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<br />I <br /> 14. <br />I <br /> TABLE 6 <br />I FLOOD FREQUENCY - ELEVATION AND DISCHARGE DATA <br /> SOUTH ST. VRAIN CREEK, BOULDER COUNTY, COLORADO <br />I lO-Year Flood 50-Year Flood lOO-Year Flood SOO-Year Flood <br />Ref. Station Stream Bed Crest Peak Crest Peak Crest Peak Crest Peak <br /> Point Fr. Mouth Elevation Elevation Discharge Elevation Discharge Elevation Discharge Elevation Discharge <br />I Number (Feet) Identif . (Ft. MSL) (Ft. MSL) (cfs) (Ft. MSL) (cfs) (Ft. MSL) (cfs) (Ft. MSL) (cfs) <br /> 20 79+25 5428.30 5431.22 1400.lJu 5433.52 3750.00 5434.57 5430.00 5436.63 11900.00 <br />I 2l 86+35 5435.50 5439.16 1400.00 5441.05 3750.00 5442.70 5430.00 5444.60 11900.00 <br /> 22 91+45 5443.00 5445.78 13jO.OO 5447.89 3430.00 5449.01 4910.00 5451.84 10800.00 <br />I 23 96+15 5441.90 5451.22 1350.00 5453.30 3430.00 5454.64 4970.00 5459.14 10800.00 <br />I 24 100+45 5456.40 5458.89 13 50. 00 5460.8() 3430.00 5461.68 4910.00 5464.20 10800.00 <br />24.9 100+95 Bridge to Andesite 5457.40 5459.85 1350.00 3430.00 5465.18 10800.00 <br /> 5461. 17 5462.93 4970.00 <br />I R:lck CO. <br />25.1 101+15 5457.40 5460.19 1350.00 5462.60 3430.00 5465.59 4910.00 5468.59 10800.00 <br />I 26 101+70 5458.80 5461.45 1350.00 5463.26 3430.00 5465.63 4910.00 5468.58 10800.00 <br /> 27 104+90 5462.90 54(:5.41 1350.00 5467.50 3430.00 5468.43 4970.00 5470.17 10800.00 <br />I 28 109+30 5467.10 5470.1L 1350.00 5472.43 3430.00 5473.66 4970.00 5476.62 10800.00 <br /> 29 112+90 5412.90 5416.20 1350.00 5478.04 3430.00 5479.05 4970.00 5481.37 10800.00 <br />I 30 119+00 5417.80 5482.61 13 50. 00 5485.07 3430.00 5487.46 4910.00 5488.80 10800.00 <br />I 31 124+10 5484.80 5488.83 1350.00 5492.45 3430.00 5492.92 4970.00 5494.00 10800.00 <br />32 132+30 5493.80 5501.29 3430.00 5503.11 4970.00 5506.21 <br /> 5498.77 1350.00 10800.00 <br />I 33 137+30 5504.50 5508.97 1350.00 5511.87 3430.00 5512.41 4970.00 5513.61 10800.00 <br /> 34 140+95 5508.80 5513.27 13 50. 00 5516.29 3430.00 5516.84 4970.00 5518.09 10800.00 <br />I 35 149+65 5523.30 5526.42 1350.00 5528.55 3430.00 5529.81 4970.00 5532.64 10800.00 <br />I 36 153+85 5528.00 5532.10 1350.00 5533.71 3430.00 5534.85 4970.00 5538.30 10800.00 <br />37 162+85 5538.10 5542.00 1350.00 5544.32 3430.00 5545.63 4970.00 55119.87 10800.00 <br />I <br />I <br />I <br />