FLOOD03470

• Designation Number: 163
• County: Pitkin
• Community: Unincorporated Pitkin County
• Stream Name: Crystal River and Coal Creek
• Basin: Colorado Mainstem
• Title: Floodplain Information Report - Crystal River and Coal Creek, Pitkin County, Colorado
• Date: 10/1/1979
• Designation Date: 7/1/1980
• Floodplain - Doc Type: Floodplain Report/Masterplan

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The floOd profilesPRdy be yse(l in (iredS where (:ontroversy arises over the
1l.JO-year flaod boundary on the floodeddrea sneets. Since tne f10odpr()file
plates give the elention ~nd distdoce or stHioning fronl ~ known point, the
hi 911 water elevations can be surveyed on the ground tQ dl h:viate dny ~iscrep-
ancies on tll€ tJdse map.

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return, communities and countie~ dre required to carry out floodplain man~ge-
ment mea sures to prQtec t I; ve, dnd .~ew constructi on from future flood i ng.

F I 00<1 insu rtlnce through the Na ti ona 1 Flood I nsurdnce Progrdm i s ~.d i 1 dO 1 ~ to
d 11 res; dents of Pi tk in County under the Emergency ~h~ se of the progrdlTI.

To det~rmine tile depth of fluoding or crle tloonpldin limits at ony locdtion
in the' l'i~l d, the fol )owiny procedure5 shoul d be us(>d:

i
,
I
,
I
I
I
I

Single Family Residential
Other Residential
Contents, Residenti~l
Slndll Bu~ i nesse,
Contents, Small Bu~iness
Other Non-Residential
Contents, Other Non-Residential

The following amounts at the Subsidized rates ~re avoi laDle under the Eoner-
gency Ph~se:

1 - Loc~te the yroufict point ~t whiCh the d~pth of tlood ing Or the flood~lain
1 imit h to he <.'st~bl iShed on the I" . <00' floo<Jed ar(>~ map.

Total Amount
A~ai1dble
$35,000
loo,uuO
10,000
100,01)1)
lUll,OOU
100,1)00
100,000

2. DeterminetheeleyationofthewatersurfdcedttheselectedgrOundpoint
from Tdbl e J by i nterpo 1 dti ng tletween the water surface e) eVdti ons gi ~en
for two adjacent cross wctions dfid referring to the profile drawin gs,

3. Usi ng the cl o~est mOnl/l1lefi t for el evation contra 1, determi ne the water
~urface elevation dt tile grolmd point by standard surveying techrliques.
rh~ floodplain limit is established when th~ 'ldtl'r ~urf,]c" f.'levHion in-
tere~pts the yruund Sllrt~ee.

Sutlsidized
Rateper$lOU
of Co~erage
$0.2~
U.25
1).35
0.40
0.15
ll.40
Q.15

\<IherlP1tkinCQUntyiseonvertedfromthl'EmergeneyPha,etotneRegU\uPhdse
of th~ progrilln, sub~tantially increaSed flOOd ins"r~nce co~erdg~ will he
aV<lilaDle. All property owners Shown in this study to lie within areas sub-
jl'Ct to flooding 5hould consider the purchase of flood ins~ra~ee.

III l()<'ilt" t.11P "(I~':' '!f t~~ nuoGpl"~n ~(,. ,j,1l~1" ~~dl iny lTIetnoo~, Ilwdsur('
the di 5tdnc(~ on ttw 111.11' fro", two ur more physical f"iltur"s th~t tdn h,-,
irlenti fh~d ~ot~ un the mdp and in tne fil.'l d to the ,><I'll.' of the tlo()d-
plain. Th<: noodpl~lJl lilllib ~dll be e~tdollshed by lilyiny out tne mea_
sureddistdrlCesin tile field_

AOrlitilJrldl informationontheFloodlnsuraneeProyramiSavailabletromloed1
inswraneeilgentsorurQkersan<lthe:

As explained in the paragraphs descri~ing Shallow Floodin~, there ore
I-'or-tions ot th{> tloodplain whiCh dre ~~bjl'ct to flOOding to <ll'pth~ ~l.~ feet,
caused tly upstream conditions. Thus. tlooding in these areas cannot be
veri fi ed tly th€ tradi ti ona 1 nlethods <leseri bed aboye. These sped ~ 1 areas
weredeline.ltedbyspeeidl andlysis.

Federal lnsur~nee Admini stration
Uui1ding71U
IknverFeder,IlC,,"ter
La~~wood, C010roldQ H0225

Telephone: 2J4-b~H2

~~_(!QU_1NSIiRAI:CE
fn,. N,ltiunal FlOOd IW.u,-.lnu, ~ru9rdo(l 1, d F~de,-~I program tlldt ,'ndhles pro-
perty ow"er~ to huy f loud i nsu ranee at J r~dSQna~ 1 e, >~l>si d i ltd cost. 111