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<br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />CONTENTS <br /> <br />Page <br /> <br />INTRODUCTION <br />PURPOSE AND SCOPE OF REPORT <br />LIMITS OF STUDY <br />Al';KNOWLEDGEMENTS <br />BACKGROUND INFORMATION <br />DESCRIPTION OF THE STUDY AREA <br />DRAINAGE AREA. . . . . . . . <br />NATURE OF FLOOD PROBLEMS <br />FLOOD HISTORY ........ <br />FLOOD DAMAGE PREVENTION <br />FUTURE FLOODS <br />100- AND 500.YEAR FLOODS <br />OBSTRUCTIONS . . . . <br />VELOCITIES OF FLOW <br />FLOODED AREAS <br />FLOOD DAMAGES <br /> <br />1 <br />1 <br />, <br /> <br />2 <br />, <br />3 <br />, <br />, <br /> <br />5 <br />7 <br />7 <br />7 <br />9 <br /> <br />TABLES <br /> <br />TABLE <br /> <br />I STREAM REACHES STUDIED....... ........................... ........... 1 <br />2 DRAINAGE AREAS AND HEADWATER ELEVATIONS................... 3 <br />~ PEAK FLOWS, 101}. AND SOO.YEAR ~'LOODS.......... ......... ..... d.... 6 <br />4 OBSTRUCTIVE STREAM CROSSINGS ................. ......... ..... ......8 <br />5 AVERAGE VELOCITIES OF FLOW, lOO-YEAR FLOOD.............. ......9 <br /> <br />PLATES <br /> <br />PLATE <br /> <br />1 Vicinity and Index Map} <br />2-42 Flooded Areas ...................................Atend nfReJXlrt <br />43-!>5 Flood Profiles <br /> <br />" <br /> <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />INTRODUCTION <br /> <br />PURPOSE AND SCOPE OF REPORT <br />The purpose of this report is to describe <br />and illustrate the noodhaurd in the vicinity <br />of Fruita. Mesa County. Colorado. The report <br />will aid in planning the best use of lands <br />subjecttoinundationfromlOO-and500-year <br /> <br />floods. However. it does not contain <br />reoommendations for wIving flood problems <br />or plans for use of flood plain areasbeeause <br />these activities are the responsibilitiesoflo<:al <br />governments. <br /> <br />LIMITS OF STUDY <br />The report covers the Colorado River from <br />about 22 Road downstream to about 13 Road, <br />and the lower reaches of Roed, BigSalt.a.nd <br />Little Salt Washes in and adjacent to Fruita. <br />All three washe" aredirecl tributaries to the <br /> <br />Colorado River. but Little Salt Wash iathe <br />only one of the three that flows through the <br />city. Plate 1 is a general map of the area. <br />Table 1 shows the stream reachesooverEdin <br />the report. <br /> <br />TABLE 1 <br /> <br />STREAM REACHES STUDIED <br /> <br />Stream <br /> <br />Reach <br />Upslream 10: <br />Vicinity of 22 Road <br />DRGWRR <br />L 1/2 Road <br />East of 18 Road <br /> <br />Lenglh <br />01 Reach <br />(miles) <br />12.0 <br />1.0 <br />2.5 <br />2.2 <br /> <br />Colorado River <br />Reed Wash <br />Big Salt Wash <br />Little Salt Wash <br /> <br />from: <br />Vicinity of 13 Road <br />Mouth <br />Mouth <br />Mouth <br /> <br />1 <br />