12000000053 Highland No. 2 Dams Inundation Report

• Contract/PO #: 12000000053
• Contractor Name: Highland Ditch Company
• Contract Type: Grant
• Water District: 5
• County: Boulder
• Loan Projects - Doc Type: Report

HEC-RAS Plan:H2N_Run1 River:Highland2N Reach:H2N_to_SP Profile:H2N-FM calib
Reach River Sta Profile Q Total Min Ch El W.S.Elev Crit W.S. E.G.Elev E.G.Slope Vel Chnl Flow Area Top Width Froude#Chl
(cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft)
H2N to SP 47703 H2N-FM calib 21831.00 5153.35 5158.27 5158.27 5159.84 0.012815 10.48 2284.85 754.00 0.93
H2N to SP 47587 H2N-FM calib 21831.00 5137.73 5141.09 5142.92 5148.22 0.119076 21.65 1045.34 557.35 2.58
H2N to SP 47387 H2N-FM calib 21831.00 5117.49 5121.93 5121.42 5122.88 0.008335 8.11 2882.79 1198.83 0.74
[H2N to SP 47328 H2N-FM calib 21831.00 5115.06 5120.46 5121.44 0.006747 8.13 2862.51 825.04 0.69
LL1-12N-to_SP 47077 H2N-FM calib 21831.00 5107.91 5112.40 5112.40 5113.88 0.012998 10.11 2339.38 799.27 0.93
H2N_to SP 46098 H2N-FM calib 21831.00 5048.20 5053.45 5054.41 5056.76 0.025166 14.63 1505.62 497.88 1.44
H2N to SP 45894 H2N-FM calib 21276.00 5043.31 5052.00 5049.89 5053.15 0.003246 10.07 3539.73 864.05 0.61
H2N to SP 45593 H2N-FM calib 21276.00 5043.31 5050.38 5050.77 0.001625 6.30 6028.90 1091.02 0.42
H2N to_SP 45438 H2N-FM calib 21276.00 5043.31 5049.64 5049.94 0.001518 5.66 6042.96 1205.33 0.40
H2N_to_SP 45418 H2N-FM calib _ 21276.00 5043.31 5049.35 5049.80 0.002468 6.95 5064.24 1155.60 0.50
H2N_to_SP 45063 H2N-FM calib 21276.00 5037.83 5042.66 5042.66 5044.29 0.011175 12.62 2270.48 709.85 1.02
H2N to_SP 44460 H2N-FM calib 21276.00 5016.21 5026.63 5026.68 5029.02 0.005580 14.06 275528 728.85 0.81
H2N_to_SP 43813 H2N-FM calib 21276.00 5006.60 5011.40 5010.85 5012.42 0.007000 9.91 2805.86 1116.17 0.81
H2N_to_SP 42927 H2N-FM calib 21276.00 4993.08 5003.40 5004.11 0.001789 8.33 3640.47 628.61 0.46
H2N_to_SP 42231 H2N-FM calib 21276.00 4993.08 5001.91 4996.51 5002.00 0.000577 4.32 11656.01 1734.24 0.26
H2N_to_SP 42225 Inl Struct
H2N_to_SP 42189 H2N-FM calib _ 21276.00 4983.10 4991.87 4991.61 4995.95 0.010148 17.61 2026.46 587.97 1.07
H2N to_SP 41744 H2N-FM calib 21276.00 4979.95 4990.25 4986.88 4990.66 0.001029 5.79 4762.54 1315.37 0.34
H2N_to_SP 41372 H2N-FM calib 21276.00 4976.94 4987.73 4988.65 0.002955 9.51_ 4346.89 1352.33 0.58
H2N_to SP 41354 _ H2N-FM calib 21276.00 4976.31 4986.92 4986.92 4988.37 0.005771 10.99 3066.85 1143.60 0.77
H2N_to_SP 38954 H2N-FM calib 21276.00 4970.00 4982.13 4978.23 4982.57 0.001253 5.40 4190.41 852.61 0.36
H2N to SP 38413' H2N-FM calib 21276.00 4965.00 4981.88 4981.96 0.000123 2.67 12299.94 2320.90 0.13
