FLOOD03875

• County: Arapahoe
• Community: Aurora
• Stream Name: Granby/Sable Ditch
• Basin: South Platte
• Title: Flood Hazard Area Delineation
• Date: 4/1/1977
• Prepared For: Arapahoe County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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A-6

FLOOOING SOURCE FLOOO PLAIN OAT A FLOOOWAY OATA
10ENTIFICATION STATIONI I OOy I 0 I SCHARGE 1 HAlWEG 100y r FLOOO 100YI FLOOO PLAIN FLOOOWAY WIOTH2 FLOOOWAY
CROSS SECTION
\CFS) lLEV. (MSL) ELEV. (MSL) WIOTH (FEET) LEFT (FT) RIGHT (FT) TOTAL (FT) ELEV. (MSL)
TOLLGATE
I 225
2 6+25 2520 5339.0 53~6.0 U/S 70 195 265 5H6.0
GRANBY DITCH
3 9+75 2665 5HO.0 53~6. ~ 730 45 350 395 53~6.7
3.5 11+20 1290 53~ I. 0 53~6.5 ~30 ~O 50 90 53~6.7
~ 13+90 1290 53~3.0 53~8. I 390 30 82 112 53~8. ~
5 18+10 1290 53 ~7 . 0 5351.5 110 20 60 80 53515
6 20+80 1290 53~9. 0 535~.~ 105 20 73 93 535~.~
7 22+25 1290 5350.0 5355.6 115 22 20 ~2 5355.6
8 25+55 I ~OO 5356.0 5361.9' O/S 365 20 25 ~5 5361.9
SABLE BLVD. 5368.8 U/S
9 26+75 1350 5359.0 390 21 30 51 5368.8
10 30+80 1350 5366.0 5371.7 38 16 22 3B 5371.7
II 32+55 1350 5369.0 53H.7 D/S 68 35 33 68 53H.9
EAGLE ST. 5376.6 U/S
12 33+70 1350 5371.5 215 12 68 80 5376.6
12.5 3~+~0 1350 5372.0 5376.7 180 15 90 105 5376.9
13 36+98 1350 53H.5 5378.2 210 70 50 120 537B.~
I~ 37+35 1350 53H.5 5378.3 205 75 63 138 5378.5
15 39+35 1350 . 5376.5 5379.2 168 60 77 137 5379.2
16 ~0+75 1300 5379.0 5381.2 220 21 I ~9 170 5381.2
17 ~2+00 1300 5379.5 5382.~ 195 90 ~O 13U 5382.~
18 ~3+75 1300 5381.0 5383.8 260 120 I ~O 260 53B3.8
19 ~5+20 1300 5382.0 538~. 3 188 172 16 188 538~. 3
20 ~8+00 1300 5H8.0 5387.6 59 ~O 19 59 5387.6
21 51 +80 1300 5388.0 5392.5 D/S 180 I ~O 10 150 5392. 5
MONTEVIEW BLVD. 5393.0 U/S
22 52+30 1300 5389.0 3~8 110 70 180 5393.0
23 56+35 1250 5391.0 5393.7 I ~9 69 80 I ~9 5394 1
2~ 59+35 125Q 5392.0 5399.0 335 20 16 36 5399.0
25 60+30 1250 5395 5~02. 9 D/S 528 ~7 10 57 5~03.0
CHAM8ERS ROAD 26 61+15 1250 5398 5~0~. ~ U/S 587 55 25 80 5~0~. ~
27 6~+80 1250 5399 5~0~. ~ ~95 188 70 258 5~0~. 8
28 68+35 1250 5~00 5~0~. 6 382 30 278 308 5~0~. 8

I. DISTANCE IN FEET ABOVE MOUTH.

2. FROM CENTER OF CHANNEL LOOKING DOWNSTREAM.

3. AREA BETWEEN FIRST AND SECOND DISTANCE IS
EXCLUDED FROM FLOOOWAY.

FLOOD PLAIN AND FLOODWAY REFERENCE DATA

URBAN DRAINAGE a FLOOO CONTROL DISTRICT

SABLE

DITCH

FLOOD HAZARD AREA DELINEATION
CITY OF AURORA

TABLE VI