FLOOD09310

• County: Adams
• Community: Adams County
• Stream Name: Todd Creek
• Basin: South Platte
• Title: Flood Hazard Area Delineation
• Date: 12/1/1985
• Prepared For: Adams County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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FLOODING SOURCE 100- YEAR FLOODPLAIN DATA FLOODWAY DATA
CROSS STATION I 100 Y', DISCHARGE THALWEG FLOODPLAIN VEL. 2 FLOODWAY WIDTH 3 VEL. 4 FLOODWAY
IDENTIFICATION FLOOD ELEV. (MSL)
SECTION (CFS) ELEV. (MSL) WIDTH (Ft.> (FPS) LEFT (Ft) RIGHT (Ft.) TOTAL (Ft.> (FPS) REV, (MSL)
71 212+30 2640 fim.7 5104.2 170 7.7 25 72 97 6.3 5104.7
70 208+10 2640 5097.9 5103.0 305 3.2 120 40 160 3.6 5103.1
69 203+00 2640 (5097.0) 5102.6 3Xl 2.0 *
68 198+00 2800 (5096.0) 5102.4 415 1.3 *
67 192+70 2800 (5095.0) 5102.4 1460 0.7 *
Confl uence T ri b #2 66 187+10 4310 (5093.0) 5102.4 1360 0.8 *
Reservoir Errbankrrent 65 186+20 4310 5098.2 5101.2 1420** 8.1 *
64 184+00 4400 5074.2 5079.8 160+ 10.8 *
63 179fOO 4400 (5070.0) 5079.2 3Xl# 2.0 *
62 173+15 4400 (5<Xi8.0) 5079.2 630 0.9 *
Reservoir Errbanknent 61 172~5 4400 5071.2 5078.4 675 7.7 *
60 172+00 459) 5062.2 5067.0 400++ 7.6 83 43 126 8.2 5067.2
59 167+85 4590 ffJ57.8 5063.7 230 7.9 117 53 170 6.4 5064.1
58 163+45 459) 5055.7 5061.3 310 6.5 46 112 158 6.2 5061.7
Yosenite Street 57 158t90 4780 5051.7 ffJ59.1 320 6.4 150 50 200 5.2 5059.6
55 157+00 4780 5051.5 5056.2 220 8.3 114 30 144 8.1 5056.5
54 153+25 4780 5047.0 ffJ52.9 340 5.5 44 181 225 5.2 5053.1
53 147+50 4780 5042.7 5049.6 240 7.9 123 37 160 6.7 5049.9
52 143+10 4970 5039.9 5047.0 230 7.6 44 118 162 7.0 5047.1
51 139+35 4970 5037.6 5045.7 300 5.4 125 56 181 5.1 5045.8
50 136+00 4970 (5035.6) 5044.3 380 4.7 *
Confl uence T ri b #1, 49 128+20 8040 (5033.0) 5043.7 515 1.9 *
Reservoi r Errbanknent 48 127+80 8040 5039 .3 5042.7 500 8.3 *
47 127+25 8130 flJ2.7.4 5036.2 445++ 5.6 322 16 338 5.9 5036.6
46 122+00 8130 5025.9 5034.9 220 7.6 65 105 170 6.8 5035.3

1 Di stance in feet above confl uence
2 ~an velocity in channel
3 Fran channel station line looking doNnstrean
4 ~an velocity in flooct.-lay

* Includes spillway floodplain
( ) Estimated reservoi r bottan
** Width includes island area(s) and/or other high ground be'bt.een outer floodplain boundaries
+ Width does not include spillway floodplain
* Flooct.-lay width = floodplain width
# [bes not include ineffective flOll area in ri ht overbank

URBAN DRAINAGE a FLOOD CONTROL DISTRICT

FLOODPLAIN AND FLOODWAY
REFERENCE DATA
TODD CREEK MAIN STEM

TABLE
V

MULLER ENGINEERING COMPANY. INC.

CONSULTING ENGINEERS
7000 WEST FOURTEENTH AVENUE
LAKEWOOD, COLORADO 80215
[phone]

FLOOD HAZARD AREA DELINEATION
ADAMS COUNTY, COLORADO

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