H2N to SP 37873 H2N-FM calib _ 21276.00 4960.00 4981.88 4981.89 0.000011 1.03 35916.43 3843.50 0.04
H2N to SP 37431* I-12N-FM calib 21276.00 4956.00 4981.87 4981.88 0.000004 0.74 48932.51 3846.93 0.03
H2N to SP 36989 H2N-FM calib 21276.00 4951.00 4981.87 4981.87 0.000002 0.59 61326.48 3854.43 0.02
12N to SP 36952 H2N-FM calib 16974.00 4950.00 4981.11 4968.84 4981.80 0.000672 6.92 3540.86 1483.61 0.29
H2N-to-SP 36948 Bridge
H2N to SP 36937 H2N-FMcalib 16974.00 4950.00 4968.72 4968.72 4973.59 0.009805 17.71 931.55 96.21 1.00
H2N_to_SP 36845 H2N-FM calib 16495.00 4950.00 4955.61 4958.39 4965.96 0.060569 29.08 745.08 274.68 2.38
H2N to SP 36421 H2N-FM calib 16495.00 4949.89 4953.63 4952.49 4954.06 0.003148 5.33 3265.02 1196.40 0.51
H2N to SP 135924 H2N-FM calib _ 16495.00 4940.00 4944.92 4944.92 4946.10 0.008224 10.72 2284.69 956.18 0.88
H2N to SP 35417 H2N-FM calib 16495.00 4931.29 4938.31 4935.72 4938.55 0.001027 4.67 4723.10 1155.88 0.33
H2N_to_SP 34916 I H2N-FM calib 16495.00 4930.00 4935.33 4935.80 0.002941 6.37 3436.90 1231.95 0.52
H2N_to_SP 434445' H2N-FM calib 16495.00 4925.00 4931.30 4929.93 4931.83 0.002484 6.70 3428.68 1185.36 0.50
H2N_to_SP !33974 H2N-FM calib 16495.00 4920.00 492724 4926.02 4927.90 0.002840 7.62 3197.73 1134.61 0.54
H2N_to_SP 33588* H2N-FM calib 16495.00 4915.00 4919.86 4919.86 4921.29 0.011958 9.65 1747.37 652.82 0.98
H2N_to_SP 33202 H2N-FM calib 16495.00 4910.00 4917.84 4914.76 4918.03 0.000871 3.59 4880.71 1224.44 0.29
H2N to SP 32789 H2N-FM calib 16495.00 4910.00 4914.28 4914.04 4915.20 0.008550 10.29 2437.50 1016.25 0.88
H2N_to SP 32313 H2N-FM calib 16495.00 4901.35 4908.75 4909.28 0.001853 6.33 3185.46 762.72 0.44
H2N to_SP _ 31763* H2N-FM calib 16495.00 4897.00 4905.94 4906.29 0.001414 5.50 4015.79 1090.77 0.38
H2N_to_SP 131214 H2N-FM calib _ 16495.00 4892.43 4902.07 4902.81 0.002687 6.99 2594.04 1003.52 0.52
H2N to SP 30623 H2N-FM calib 16495.00 4890.00 4899.37 4899.77 0.000977 5.32 3470.30 576.49 0.33
H2N to SP 30268* H2N-FMcalib 16495.00 4890.00 4898.09 4898.50 0.001211 5.45 3745.70 999.22 0.36
H2N to_SP 29913 H2N-FM calib 16495.00 4890.00 4895.50 489622 0.003548 7.25 2695.78 817.09 0.58
H2N to SP 29473* H2N-FM calib 16495.00 4885.00 4890.41 4891.05 0.003452 7.10 2950.70 1006.07 0.57
H2N to SP 29034 H2N-FM calib 16495.00 4880.12 4885.25 4884.33 4885.85 0.003566 7.08 3104.06 1180.19 0.58
H2N to SP 28488 H2N-FM calib 1 16495.00 4875.13 4878.93 487928 0.003653 5.93 3951.06 1834.09 0.56
H2N to_SP 27993 H2N-FM calib 16495.00 4870.00 4874.78 4875.04 0.001914 5.27 4354.48 1349.49 0.42
