BOARD00754

• Board Meeting Date: 1/25/2005
• Description: ISF Section - Instream Flow Appropriations - San Miguel River
• Board Meetings - Doc Type: Memo

STREAM NAME: San Miguel River
XS LOCATION: d/s of 2nd set of falls
XS NUMBER; 3 Constant Manning's n
'GL' = lowest Grassline elevation corrected for sag
STAGING TABLE *WL * = Waterline corrected for variations in field measured water surface elevations and sag
OIST TO TOP AVG. MAX. WETTED PERCENT HYDR AVG.
WATER WIDTH DEPTH DEPTH AREA PERIM. WET PERJM RADIUS FLOW VELOCITY
(FT) 1FT) 1FT) 1FT) (SQFT) 1FT) 1%) (FT) {CFS) IFTISEC)
'GL* 1.50 34.00 1,23 2.40 41.71 35.27 100.0% 1.18 53.22 1.28
1.50 33.96 1.23 2.40 41.62 35.23 99.9% 1.18 53.06 1.28
1.55 33.21 1.20 2.35 39.94 34.47 97.7% 1.16 50,26 1.26
1.60 32.40 1.18 2.30 38.29 33.65 95.4% 1.14 47.62 1.24
1.65 30.65 1,20 2.25 36.72 31.89 90.4% 1.15 46.02 1.25
1.70 28.91 1.22 2.20 35.23 30.14 85.5% 1.17 44.60 1.27
1.75 27.33 1.24 2.15 33,82 28.54 80.9% 1.19 43.22 1.28
1.80 25.82 1.26 2.10 32.50 27.01 76.6% 1.20 41.94 1.29
1.85 25.49 1.22 2.05 31.21 26.66 75.6% 1.17 39.56 1.27
1.90 25.16 1.19 2.00 29.95 26.31 74.6% 1.14 37.25 1.24
1.95 24.83 1.16 1.95 28.70 25.96 73.6% 1.11 35,01 1.22
2.00 24.49 1.12 1.90 27.46 25.59 72.6% 1.07 32.84 1.20
2.05 23.91 1,10 1.85 26.25 25.00 70.9% 1.05 30.95 1.18
2.10 23.34 1.07 1.80 25.07 24.41 69.2% 1.03 29.12 1.16
2.15 22.93 1.04 1.75 23.92 23.96 67.9% 1.00 27.26 1.14
'WL* 2.20 22.53 1.01 1,70 22.78 23.51 66.7% 0.97 (0::.~,25:45" ..i 1.12
2.25 22,21 0.98 1.65 21.66 23.17 65.7% 0.93 23,63 1.09
2.30 21.84 0.94 1.60 20,56 22.79 64.6% 0.90 21.90 1.07
2.35 20.85 0,93 1.55 19.49 21.77 61.7% 0.90 20.66 1.06
2.40 19.90 0,93 1.50 18,47 20.80 59.0% 0,89 19.48 105
2.45 19.61 0.89 1.45 17.49 20.49 58.1% 0.85 17.95 1.03
2.50 18.32 0.90 1.40 16.52 19.18 54.4% 0.86 17.05 1.03
2,55 18,08 0.86 1.35 15.61 18.92 53.6% 0.82 15.66 ~
2.60 17.84 0,82 1.30 14.71 18.66 52.9% 0.79 14.32 0.97
2.65 17.61 0.79 1.25 13.82 18.40 52.2% 0.75 13.03 0.94
2.70 17.37 0.75 1.20 12.95 18.14 51.4G 0.71 11.80 0.91
2.15 17.13 0.71 1.15 12.08 17.88 50,7% 0.68 10.62 0.88
2.80 16.88 0.67 1.10 11.23 17.60 49.9% 0.64 9.50 0.85
2.85 16.45 0.63 1.05 10.40 17.12 48.5% 0,61 8.51 0.82
2.90 16.01 0.60 1.00 9.59 16.63 47.2% 0.58 7.58 0.79
2.95 15.49 0.57 0.95 8.80 16.07 45.6% 0.55 6.72 0.76
3.00 14.97 0.54 0.90 8.04 15.50 44.0% 0.52 5.92 0.74
3.05 14.45 0.51 0.85 7.30 14.94 42.4% 0.49 5.17 0.71
3.10 13.94 0.47 0.80 6.60 14.38 40.8% 0.46 4.48 0.68
:U5 13,42 D." 0.75 5.91 13.81 39.2% 0,43 3.83 0.65
3.20 10.91 0.48 0.70 5.26 11.26 31.9% 0.47 3.61 0.69
3.25 10.59 0.45 0.65 4.72 10.92 31.0% 0.43 3.08 0.65
3.30 10.27 0.41 0.60 4.20 10.58 30.0% 0040 2.59 0.62
3.35 10.03 c;J 0.55 3.69 10.32 29.3% 0.36 2.12 0.58
3.40 9.80 0.33 0.50 3.20 10.06 28.5% 0.32 1.70 0.53
3.45 9.56 0.28 0.45 2.71 9.80 27,8% 0.28 1.31 0.48
3.50 9.30 0.24 0.40 2.24 9.51 27.0% 0.24 0.98 0.44
3.55 6.63 0.21 0.35 1.79 8.84 25.1% 0.20 0.71 0.39
3.60 7.94 0.17 0.30 1.38 8.14 23.1% 0.17 0.48 0.35
3.65 6.94 0.14 0.25 1,01 7.12 20.2% 0.14 0.31 0.31
3.70 5.93 0.12 0.20 0.68 6.08 17.2% 0.11 0.18 0.27
3.75 4.68 0.09 0.15 0.42 4.79 13.6% 0.09 0.09 0.22
3.80 3.43 0.06 0.10 0.22 3.50 9.9% 0.06 0.04 0.18
3.85 2.18 0.03 0.05 0.08 2.22 6.3% 0.03 0.01 0.12
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