FLOOD01407

• Designation Number: 301
• County: Arapahoe
• Community: Unincorporated Arapahoe County
• Stream Name: Piney Creek Tributaries
• Title: Flood Hazard Area Delineation - Piney Creek Tributaries
• Date: 4/1/1989
• Designation Date: 7/1/1989
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Table 8
I FLOODPLAIN AND FLOODWAY REFERENCE DATA: SADDLE ROCK RANCHES GULCH
I Cross
Section Thalweg 10-Year 50- Yea r 100-Year Floodplain Data F100dway Da ta
Number Station E1ev. Di scha rge E1ev. Discharge E1ev. Di scha rge E1ev. Vel. Width E1ev. Vel. F100dway Width (1)
(cfs) (cfs) (cfs) ( fps) ( fps) Left Right Total
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I 140 1+40 5846.0 320 5848.6 725 5849.8 950 5850.3 9.1 41 5850.3 9.1 27 14 41
800 8+00 5860.2 320 5861.5 725 5862.0 950 5862.2 5.0 153 5862.4 6.1 73 17 90
1480 14+80 5867.1 320 5869.5 725 5870.0 950 5870.2 4.6 160 5870.6 5.0 45 75 120
I 1970 19+70 5876.1 320 5877 .4 725 5878.0 950 5878.2 6.3 137 5878.4 7.4 60 23 83
2470 24+70 5882.0 320 5883.4 725 5884.0 950 5884.2 4.0 171 5884.7 4.4 78 27 105
I 3290 32+90 5891. 9 320 5893.4 725 5893.8 950 5894.0 6.5 120 5894.3 7 .0 71 18 89
3605 36+05 5894.6 320 5897 .1 725 5897.9 950 5898.2 6.6 69 5898.5 6.9 10 35 45
I 4240 42+40 5900.9 320 5903.5 725 5904.5 950 5904 .8 6.5 91 5905.2 6.7 35 26 61
466E 46+65 5907.9 320 5909.5 725 5910.0 950 5910.3 4.1 123 5910.7 6.7 80 14 94
5225 52+25 5917.0 320 5917.2 725 5917.7 950 5921.2 7.2 271 (2) 5921.2 7.2 30 40 70
I 5385 53+85 5920.0 320 5919.3 725 5919.9 950 5923.2 6.4 325(2) 5923.4 6.5 73 18 91
5500 55+00 5921.0 320 5921.4 725 5922.2 950 5924.7 6.8 275(2) 5924.7 7.6 27 28 55
I 5590 55+90 5922.0 320 5923.4 725 5924.3 950 5925.5 5.1 112 5925.8 5.1 27 29 56
5760 57+60 5924.0 320 5926.2 725 5927.5 950 5927 .7 6.9 94 5927.9 8.0 10 50 60
I 6290 62+90 5930.1 320 5932.2 725 5932.9 950 5933.2 4.3 115 5933.5 5.3 12 53 65
6835 68+35 5935 .7 320 5938.2 725 5939.1 950 5939.4 7.6 72 5939.4 8.7 30 20 50
I 7540 75+40 5944.0 320 5946.3 725 5947.0 950 5947.2 3.9 155 5947.6 4.4 87 8 95
7850 78+50 5947.7 320 5950.0 725 5950.9 950 5951.3 8.5 51 5951.3 8.8 15 33 48
I 8060 80+60 5952.5 320 5954.3 725 5955.0 950 5955.3 6.8 72 5955.5 7.8 35 15 50
8650 86+50 5959.2 280 5961.2 650 5962.1 850 5962.4 5.9 71 5962.6 6.4 20 30 50
8890 88+90 5962.2 180 5964.6 430 5965.3 570 5965.6 7.2 49 5965.6 7.2 45 4 49
I 9550 95+50 5972.0 180 5974 .3 430 5975.0 570 5975.3 5.0 72 5975.4 6.3 10 30 40
9830 98+30 5977 .9 180 5980.1 430 5981.0 570 5981.3 7.4 47 5981.3 7.3 25 22 47
I 10400 104+00 5983.9 180 5986.0 430 5986.9 570 5987.1 3.5 106 5987.2 4.9 41 5 46
10780 107+80 5990.1 180 5992.3 430 5993.6 570 5993.9 6.1 73 5993.9 7.3 42 5 47
I 11395 113+95 6004.0 180 6005.2 430 6005.7 570 6005 .9 5.8 82 6006.1 6.3 18 42 60
11940 119+40 6010.5 180 6012.2 430 6013.0 570 6013.4 6.2 44 6013.4 6.2 25 19 44
I 12575 125+75 6020.0 180 6021.4 430 6022.1 570 6022.3 7.5 45 6022.3 7.3 38 7 45
(1) Looking downstream, as measured from centerline of channel.
I (2) Includes shallow flooding area.
I 20