FLOOD04416

• Designation Number: 304
• County: Adams
• Community: Unincorporated Adams County
• Stream Name: Big Dry Creek, (ADCO), North area tributaries
• Basin: South Platte
• Title: Flood Hazard Area Delineation - Big Dry Creek, ADCO, North Area Tributaries
• Date: 7/1/1989
• Designation Date: 1/1/1990
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE IV-2
FLOOD ELEVATION DATA FOR 10-, 50-, AND 100-YEAR STORMS (CONT...)

BY DIlOI 1l5T,I/G IUI
Flood1ng Salrce ~r Fl"",*>laln Data !lJ.,year Fl"",*>laln Data lO-;yeor Fl"",*>lain Data Flood1 ng SalI"Ce lDll-:Year Fl"",*>laln Data !lJ.,year Fl"",*>laln Data lO-;yeor Fl"",*>lain Data
lllD-}ear ~r lG-:Year IDll-:Year ~r lG-:Year
Thalweg lllD-}ear Flood ~r Flood 10-year Flood Thal""9 lOO-year Flood ~r Flood 10-year Flood
Elevatloo Dischal'1lE! El...tloo Dischal'1lE! El...tlon Dischal'1lE! Elevation Elevatloo D1schal'1lE! El...tioo Dischal'1lE! El...t100 D1schal'1lE! El...tioo
ldent1flcatioo statiO'll (MSl) (efs) (MSl) (efs) (MSL) (efs) (MSl) ldent1flcatloo statiO'll (MSl) (efs) (MSL) (efs) (MSl) (efs) CMSL)
4+70 5119.0 24!ll (2) 19!1l 5120.4 980 5120.1 4+1:6 5102.1 2100 511:6.2 1650 511:6.0 780 5104.6
12+40 5123.0 24!ll 5126.2 19!1l 5126.2 980 5125.9 9+m 5109.0 2100 5112.9 1650 5112.6 780 5111.8
17+40 5131.0 24!ll 5132.4 19!1l 5132.3 980 5132.0 14+!ll 5115.8 2100 5120.9 16!ll 5120.6 780 5119.8
22+10 5137.0 24!ll 5139.7 19!1l 5139.5 980 5139.0 20+1:6 5121.2 2100 5126.8 1650 5126.3 780 5125.0
27+10 5142.0 24!ll 5144.8 19!1l 5144.6 980 5144.0 25+00 5132.0 2100 5135.4 1650 5135.1 780 5134.3
llashl ngtoo St. 27+70 5142.5 1890 5149.5 1490 5149.3 750 5148.8 29f85 5136.1 2100 5140.9 1650 5140.6 780 5139.7
281-20 5143.0 1890 5149.5 1490 5149.3 7!ll 5148.8 34+15 5149.8 2100 51!ll.3 1650 5150.2 780 5149.6
31+95 5146.0 1890 5149.0 1490 5148.9 750 5148.7 39+25 5149.5 2100 5153.4 16!ll 5153.0 780 5152.1
39+00 5153.0 1890 5158.0 1490 5157.5 7!ll 5156.2 llashingtoo St. 39+85 51!ll.2 2100 5158.6 1650 5158.4 780 5157.9
44+55 5158.0 1890 5162.0 1490 5161.7 7!ll 5161.1 40+30 51!ll.5 2100 5158.6 1650 5158.4 780 5157.9
491-25 5161.0 1890 5165.9 1490 5165.5 750 5164.3 43+70 5156.2 2100 5158.9 1650 5158.6 78J 5157.9
Ikm Canal 52+20 5172.5 1890 5173.7 1490 5173.5 7!ll 5172.8 48+85 5156.0 2100 5162.4 1650 5161.9 780 5160.5
57+10 5170.0 1890 5175.8 1400 5175.4 750 5174.5 ~ 5160.1 2100 5165.0 16!ll 5164.6 780 5163.6
59+00 5175.8 1470 5176.1 1170 5175.6 570 5174.7 Dim 5B+OO 5In.8 2100 5178.0 1650 5177.9 780 5177.5
1-25 62t15 5176.0 1470 5196.4 1170 5195.1 570 5192.0 Dim 62t35 5181. 9 2100 5183.4 1650 5183.2 780 5182.4
63+55 5176.2 1470 5196.4 1170 5195.1 570 5192.0 68+95 5181.5 2100 5185.7 1650 5185.4 780 5184.5
70+10 5184.8 1470 5196.4 1170 5195.1 570 5192.0 1-25 70+20 5182.1 18JD 5199.8 1450 5199.7 720 5199.4
75+70 5190.0 1470 5196.4 1170 5195.1 570 5192.0 71+30 5182.7 18JD 5199.8 1450 5199.7 720 5199.4
81+45 5197.0 1470 5199.5 1170 5199.3 570 5199.4 74+m 5190.6 18JD 5199.8 14!ll 5199.7 720 5199.4
85+70 521:6.4 1470 5209.5 1170 5209.1 570 5207.5 fo!Jstang Run 791-10 5193.8 18JD 5199.8 14!ll 5199.7 720 5199.4
89+10 5208.0 11!ll 5213.1 920 5212.8 440 5212.4 North Coof. 85+10 5200.0 1070 5202.1 850 5201.9 400 5201.5
folJron st. 89+45 5209.0 11!ll 5216.9 920 5216.8 440 5216.4 9D+85 5207.5 1070 5211.3 850 5211.0 400 5210.3
89+70 5210.9 11!ll 5216.9 920 5216.8 440 5216.4 9&f65 5222.0 1070 5225.1 850 5225.0 400 5224.6
94+!ll 5219.5 11!ll 5220.9 920 5220.7 440 5220.3 folJron St. 97+00 5222.2 940 5226.8 7!ll 5226.6 3!ll 5226.2
100+30 5226.5 610 5227.9 480 5227.8 230 5227.4 97+35 5222.3 940 5226.B 750 5226.6 3!ll 5226.2
103+m 5231.8 610 5232.0 480 5231.9 230 5231.7 102+65 5232.0 940 5233.B 7!ll 5233.6 3!ll 5233.1
107+10 5237 . 5 610 5238.3 480 5238.4 230 5238.2 107+70 5238.2 940 5241.1 7!ll 5240.9 360 5240.4
113+!ll 5246.0 610 5248.7 480 5248.4 230 5248.1 112+8) 5246.8 7!ll 5248.3 600 5248.2 300 5247.9
118+70 5256.0 610 5257.1 480 5257.2 230 5256.8 118+10 5251.0 7!ll 5253.7 600 5253.4 300 5252.9
1~ 5259.8 610 5262.1 480 5261.7 230 5261.3 123+00 5261.5 7!ll 5263.5 600 5263.3 300 5262.9
128+70 5270.2 610 5271.9 480 5271.8 230 5271.4 124+20 52li6.0 750 5267.3 600 5267.2 300 5267.0
135+1:6 5284.0 610 5285.3 480 5285.2 230 5284.9
140+35 5296.2 610 5296.6 480 5296.6 230 5296.5
146+00 5306.0 610 5306.7 480 5306.6 230 5306.4
2lII1 st. 146+30 5307.5 610 SDl.2 480 SDl.l 230 SDl.O Note: 1. D1stance fnJn Coofluence Along Chamel Reference Li..
Notes: 1. D1stance fnJn Coofluence Along Chamel Referen::e Line
2. Flood Elevation fovemed by Big Illy Creek Fl"",*>lain