FLOOD07627

• Designation Number: 220
• County: Douglas
• Community: Unincorporated Douglas County
• Stream Name: Marcy Gulch
• Basin: South Platte
• Title: Flood Hazard Area Delineation - Marcy Gulch
• Date: 2/1/1983
• Designation Date: 3/1/1984
• Floodplain - Doc Type: Floodplain Report/Masterplan

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FLOODING SOURCE FLOOD PLAIN DATA FLOODWAY DATA(I)
CROSS STATION QIOO STREAM IOOYR. IOOYR. 100 YR. FLOODWAY WIDTH (FT}(Z) FLOODWAY
IDENTIFICATION (FT) BED ELEV. FLOOD ELEV. ELEV.
SECTION (CFS) (MSL) (MSL) WIDTH (FT) R. BANK L. BANK TOTAL (MSL)
91 206 + 60 1980 5656.2 5661.1 77 .4
92 208 + 60 1980 5658.6 5662.9 136.6
93 211 + 90 1980 5662.5 5666.5 152.0
94 214 + 73 1980 5666.6 5670.4 165.4
95 217 + 00 1980 5668.8 5573.0 91.4
96 219 + 40 1980 5672.3 5677 .0 98.0
97 222 + 00 1980 5675.8 ~S79.9 157.0
98 224 + 00 1980 5677.9 5582.0 93.0
99 226 + 00 1980 5680.2 - 5684.9 91.0
100 228 + 00 1980 5682.9 5688. 2 68.2
101 230 + 40 1980 5686.8 5691. 5 90.2
Confluence with Reach 3 102 233 + 13 1980 5699.2 5701.8 285.9
103 235 + 00 708 5693.2 5702.8 87.S
104 237 + 60 708 5700.2 5702.9 57.4
105 239 + 80 708 5704.9 5707.1 113.2
106 242 + 40 708 5710.0 5712.7 46.8
107 244 + 60 708 5712.0 5715.5 39.7
108 247 + 00 708 5718.0 5720.7 144.7
109 249 + 00 708 5721.6 5724.7 44.1
110 251 + 80 708 5725.3 5728.7 38.1
111 253 + 80 708 5733.3 5732.2 39.4 I
112 256 + 00 708 ,5733.2 5736.5 41.6 I
113 257 + 80 708 5736.0 5740.1 30.9 I
114 260 + 20 708 5739.4 57~3. 0 41. 7 I
115 262 + 60 708 5744.3 5747.3 45.3 I
116 263 + 80 708 5751. 7 5754.5 85.0 I
117 265 + 00 708 5744.9 5755.4 122.1
118 266 + 80 708 5752.3 5755.2 43.1
119 270 + 00 708 5757.4 5760.1 59.4
120 271 + 80 708 5759.7 5762.4 44.4

(1) Floodway data an; based on encroachment causing up to 0.5 ft. vertical rise in th~ 1O~'-\"0r ;'.[lJrl ,"I eVe.: ;u'.
Where floodway data are not given they shall be assumed to be identical to the flooo plain data.

(2) Left and right distances are measured from the center of the flowline of the channel looking downstre&".

Jock G. /boo Company
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URBAN DRAINAGE AND FLOOD CONTROL DISTRICT
FLOOD HAZARD AREA DELINEATION
DOUGLAS COUNTY

MARCY GULCH

TABLE 3
SHE:ET 0

FLOOD PLAIN AND FLOODWAY REFERENCE DATA

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