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<br /> 10-YR 50-YR 10o-YEAR 10o-YEAR 10o-YEAR
<br /> GENERAL DATA FLOODPLAIN FLOODPLAIN FLOODPLAIN FLOODWA Y FLOODWAY
<br /> DATA DATA DATA 1/2 FOOT RISE 1 FOOT RISE
<br /> STREAM FLOW WATER FLOW WATER FLOW WATER TOP WATER FLOODWAY WIDTH WATER FLOODWAY WIDTH
<br />IDENTIFICATION CROSS STAT. THAlWEG RATE SURFACE RATE SURFACE RATE SURFACE WIDTH SURFACE TOTAL II LEFT IIRIGHT SURFACE TOTAL I LEFT I RIGHT
<br /> SECT. (FEET) ELEV, (CFS) ELEV, (CFS) ELEV. (CFS) ELEV. (FEET) ELEV, (FEET) (FEET) (FEET) ELEV. (FEET) (FEET) (FEET)
<br />BULLHEAD GULCH
<br /> 200,7 20070 5140,0 1620 5141.7 2950 5142.4 3560 5142.7 370 5142,7 165 110 55 5142,8 144 89 55
<br /> 201.1 20110 5135.9 1620 5142,4 2950 5143,3 3560 5143.5 415 5144,0 165 94 71 5144,1 129 73 56
<br /> 206.2 20620 5137,0 1620 5143,4 2950 5145,7 3560 5147.6 310 5146.7 65 63 22 5146,6 72 50 22
<br /> 209,0 20900 5139,7 1620 5146,2 2950 5148.2 3560 5150.3 300 5149,6 115 72 43 5149.7 69 57 12
<br /> 209,2 20920 5146,8 1620 5149.4 2950 5150.8 3560 5151.3 290 5150.5 135 84 51 5150.9 101 67 34
<br /> 209.5 20950 5143.6 1620 5150.1 2950 5151.1 3560 5151.5 270 5151.9 140 80 60 5152,6 130 75 55
<br /> 215.2 21520 5151.5 1500 5155,1 2700 5156.3 3250 5156.8 95 5156.7 65 35 30 5157,0 55 30 25
<br /> 220.0 22000 5153.6 1500 5159.3 2700 5160,9 3250 5161.4 130 5161.7 80 39 41 5162,2 70 34 36
<br /> 224.5 22450 5157.9 1500 5162.2 2700 5163.5 3250 5184,0 80 5163.9 75 40 35 5184,0 57 31 26
<br /> 225,9 22590 5158.2 1500 5184,2 2700 5165.6 3250 5166,0 200 5166.2 115 53 62 5166,9 78 36 42
<br />Local Road 226.2 22620 5166.7 1500 5169,9 2700 5170.7 3250 5171.0 190 5171.0 120 40 80 5171.3 90 25 65
<br /> 226,5 22650 5160.1 1500 5170,7 2700 5171.7 3250 5172,1 215 5172.4 125 55 70 5173.1 115 50 65
<br /> 229,1 22910 5184.7 1350 5170.4 2400 5171.7 2900 5172.3 120 5172.1 55 20 35 5172.3 45 15 30
<br /> 233,7 23370 5166,0 1350 5173,1 2400 5174,8 2900 5175.4 135 5175.8 90 27 63 5176.2 85 27 58
<br /> 238.3 23830 5168,7 1300 5173.7 2300 5175.4 2750 5176.0 90 5176,3 60 20 40 5176.5 50 15 35
<br /> 242,9 24290 5174,0 1300 5180.0 2300 5181.6 2750 5182.2 70 5181.9 50 25 25 5182.2 35 17 18
<br /> 247.8 24780 5183.9 1220 5189.2 2155 5190.3 2570 5190,5 190 5190,6 95 33 62 5191.0 71 21 50
<br /> 252,2 25220 5191.8 1220 5195.8 2155 5196.4 2570 5196.6 380 5196.8 210 95 115 5196.8 147 63 84
<br />Arapahoe Road 252,7 25270 5200.5 1220 5201.9 2155 5202.3 2570 5202.4 410 5202,6 218 96 122 5202.9 152 63 89
<br /> 253,1 25310 5192,2 1220 5202,3 2155 5202.8 2570 5203.0 430 5203,4 220 90 130 5204.0 165 62 103
<br />Indian Peaks 258,0 25800 5199.6 1150 5203,1 2000 5204.1 2370 5204.4 110 5204,3 63 31 32 5204.4 55 28 27
<br />Tributary 261.3 26130 5203,6 800 5207,2 1360 5208.2 1600 5208,5 120 5208.8 70 29 41 5209.1 60 24 36
<br />Confluence 266.1 26610 5210.2 710 5214.7 1170 5215.6 1380 5215,9 105 5215.7 45 30 15 5215,8 33 24 9
<br /> 271.2 27120 5219,8 710 5223.0 1170 5223.6 1380 5223.7 85 5224.1 ... ... ... 5224,2 ... ... ...
<br /> 275.8 27580 5224,9 710 5228,0 1170 5228,7 1380 5229,0 60 5228.8 ... ... ... 5228.7 ... ... ...
<br /> 280.5 28050 5233.6 710 5236.0 1170 5236,5 1380 5236.6 180 5236,7 80 34 48 5237.0 60 24 36
<br /> 285.4 28540 5242.0 710 5243.9 1170 5244.1 1380 5244,2 280 5244.5 195 88 107 5244.9 137 59 78
<br />
<br />. CROSS SECTION WITHIN BOULDER CREEK FLOODPLAIN,
<br />.. FLOOD WAY NOT DEFINED IN SHALLOW FLOODING AREA.
<br />... FLOODWAY WITHIN CONFINED CHANNEL.
<br />
<br />TABLE 8
<br />
<br />'~EC" [0
<br />~ E" '5[ ~
<br />
<br />CITY OF LAFAYETTE
<br />
<br />CITY OF LOUISVILLE
<br />
<br />FLOOD HAZARD AREA DEUNEATlON
<br />BULLHEAD GULCH
<br />WATERSHEO
<br />
<br />FlOODPLAIN AND FlOODWAY
<br />REFERENCE DATA
<br />
<br />SHEET
<br />3 OF 7
<br />
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<br />15
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