FLOOD07595

• County: La Plata
• Community: Durango
• Stream Name: Animas River
• Basin: San Juan/Dolores
• Title: Floodplain Information Report
• Date: 6/1/1974
• Prepared For: Animas Regional Planning Commission
• Prepared By: US Army Corps of Engineers
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

PREFACE

The porti';l11 Qf fhaoangQ and ad.jlJinirJ(J ta>1d8 eQIJered by this report
al'lt subjeot to j7,~ding [rom the ArJ1.mas River and L0htJ1er. JW1ctiorJ. and
[)py Ouleh Cl'eeks. Lightner <Wi JunetiQn Creeks are tJOibu~e8 to the
A>11.mas Riv(Jr and Dl"!/ Gulch Cresk is a tributCll'lJ to JWlCtic>1 Creel(. Prop-
erties al.ong the atreams u>lder etu<t; <2ro agricuZtu1"aZ and residential:.
and haw be(Jn m<:>derateZy damaged in the paet, ellpeciaZZy in 1911. 1927.
and 1972. ReeQrM 8hew that fmdll have QCCUl"l"ed in the area at Ze/Ult JI)
times since 1884 or about once every J years. 0>1 the average. AUhough
Zarge !tood8 have OCCUJ'Z'8d in the pallt. etudies indicate that eV8Jl Zal'g(Jr
/1-<xJd8 can occur i>1 the fu.tu:re. Several fl.ood controZ projects tllat cou.ld
ZUlI.m fut~6 fl.ood damage in the ,tudy aNa halle ~en inllesti9ated. but
presently none is authorized for constl"UetiCl'l or fu:rthel' study. Accord-
ingly. fl.oodi'tI{J tmd flood danage can stiH be e::pected.

Thi, l'tJport was prepared Wcal<se knOlJZedgl1 of potentiaZ fl.ooding is
important in the tand-u66 pl<l>ll1ing of fiood pl.aina. It ctmtaina infor-
rno.tion on paat f1.oodJJ. and maps. profiZea. and cross sections that indicate
the appro.:d.mat6 Cd611t and depth of inWldati<m from t<Wge f7.ocds tlw.t awl
reQ/lonabZy be e:r:pected to 0= in the f",ture. For pUl'pOuell of this report,
theue f",turc f1.00ds haue oo<m d4signated as ths Intermediate Regiona'/. and
Standard Proje<'Jt PZcod/). '!he ,...port proIJides the City of Durango and
La PZ4ta County a basis for I/tudlJ and p~an"ing for optimum uI/e and dellewp-
m.mt of fZood-prol'l~ al"ea6 thl'Oll!lh wning and I/ubdiuision 1'C9uZatwn8,
col18tl'l<cticn of f/.cod controt projects, 01' by a combination of these and
other approachel/ to reducing flood hazards ar.d !tood danage. Information
ctmtained in tl:e report r./Culd a~so be Wleful in pl'Oqrams dealing !.lith the
enuironmental aspects of tr.t) study area and its Zand~1<8e l'O~e aa part r;f

its surroundings.
flood problems in
does it e.:ctend any
flor;d plail'l "/le.

This report was p1"BparBd at tilB req",est of th6 Animal/ Regional
ptanl'ling Commission, La Pl4ta COl<nty, and t1ul City of Durango with the
indo1'8B11lent of the Cowrado Water COl18eruation BoaI'd. under the aontil'luing
authority pl'OlIided the Corps of EngiMere in Section 106 of tM 1960 i'Zaod
Cr;ntrot Act (Public LG1JJ 86-64S), aB ()11!(lnd6d.

ReCOl'l"lendatW>l8 01' pZa>l8 for 60tution of continuing
the study area are not incl",ded in this rePQl.t. Neither
i'edera~ authroity over Zlll1ing or ot1ulr l'89ulation of

."

The Saoramento District gratefuZZ" acknolJle4Jes the assistance <PId
cooperatwn of the Animae RegionaZ ptannino C~S/lion, the city of
D1a>ango. tM Colorado State Departm~nt of HighJ.,)ays, the [)urango H~rald,
the 8"'1'6al< of Redwnatian, the U. S. FONst S~rvice, the U. S. Soil
COI1sel"Vation Service, the U. S. Geotogiaal $!qvey, and others who directly
or indil'l1CtZy aided in t1ul preparatwn of thie report.

Th~ A>limas Regi<mal. Pl.anning CO/mr;sswn wiU mak~ the information in
tllis repert avai.'/.abw to an intereeted agenciee and individuale. copi~s
of th8 1'6port and information on its WJe are <:rJailable from that Cl{Jency.
The Sacramento {}iatrict of the Corps of Er.gineel's wiZZ pl'OlIidc copies of
the l'8pOl't and information 0>1 its use a.re a",.>aiZable from that ag<lncy.
The Saar=ento {}istriot of th<l Corps af Engineers r.n:1.l provide copies of
the report to ints1'<l8ted Fed8ral age>laies; techniaal. assistance to local,
State, and Pederal. agencies in the inte1'pret<Xcion and Wle of data p1'6-
IItmt6a hereil'l; ami otlw,. alla'~:abto; flood data; r<:Zatcd t/o.crato.

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