PERMFILE119567

• Permit No: C1980001
• IBM Index Class Name: Permit File
• Doc Date: 1/8/2007
• Section_Exhibit Name: 2.5 Hydrology
• Media Type: D
• Archive: No

Table 2.5-6 -- SUMMARY OF FLOOD COMPUTATIONS
•

C olorado d
Sec. Recur- 6 Hour Storm 24 Hour Storm Regionalization IV
Loca-
Lion rence
(Yrs.)
Qp
Yp
Zp
Qp
Yp
Zp
Op
Yp
2 -- -- -- 25 0.74 7283.8
5 30 0.82 7283.9 93 1.59 7284.7
1 10 69 1.34 7284.4 160 2.16 7285.3 201.6 4.21 (2.36)
25 127 1.90 7285.0 242 2.73 7285.8
SO 200 2.45 7285.6 403 3.62 7286.7 338.0 4.57 (2.92)
100 288 3.02 7286.1 492 4.01 7287.1 399.1 4.75 (3.16)
2 -- -- -- 25 0.72 7221.7
S 30 0.80 7221.8 93 1.55 7222.6
10 69 1.31 7222.3 161 2.62 7223.6 204.1 4.08 (2.36) ~
2 25 126 1.85 7222.8 243 2.96 7224.0
50 199 2.79 7223.8 404 3.48 7224.5 342.1 4.42 (2.93)
100 285 3.11 7224.1 493 3.72 7224.7 403.9 4.60 (3.17)
2 -- -- -- 25 0.79 7207.3 ~
5 30 0.88 7207.4 93 1.69 7 08.2 `
10 69 1.43 7207.9 162 2.31 ~~ 204.4 4.08 (2.37) ll 7

3
25
125
2.00
7208.5
244
2.93
7209.4 `
,;
~
50
100 198
285 2.61
17
3 7209.1
7
7209 405
494 3.80
4
21 7210.3
7210
7 342.5
404
4 4.42 (2.93)
17)-~I ~ i
60 (3
4
. . . . . .
. ,
2 -- -- -- 25 0.80 7157.2
5 30 0.89 7157.3 93 1.72 7158.1
10 68 1.43 7157.8 163 2.36 ~Z.1.58.8 205.6 4.51 (2.37)
4 25 124 2.02 7158.4 246 2.96 7159.4
50
100 197
283 2.62
3
20 7159.0
7159
6 407
498 3.89
4
31 7160.3
7160
7 344.6
406
8 4.92 (2.94)
18}
I2 (3
5
t~ 1 L
;
. . . . . .
. f ~
.
2 -- -- -- 27 0.94 7080.9
5 31 1.02 7081.0 103 2.03 7082.0
10 72 1.66 7081.7 179 3.04 7083.0 228.3 5.06 (2.43)
5 25 141 2.33 7082.3 270 3.66 7083.7
50 207 3.28 7083.3 457 4.40 7084.4 381.6 5.58 (3.01)
100 298 3.80 7083.8 560 4.69 7084.7 450.1 5.80 (3.25)
~p - Peak discharge in cubic feel per second.
Yp - Depth at peak discharge in feet.
Zp - Water surface elevation at peak discharge, mean sea level.
C
J
2.5-20
~.