FLOOD10207

• Designation Number: 503
• County: Jefferson
• Community: Unincorporated Jefferson County
• Stream Name: Woman Creek, Walnut, Upper Big Dry and Rock Creek
• Basin: South Platte
• Title: Drainage & Flood Control Master Plan - Rocky Flats Plant
• Date: 4/1/1992
• Designation Date: 9/1/1999
• Floodplain - Doc Type: Floodplain Report/Masterplan

TABLE 1V.7

SUMMARY OF PEAK FLOW AND RUNOFF VOLUME FOR SWMM ELEMENI'S'
PRESENT DEVELOPMENT CONDITIONS (6-Hour Stonn)

Table IV.? (Continued)

- ......- Dnl_ :z.v.or _ $o-Year ETeat to-Year Emtt zs..Year EYaIt !O-,..._ l8O-y..,. EftllI
-- (I'Iaa_ - V Q V Q 'C
N"'- 'l"tr', H-) (......) Q. V Q V Q V Q
("') (AF) ("') (AF) ("') (AF) ("') (AF) ("') (AF) ("') (1Ir1
138 WADIV3 160 0 0 0 0 0 0 0 0 6 2 26 6
139 WALl 154 0 0 0 0 0 0 0 0 6 2 23 6
140 WA3 1,120 220 36 430 60 640 87 1,100 128 1,300 155 1,700 186
141 WA6 269 6 1 37 6 76 12 150 21 190 27 250 34
142 WAS 26 0 0 0 0 0 0 0 0 1 0 6 1
143 WA3 371 85 13 160 21 240 29 420 44 520 53 650 64
147 WA 12 237 100 11 160 16 220 21 370 30 440 36 550 44
148 WA13 m 8 1 11 2 20 2 54 5 72 7 97 10
149 WA14 26 1 0 1 0 4 0 20 1 28 2 39 3
150 WA3 480 140 22 250 33 360 46 580 63 700 75 8m 88
151 SWAl 346 140 22 230 31 310 40 470 52 560 61 690 71
157 SWAt 141 68 11 98 15 120 18 180 22 210 26 260 30
158 SWA2 141 68 11 98 15 120 18 180 22 210 26 260 30
159 WA7 38 1 0 3 0 11 1 31 3 41 4 56 5
160 CSWAA 115 74 11 100 15 130 18 190 22 220 25 260 29
161 CSWA B 109 87 10 120 13 160 17 230 21 270 24 320 27
162 CWAB 11 9 1 13 1 15 1 22 2 27 2 34 2
163 CWAA 15 11 1 19 1 25 2 35 2 42 2 50 3
164 CWAC 117 86 9 120 12 17{) 15 250 20 300 23 350 26
165 CWADIV 2 29 39 3 54 4 66 5 87 7 100 8 120 9
166 CWADIV 1 20 24 2 33 3 41 3 54 4 63 5 72 5
167 WADIV2 11 7 1 11 1 13 1 19 2 24 2 30 2
168 WADIV 2 326 51 5 74 7 90 8 130 12 170 17 240 25
169 WAll 371 87 13 160 21 240 29 420 44 520 53 650 64
1m SWA3 173 80 10 140 15 190 20 300 27 360 31 430 36
348 WADIY 2 486 51 5 74 7 90 8 130 12 1m 19 240 31
356 WA1 2,131 230 41 4m 71 730 105 1,300 162 1,600 205 2,100 262
359 WA2 953 25 5 50 9 95 15 190 29 270 44 420 68
362 WA5 698 28 5 42 7 54 8 80 12 120 22 220 38
369 WAll 250 110 12 1m 17 240 22 390 32 4m 38 580 46
372 WA12 198 100 11 150 15 200 19 310 27 380 32 460 39
374 WAl2 128 95 10 140 13 190 17 280 22 330 25 400 29
375 SWAt 314 140 21 220 30 300 38 450 49 540 57 650 .~.ii
<, , (; +,.H;;(.~: ',< .'. .' .:: qq. , .,c,' .".
185 I RC1 1,862 68 19 94 24 2m 60 660 122 II 890 163 1,200 215
186 I RC2 224 0 0 0 0 0 0 0 011 33 2 99 8

