular wtrueture if it lo above the
exiotteq Buee (lO0-zear) FImM re·WeB (BtlJ, Deeauno thio reqmt lO hoed
on a euepletad abaLqel nodifieatAoB, ·blab rel&t~g ia · rofnotAoa in b Brio
and b 100- a~ S00-yoar floodplain dali·ti·e· aL·ag · pr·loB of Deem
Creek, · Letter of Nap aovimiLq (LCm) to the Fll, FAIN, Idd fid
end Fined·cF Nap (FBI, NJ lo beAng ioeued in itu of · Lal~. a Lalat Am needed
to revloe the MI· and I~ M S00-yomr floBdpl&ta dali·tAm deq Des·om
Creek IMned oB abLqge· 1· ~be hydra&tie par·et·re ueed ia the el fee·iN
%1~, end FBBt for j~r em·miry.
#e have revieued the o.baitte4 data that uere prepared by ~l~ee4~tll-Om.k% ·
&mue~Aa~ue, ~hleb inoluded the folle~Lngm ll~-J b/dr··lAc modalAng of pre-
and poot-ebMl Bodifioatiee eondlt~oM, dated ~eao 19, lte?t ii·i) WW
uapping, dated lepta·diet Ii, 1lOS, reprueeutieq the prep·ced elmqee to tho
fiB, FII~, md /Ifll. Be·ed OB thee· da~a b ~ lid 100-J~ar
elevaLtono, i b l~-~ea~ (loBe A3) and S00-j~ar (Ieee l) flondpbitm aleq
Den~oB Creek have DeLq re~loed for a diet, ce of q~e~Ama~el% 1.6 Mlee
der·orr·Lq of IMam ~ap IMM. ~hi8 LCNR amends ~ and
~uel M end b Fll teat, a11 ~ vhieb ore dated IPMmierr
changes are oM oB the en~loend floo4 profile she·tom am·taM f%l t~llt
Table J/entitled 'fl··dYer DeU'~ aM·tiM pr·lea of ~ MI
and mM·tm·of per·loB of fl~q panel 00qS. PIoHo note that the leeattm
of tho Den·o· Creek er·Be oe~tioBo · and c ha· beLq rev··ed,
And~rmon-Bnginaoro, Ina., ia ~urrentiy reotudying mmrml mtrm d~im b
hm~ on ~ ~erm~ ~*m~ mlpem.
Public notification of thio ~ Will be given in Tho Cttlseno Advoca.~O on or
about O~tober 9, 1981, and O~tober 16, 10lT. k copy of thio notification il
en~loood. In addition, notice of ~hangeo will bo poblAehed in tho federal
aeslater. We e~ournge you to supplement thio notification by preparing n
article for publication in the ~mmmi~r nm·pep·r. Thio article ohould
deocribe the changea that bove been Bade and ~hat Moiom b oeemmit~ eau
give in providing dat~ and interpreting the mapo.
It ahould be noted that National flood XMur&nae frogrm rnguiotio~ 44 CFR
60,3(b)(?) requirea couuunltiee to 'aaaure that tho flood carrying capacity
vithin the altered or relocated portion of ~ny. uetorororoe lo ueintdnnd."
Thio provioion ia lnaorporatnd into your ~muunity*e exlOting floodplain
nanngeMnt rngulat/oM~ coMoquoutly, reoponoiollity for eeintoMnoo of tho
uodifind chang, el roots with ~our ~ou.mmity.
The roviond lfBe are effective aa of the date of thio lettor~ bouevor, Within
90 days of the on·cad poblieatiou in The Citioono M:: tO' · eitloen ney
requnat that fBNA re~nalder tho datorulnation mode by thio LCfii, Any roquoot
for recouolderatlou Bust be booed on nalentifLa or tod·ice1 date.
interacted partioo are on notice that until the ~O-dey period eiopoee,
deteruination to eodif~ th il~ Irooented in thio ~ My itooif bo Budlfid,
linde this LO~ Will not be printed and diatributnd to aero onab 8o lnourenae
ngonta end ~endero,. tho aaa·miry WI~X ecru aa · ropoeitory fez the m
eo en~ournge you to diaeeeinato Widely .throngbout the cam·mitt tho lnforue-
tion reflected by thio ~ in order ~het interacted ponoao e~y offer
loforuation or o~nanto.
Tho datoruin~t/ou Bode in thio L(~lt ho boon ado force,ut to ~~ 2~
~oiq eM ~kn ~ul~nt Mt of t060, F.L. ~4M), 4a g.l.e. 4~1-41M,
eM 44 C~ fart iS, M rquird ~ ~lo IqLoIeU~, I ml~ wot
eM o~or~ fl~plain m~nt rqulbti~ ~ ~r M m~e ~ti~
e~gibil/~ ~ ~rt~i~to la b ~timl fl~ IM~am ~m. brefore,
elevatiom aM s~ &ol~atl~ l, ~ l~ ~ o~ ~ ~
The eof aolioted above end ao mended by thio letter ulll be uoed for dl
flood incur·naa poi/cleo and renevala iaiued for poor nan·miry.
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Any questions My be diroctod to yourtCono~Gtat, ion Coordinatioa Offieer,
Bncloeureo :
nat ne, IhOhre Oenaohnand
II~-erely,
Chief, Riuk Otudloo Diviolon
federal IMuranaeadainiotrat. tee
Nr. Art Ilhitnay, lloblrtl i Dovdey
Nr. Carl V. Anderson, F.B., Anderson Engineers, Ina.
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