FLOOD09313

• County: Denver
• Community: Denver
• Stream Name: Marston Lake North
• Basin: South Platte
• Title: Major Drainageway Planning
• Date: 10/1/1979
• Prepared For: Denver
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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7

800

1200.

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1000
100 - YR. PEAK RUNOFF 100 - YR. PEAK RUNOFF
DISCHARGE VOLUME DISCHARGE VOLUME
600 (CFS) (AC-FT) (CFS) (AC-FT)
100 - YR. 740 65 600 100 - YR. 1140 155
"' 10-YR. 440 42 "' ("- 10-YR. 760 99
"- "-
~ g
2 -YR. 170 22 10 - YR. \ 2-YR. 230 36
'" ,-, '"
~ 400 \ ~ 600 \
.. .. I
:I: 10 - YR. :I:
'-' '-' \
'" I \ '"
0 0 I
\ 400 '"
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200 " "
....-.... ........... 2- YR. ~--, """'-
.. 200
........ / ....
..... --- ..... --
........ - Ij/ ........... -
............. ----- --
------ -- --------
-------- /
0 0
0 20 40 60 60 100 120 140 160 180 200 0 20 40 60 80 100 120 140 160 180 200
TIME PERIOD (MINUTES) TIME PERIOD (MINUTES)
A. LAKES LAKE C.MARSTON WATER TREATMENT PLANT
1200 1600
1400
1000
100 - YR. PEAK RUNOFF 100 - YR. PEAK RUNOFF
DISCHARGE VOLUME 1200 DISCHARGE VOLUME
(CFS) (AC-FT) (CFS) (AC-FTI
800 100-YR. 1040 132 100-YR. 1410 189
"' 10-YR. 88 "' 1000 10 -YR. 860 116
"- 680 "-
g r,\ g
2 -YR. 210 35 --'\ 2 -YR. 270 42
'" lll600
~ 600 I \ a:: 10 - YR.
.. 10 - YR. .. \
:I: :I: /
'-' '-'
'" \ '"
0 I 0600 / "-
400
I "" ",
400 /
I ~-- ............ ............
200 2-YR. Y / - ---
_...... -- --
200 --
-....... --- ........ --
'1/ ......- ........
--- ------ ---
/ -------
0 0
0 20 40 60 80 100 120 140 160 ISO 200 0 20 40 60 60 100 120 140 160 180 200
TIME PERIOD (MINUTES) TIME PERIOD (MINUTES)
B. DOWNSTREAM OF COLO. 121 D. BEAR CREEK PARK

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FIGURE I. STORM HYDROGRAPHS