H2N_to_SP 27518' H2N-FM calib 4 16495.00 4867.00 4870.87 4871.30, 0.003349 5.70 3379.55 1270.16 0.53
H2N_to_SP 27043 H2N-FM calib 16495.00 4863.37 4869.41 4869.52 0.000541 2.81 6632.62_ 1842.71 0.23
H2N_to_SP 26696* H2N-FM calib 16495.00 4860.00 4869.21 4869.26 0.000120 1.74 10895.36 1977.00 0.11
H2N to SP 26350 H2N-FM calib 16495.00 4857.61 4867.82 4868.83 0.001667 8.03 2054.07 2066.05 0.45
H2N to SP 26293 H2N-FM calib 12405.00 4857.06 4867.06 4864.31 4868.40 0.002990 9.27 1337.91 . 160.82 0.57
H2N_to_SP 126285 Bridge
H2N to SP 26275 H2N-FM calib 12405.00 4857.38 4864.00 4864.83 4868.08 0.016561 16.21 765.23 146.18 1.25
H2N to SP 26184 H2N-FM calib 12405.00 4856.61 4861.11 4859.76 4861.63 0.003150 5.81 2133.94 1524.80 0.52
H2N_to_SP 26062 H2N-FM calib 12405.00 4855.42 4860.28 4858.61 4860.55 0.002056 4.13 3002.45 954.60 0.41
H2N to SP 25553' H2N-FM calib 12405.00 4849.00 4852.15 4852.15 4853.17 0.014843 8.11 1529.47 782.01 1.02
H2N_to_SP 25043 H2N-FM calib 12405.00 4842.12 4847.86 4845.56 4848.03 0.000860 3.60 4188.30 1220.24 0.29
H2N to SP 24606' H2N-FM calib 12405.00 4841.00 4846.44 4846.63 0.001070 4.07 3925.24 1126.86 0.32
H2N_to_SP 24169 H2N-FM calib 12405.00 4839.95 4843.72 4844.08 0.003251 5.84 2632.80 852.35 0.53
H2N to_SP 23764' H2N-FM calib 12405.00 4835.00 4837.63 4838.12 0.006178 6.36 2252.26 949.94 0.69
H2N_to_SP 23358 H2N-.FM calib 12405.00 4829.96 4832.92 4833.14 0.002383 4.26 3324.47 1235.11 0.44
H2N_to_SP 22945' H2N-FM calib 12405.00 4825.00 4828.53 4829.02 0.004604 5.74 2314.16 1065.38 0.60
H2N_to_SP 22532 H2N-FM calib 12405.00 4820.00 4823.62 4823.97 0.003071 4.71 2632.03 928.26 0.49
H2N_to_SP 22102' H2N-FM calib 12405.00 4815.00 4819.03 4819.47 0.003252 5.36 2377.14 870.14 0.52
H2N_to_SP 21672 H2N-FM calib 12405.00 4810.00 4815.20 4815.61 0.002261 5.70 2712.02 882.93 0.46
H2N_to_SP 21183* H2N-FM calib 12405.00 4805.00 4809.46 4810.27 0.004963 7.77 1879.87 639.24 0.67
H2N_to_SP 20695 H2N-FMcalib 12405.00 4800.00 4807.10 4807.34 0.000839 4.45 3591.96 814.54 0.30
H2N to SP 20288* H2N-FM calib 12405.00 4800.00 4805.76 4803.53 4805.98 0.001211 4.66 4228.88 1759.40 0.35
H2N_to_SP _,19881 H2N-FM calib 12405.00 4799.34 4800.96 4800.96 4801.55 0.021400 6.91 2024.02 1748.90 1.12
H2N_to_SP 119340 H2N-FM calib 12405.00 4790.00 4799.64 4793.17 4799.67 0.000074 1.64 11216.95 2060.84 0.09
H2N_to SP 18924* H2N-FM calib 12405.00 4789.00 4799.57 4799.58 0.000049 1.41 13931.58 244120 0.08
H2N to_SP 18507 H2N-FM calib 12405.00 4788.42 4799.54 4799.54 0.000017 0.86 20852.91 2771.87 0.05
H2N to SP _117983* H2N-FM calib 10167.001 4786.00 4799.52 4799.52 0.000007 0.62 22346.33 2454.51 0.03