FLOOD05233

• County: Larimer
• Basin: South Platte
• Title: U.S.G.S. Floodprone Quadrangle Maps - Carter Lake Quadrangle
• Date: 1/1/1960
• Prepared By: USGS
• Floodplain - Doc Type: Drawing/Map

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UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL .,URVEY

MAP OF

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CARTER LAKE RESERVOIR QUADRANGLE
COLORAOO
7.5 MINUTE SERIES (TOPOGRAPHIC)

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Approximah' bounllal"it'~ (If floo(j.prone art'as are shown on thi~ map. There i~. nn the
ave-ragt'. about 1 chane€' in 100 that tht, d('signatt'd areas will lit' inundah-'d in any Yt>~U._
Thi~ information is important to public a~t"n~it's and prh'att. dtize-m. CO!1ct'rrwd with futurp
land rlt>\'elopments.
The flood-prone areHS havt;' lwen llEdineated throu~h lIS(' of readil..... availalJlt' informa-
tion on past floods rather than from (letailed fi('ld surveys and inspt'etions. III g'pneml.
the delineated areas are for natural conditions and do not take into cotl:.:;idt>ration the pos.
sible effects of exi.sting or proposed flood control structures except where thost' effeds
could be,evaluated. Flood area!'! have b€'en identified for: (1) urban iU'€'<lS whpre th~> up~
stream rlrainage basin excet-ds 2;) square mill>g, (2) rural an-as in humid regions where till;>
upstream drainaJOW basin exceerls 100 square miles, (3) rural areas in semiarid n-gions where
the upstream drainag-e basin ex(.'eeds 250 square miles, and (4) smaller drainage basins.
depending on topography llnd potential use of the flood plains.
The 89th Congress. in Hou~e Document .W;). re{'ommendeil tlw pn"pnration of flood-prone
area maps to assist in minimizing flood losses by quickly identifying the an'8S of potential
flood hazards" More detailed flood information may be required for other purposes sueh
as structural designs, economic studi(>s. or formulation of land-ust. rl'l.rulations. Such de.
tailed informatio.l may lw obl-.:'lined from the U.S. (;~ological Survey, other Federal agencies,
or State, local, and privatt' agencies.

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EXPLANATION

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Flood boundaries were estimated from:
Regional llltage.frequency relations,

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CONTOUR INTERVAL 40 FEE1
(}Q'fI::O l'~ES REPRfSHn. fOOT CONTOURS
DATUMi:; MEAN SEA If vEl
This work was performed by the U.S. Geological Survey for
and funded by the Federal Insurance Administration,
Department of HOUSing and Urban Development. to meet
provisions of the National Flood Insurance Act of 1968.

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QUADRANGLE LOCATION

CARTER LAKE RESERVOIR, COLO,

N4015 w10507 5/7 5
Base by U,S. Geological Survey
1962

'H )F VISE[ 9 1

1974