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<br />I -. <br /> LOCATION FLOOD PLAIN DATA: FLOODWAY DATA: 100- YEAR 34 <br /> 100 YEAR <br />I SECTION I 100 YEAR THALWEG2 WATf:R MEAN WATER DISTANCE3 4 MEAN <br />STA TION DESCRIPTION DISCHARGE SURFACE TOP SUR FACE TOP DISTANCE <br />NUMBER ELEVATION WIDTH (FT.) VELOCITY WIDTH (FT.) VELOCITY <br /> (CFSl ELEVATION (FT./SEC.l ELEVATION LEFT (FT.) RIGHT (FT.) (FT./SEC,) <br />I MAIN CHANNEL - CONT'D <br />1160 40+10 6800 5008.2 5015.7 52007 6.9 5016.5 720 375 345 5.4 <br />I 1150 38+85 6800 5009.0 5015.3 52007 5.4 5015.3 850 /l50 400 6.9 <br />1142 38+50 Cnty. Fai rgrounds Entrance Brdg. 6800 5007.2 5014.8 54007 3.5 5015.0 1035 600 435 5.3 <br /> 1130 34+50 6800 5006.3 5009.1 54007 4.2 5009.4 740 125 615 4.3 <br />I 1120 32+05 S. Platte Riv. 1 O-Yr. W.S. E1ev 6800 5004.8 5008.7 54007 3.0 5009.2 750 35 715 2.9 <br /> TRIBUTARY V <br />I 2188 378+60 East1ake Dam #3 7 5219.8 5220.0 70 0.6 5220.0 35 20 15 0.9 <br /> 2186 373+45 35 5215.7 5215.9 570 1.5 5216.3 70 40 30 1.9 <br />I 2184 370+85 35 5212.1 5212.3 655 1.4 5212.3 75 30 45 2.5 <br />2180 367+40 64 5207.9 5208.1 455 1.9 5208.3 70 40 30 3.1 <br />I 2170 366+ 70 93 5205.5 5205.7 290 0.4 5206.0 115 55 60 1.7 <br />2160 362+30 121 5201.5 5201.7 -365 2.3 5202.0 90 50 40 3.5 <br /> 2150 358+30 150 5197.3 5197.6 6008 2.5 5198.0 90 45 45 3.1 <br />I 2140 355+40 1600 5193.5 5195.6 4328 4.4 5195.5 230 175 55 5.9 <br /> 2130 352+90 1600 5190.0 5191.!l 2708 5.0 5192.0 200 75 125 6.1 <br />I 351+50 Confluence With Brantner Gulch <br /> TRIBUTARY III <br />I 8550 473+80 400 5208.2 5210.4 62 7.0 5210.9 60 25 35 8.0 <br /> 8540 468+70 400 5195.6 5197.7 53 5.4 5198.2 60 40 20 5.5 <br />I 8530 464+40 400 5188.1 5190.0 52 6.4 5190.2 55 30 25 7.9 <br />8520 461+20 400 5187.0 5189.2 128 1.5 5189.5 90 35 55 1.8 <br />I 8512 457+70 Stock Pond Dam 400 5187.4 5188.1 330 3.5 5188.1 210 85 125 3,5 <br />8510 457+ 30 400 5175.9 5177 .9 260 4.6 5177 .9 150 110 40 4.9 <br />I 8500 455+60 400 5172.2 5174.0 94 6.1 5174.5 45 30 15 6.1 <br />8220 454+50 400 5169.0 5170.8 60 5.6 5170.8 55 30 25 6.9 <br /> 8210 450+10 Confluence With Tributary III-D 700 5165.0 5158.0 240 1.1 5168.1 190 115 75 1.2 <br />I 8205 448+65 Stock Pond Dam 1300 5166.0 5167.1 231 5.7 5167.1 200 130 70 6.0 <br />I (7) Combined floodplain of Brantner Gulch, Tributary VI and Tributary VII. <br />I (8) Includes floodplain of Brantner Gulch. <br />I ~ TABLE 3 FLOOD HAZARD AREA DELINEATION <br />CONs,-,\_r'..a SELLARDS & GRIGG. INC, TABULAR FLOOD PLAIN AND FLOODWAY DATA URBAN DRAINAGE AND FLOOD CONTROL <br /> (,,[j''''(1[101I DISTRICT <br /> ,14!o w 14TH AVI"VI . CQTTO"wOQO 'lAlA I <br />I I....KI....OOO. COl.DIII"'DO '01" 2JIU1' BRANTNER GULCH CITY OF THORNTON <br /> ADAMS COUNTY <br /> ~ <br />