FLOOD04017

• County: Jefferson
• County: Denver
• Community: Columbine Valley, Denver
• Stream Name: Dutch Creek, Lilley Gulch, Coon Creek,
• Basin: South Platte
• Title: Flood Hazard Area Delineation
• Date: 5/1/1978
• Prepared For: Jefferson County / Arapahoe County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE

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FLOOD PLA I N

AND FLOODWAY REFERENCE DATA

BASIN DRAINAGEWAY INFORMATION 100 YEAR FLOOD PLAIN DATA FLOODWAY DATA
REACH I DENT I F I CAT I ON CROSS STAT I 0Jl> FLOWLINE 100 YR. DISCHARGE WATER SURFACE TOP WIDTH FLOODWAY TOP WIDTH (J) WATE R SURFACE
AND LOCATION SECT ION ELEVATION (ds) FLOOD ELEVATION ( FEET) LEFT (FT) RIGHT (FT) TOTAL (FT) FLOOD\JAY ELEV.
NORTH BRANCH LILLEY GU LCH 401 1 + 30 5492.8 118 5593.3 Sheet Flov Street Section
402 I + 55 5487.7 118 5593.3 45 (3)
403 3 + 60 5500.3 118 5501.8 30 (3)
404 5 + 65 5509.6 118 5511. 3 27 (3)
405 7 + 00 5514.4 118 5516.3 22 (3)
406 8 + 25 5514.5 118 5516.9 270 100 95 195 5516.9 (4)
407 12 + 80 5518.7 118 5519.8 200 20 140 160 5519.8 (4)
408 19 + 90 5526.5 118 5527.8 72 (3)
409 38 + 50 5526.6 700 5529.4 199 (3)
410 43 + 80 5532.1 700 5535.1 55 Ditch Section
411. I 45 + 20 5543.5 200 5544.7 Undefined Street Section
412 45 + 60 5535.1 700 5544.9 306 Ditch Section
413 47 + 45 5539.2 500 5544.8 53 (3)
414 50 + 70 5548.0 400 5550.9 38 (3)
415 53 + 90 5551.5 400 5554.8 45 (3)
416 58 + 50 5555.3 400 5557.8 83 50 20 70 5557.8 (4)
417.1 62 + 20 5563.5 400 5564.7 118 Dam Section
418 66 + 20 5569.0 400 5570.4 175 60 95 155 5570.5 (4)
419 70 + 10 5574.3 400 5575.7 145 60 46 100 5576.1 (4)
419.5 72 + 25 5580.8 300 5581.6 155 Dam Section
420 74 + 15 5581.9 300 5583.3 260 120 80 200 5583.4 (4)
421 76 + 27 5585.3 300 5587.5 50 (3)
HOLLAND WAY 422 81 + 40 5599.3 150 5599.8 178 Street Section
423 82 + 20 5594.4 250 5600.0 80 50 25 75 5600.0 (4)
424 87 + 46 5611.9 250 5613.1 121 45 15 60 5613.3 (4)
425 90 + 95 5617.5 250 5618.7 425 55 80 135 5618.7 (4)
427 92 + 70 5621.8 250 5627.8 455 Pond Section
430 98 + 90 5647.5 250 5648.8 25 (3)

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(I) DISTANCE IN FEET, ABOVE MOUTH OR TRIBUTARY INTERSECTION.
(2) LIMITS ARE DEFINED BY DISTANCES LEFT AND RIGHT OF REFERENCE LINE LOOKING DOWNSTREAM.
(3) FLOWS ARE CONTAINED IN CHANNEL. FLOODWAY DATA NOT PROVIDED.

(4) FLOODWAY DATA DETERMINED USING JEFFERSON COUNTY CRITERIA
(5) FLOOOWAY DATA DETERMINED USING UD & FeD CRITERIA.
(6) FLOODWAY SAME AS MAIN FLOW AREA OF FLOOD PLAIN

URBAN DRAINAGE & FLOOD CONTROL DISTRICT
FLOOD HAZARD AREA DELINEATION
URS COl1PANY