Laserfiche WebLink
<br />I 13 <br />I TABLE 6 <br /> FLOOD FREQUENCY - ELEVATION AND DISCHARGE DATA <br />I SOUTH ST. VRAIN CREEK, BOULDER COUNTY, COLORADO <br /> 10-Year Flood 50-Year Flood 100-Year Flood SOO-Year Flood <br />I 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 /> Number ' (Feet) Identif. (Ft. MSL) (Ft. MSL) (cfs) (Ft. MSL) (cfs) (Ft. MSL) (cfs) (Ft. MSL) (cfs) <br />I 2 1+60 5315.10 5319.03 1400.00 5321.69 3750.00 5322.211 51130.00 5323.21 11900.00 <br /> 3 6+00 5320. 50 5323.64 1400.00 5325.71 3750.00 5327.111 5430.00 5328.118 11900.00 <br />I <br />4 10+00 5327.20 5331..l8 1400.00 5332.68 3750.00 5333.34 5430.00 5335.35 11900.00 <br />I 5 13+50 5331.40 5335.38 1400.00 5338.08 3750.00 5339.14 5430.00 5340.59 11900.00 <br /> 6 17+50 5337.30 5341.01 1400. CO 5344.111 3750.00 5345.27 5430.00 5346.82 11900.00 <br />I 7 21+50 5344.10 5341.15 1400.00 5350.57 3750.00 5351.03 5430.00 5352.21 11900.00 <br /> 8 25+20 5347.10 5351.46 1400.00 5353.43 3750.00 5355.51 5430.00 5358.75 11900.00 <br />I 8.9 25+85 Old South Road 5347.50 5351.84 1400.00 5353.96 3750.00 5355.52 5430.00 5360.73 11900.00 <br />I 9.l 26+15 5347.50 5352.14 1400.00 5355.63 3750.00 5357.94 51130.00 5361.30 11900.00 <br />10 26+85 5352.30 5355.95 1400.00 5358.60 3750.00 5359.7 1 5430.00 5369.01 11900.00 <br />I 11 31+45 5357.10 5361.86 1400.00 5364.85 3750.00 5365.111 5430.00 5370.09 11900.00 <br /> 12 34+20 5362.50 5365.11 1400.00 5367.86 3750.00 5368.&5 5430.00 5370.114 11900.00 <br />I 13 38+60 5369.60 5312.73 1400.00 5374.68 3750.00 5375.28 5430.00 5376.96 11900.00 <br />I 14 42+60 5316.80 5381.22 1400.00 5382.86 3750.00 5383.77 5430.00 5385.14 11900.00 <br />15 46+75 5382.80 531'5.98 1400.00 5387.99 3750.00 5389.12 51130.00 5391.35 11900.00 <br />I 16 50+55 5385.10 5390.66 1400.00 5392.111 3750.00 5393.10 5430.00 5395.42 11900.00 <br /> 17 54+45 30 feet downstream 5393.70 5396.53 1400.00 5397.66 3750.00 5398.29 5430.00 5399.72 11900.00 <br />I fran USGS stream gage <br /> 3750.00 5412.62 5430.00 <br /> 18 62+75 5406.50 5409. g 8 1400.00 5411.73 5414.83 11900.00 <br />I 19 70+55 5415.;40 5418.58 l4JO.00 5420.73 3750.00 5421.54 5430.00 5423.25 11900.00 <br />I <br />I <br />I <br />