FLOOD00230

• Designation Number: 121
• County: Adams
• County: Arapahoe
• County: Douglas
• Community: Denver Metro Region
• Stream Name: Massey Draw and North Tributary
• Title: FHAD - Massey Draw and North Tributary, SJCD South 6200 and Tributaries, Jefferson and Arapahoe Counties, CO
• Date: 5/1/1978
• Designation Date: 11/1/1978
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Table 111-6
FLOOD VOLUME SUMMARY 1
All Values In Acre-Feet
Design2 DEVELOPED CONDITION
Point. 2 year 5 year 10 year 50 year 100 year
1 89.7 147.5 279.0 368.6 426.4
2 89.7 147.5 279.0 368.6 426.4
3 68.0 127.6 220.4 294.1 333.0
4 48.7 90.3 152.4 204.7 231.7
5 48.7 86.6 142.7 190.4 214.5
B2 15.7 28.5 47.8 64.0 72.3
6 33.0 58.1 94.9 126.4 142.2
7 20.0 34.9 56.5 75.1 84.4
E2 4.6 8.6 14.7 19.8 22.3
8 15.4 26.3 41.8 55.3 62.1
9 24.3 41. 9 68.2 92.3 104.6
10 11.3 20.9 35.9 48.3 54.6
11 101. 3 162.1 239.3 337.2 394.0
12 75.2 121. 4 179.1 256.3 302.4
13 30.4 46.9 61.8 95.1 118.5
143 125.6 204.0 307.5 429.5 498.6

3500

3000

2500
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r>l 2000
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1500

NOTE:

1.

Table assumes all of sub-basin A contributes between
design points 3 and 4.
Design points located on Plate 1.
Neglects tributary area below Wadsworth Boulevard.

1000

2.
3.

500

7
Figure 111-1

FLOOD HYDROGRApHS
SJCD (SO) 6200 AT NEVADA
Future Development
Design Point 2

DITCH

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100

200

250

300

50

150

TIME (in minutes)

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Leonard Rice Consulting Water Engineers, Inc.