SWMM Loa... Dnl_ j;.y......''" . .....Imlt t&oY... EYeat ";vWlmlt !O-,..._ loo.YearEftlit
-. (Plan Basin ..... V
-..... Designation) (acres) Q V Q V Q V Q V Q V Q
(ello) (Ar) ("') (AF) ("') (Ar) ("') (AF) ("') (AF) ("') (AF)
STANDLEY lAKE BASiN
105 SL4 2,995 XI 12 240 68 530 135 970 ill 1,300 291 1,700 3n
106 SL5 1,261 32 10 130 30 250 53 440 84 580 109 800 144
107 SL6 877 54 10 200 30 350 53 610 84 760 105 970 130
108 WI 2,880 29 9 150 30 3m 78 830 162 1,100 221 1,600 301
109 SWl 986 15 5 39 9 120 31 300 67 400 90 550 117
110 SW2 813 20 5 29 6 98 23 250 53 340 72 4m 94
111 SW3 64 52 5 71 6 85 8 120 10 140 12 1m 13
112 WI 1,702 11 2 86 15 200 37 440 77 600 109 8W 156
H3 W2 1,414 10 1 62 7 130 22 320 52 460 77 690 116
114 W3 1,37Q 9 1 51 6 110 20 300 48 430 72 660 110
115 W4 154 0 0 0 0 21 4 62 9 85 13 120 17
116 W5 1,113 0 0 20 3 61 10 190 30 290 47 480 78
117 W7 230 0 0 0 0 0 0 52 8 87 12 140 19
118 W6 749 0 0 0 0 25 4 71 11 120 21 240 41
119 WOMI 570 0 0 0 0 0 0 0 0 31 6 130 21
120 DIVl 192 6 2 39 6 77 10 150 18 190 22 250 28
121 DIV2 173 6 2 33 5 66 9 130 16 1m 20 220 25
122 DIY 3 % 6 2 23 4 41 6 72 10 90 12 120 15
123 W9 83 10 1 35 3 56 5 100 8 120 10 150 12
124 WlO 186 10 2 36 6 65 11 110 18 140 22 180 28
180 WI 192 5 2 28 6 62 10 120 18 160 22 210 28
181 SL4a 519 52 5 180 17 290 30 520 49 640 61 790 76
312 W3 I,U7 0 0 20 3 81 14 250 39 3m 60 590 95
315 W5 979 0 0 0 0 25 4 120 19 210 33 3m 60
126 WA 10 134 1 0 24 3 48 7 92 11 120 14 150 18
127 WA9 64 1 0 15 2 28 3 55 5 69 7 89 9
129 WA1 2,374 210 42 480 78 800 118 1,400 183 1,800 232 2,300 296
130 WA2 1,011 23 5 52 11 100 18 210 34 300 50 460 76
131 WA4 160 0 0 0 0 15 3 60 9 86 12 120 17
132 WA5 794 25 5 50 9 80 12 130 20 190 32 300 51
133 WA15 147 0 0 0 0 0 0 0 0 6 2 23 5
134 WADIV 4 550 28 5 42 1 54 8 78 12 120 20 210 33
135 WADIY 1 538 37 5 54 1 67 8 100 12 140 20 220 33
136 WADIV2 294 24 2 34 3 42 3 56 5 87 9 150 16
137 WADIV 2 160 0 0 0 0 0 0 0 0 4 2 19 6

The values listed are the peak flow and volume of runoff occurring at the downstream end of the SWMM element.

l See Figure IV-2 for location of design point and FIgUre IV.l for SWMM model schematic.