FLOOD08751

• County: Delta
• Community: Unincorporated Delta County
• Stream Name: Surface Creek
• Basin: Gunnison
• Title: Supplemental 100-Year Flood Study, Suface Creek, Delta County, Colorado
• Date: 9/1/2001
• Prepared For: CWCB
• Prepared By: Gared Grube
• Floodplain - Doc Type: Floodplain Report/Masterplan

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T~BLE 3.--BASI~ AND STREAMfLOW.CriARAtTtRlSTICS--CO~TIN~ED

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7-DAY MEAN FLOCC VCLUME AND LO~-FLC~ VALUES

CVAlUES IN CUBIC fEET P;K SECC~O; YP=YE~KJ

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STATION FLOOD VCLUME LC~-FLC" VALUES
NUMBER

--i:YR-----S:YR----'O:YR----io:YR----SO:YR---ioc:YR

-~:yR-----5:ii----i6:ii----~6:ii----;6:ii---~55:ii-

-------- --------------------------------------------------- ---------------------------------------------------
09143500 133.8 220.0 292.5 375.1 503.6 618.4 1.8 C.9 C.5 0.4 C.2 0.1
0914400G 35.Y ,2.8 158.1 250.2 428.2 620.3 0.; 0.2 C.l 0.1 0.1
09144200 96.5 228.0 365.4 545.8 868.4 11>2.0 2.8 1.1 C.7 0.5 0.3 0.3
09144250 4571.5 8009.9 10723.4 13473.2' 17299.5 20354.0 ~88.e 273.9 228.5 1>6.9 166.8 149.3
09144500 175.6 221.8 248.1 270.3 297.3 315.3 6.4 5.1 ..6 4.3 4.0 3.8
09145000 611.4 851.3 103.9 1227.8 1508.8 1744.2 11.0 10.0 9. . 9.4 9.2 9.2
09145500 370.0 434.0 470.6 502.5 540.2, 506.5 4.6 4.1 3.8 3.7 3.5 3.4
09146000 909.0 1117.6 1247.1 1366.4 1515.9 1625.5 24.9 ~1.9 2C .. 19.2 17.8 16.9
09146200 770.0 988.7 1CB.4 1171.6 1249.1 1294.1 35.8 33.1 31. . 30.€ 29.7 29.0
09146400' 48.2 . 71.9 89.0 103.0 134. '2. 1~5.6 3.0 '2..7 '2..5 2.4 2.3 2.3

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~LO~-OUR~TION VALUES
(VALDES 'A~E IN -CDBIC FEET peR SECOhO; FCT=PERCEhTJ
--STATioN-------------------------------------------------~-------------
NLM88' 95 POT 90 POT '75 PCT 70,POT 50 PCT 25 POT' 10 POT

-09143500-----,:3------i:5------3:i------3:a------e:9-----3,:5-----74:5-
09144000 0.3 0;3 0.70.7 1.1 2.2 6.2
09144200 2.0 3.0 9.5 13.0 ' 20.0 ~3.0 55.0
09144250' 325.0 397.0 656.0' 760.0- 1270.0, 21~0.0 3210.0
09144500 6.2 7.0 9.2 10.0 14.0 32.0 82.0
09145000 13.0 15.0, 18.C 19.0 27.0 84.0 276.0
09145500 5.1 5.7 8.0 8.8 19.0 67.0 207.0
09146000 26.0 28.0 '34.0 37.0 6C.0 196.0 473.0
0,146200 ' 38.0 ,42.0 50.C 54.0 7$.0 173.0 412.0

-~~~~~~~~-----~:~-----_::~------~:~------~:~-----~:~-----~~:~----_:~:~-
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,PEAK FLOW STATISTICS (

(VALUES I~ CUBIC FEET PER SECOhO; YR=YEAR; ~RC=WATEk ~ESCLKCE5 COUNCIL]
STATicN----------------------------~RC:WEiGHTE6-?EAK-Flcw-esTIMATEs------------------------------
NUM8E' 1.25-" 2-'. 5-" 10-" 25-'~ 50-" 100-" 200-'. 500-"
09,43s0C-----'si:5-----2s5:5-----4i,:5-----s6,:c-----767:5---.-945:0----,,41:5----,360:c----,755:0
0914400C' 94.4 151.0 336.0 457.0 627.0 765.0 912.0 1070.0 1290.0
0914.20C 153.0 ~28.0 638.0 868.0 117C.0 1410.C 1.4(.0 1870.0 217C.0
0914425C 294C.0 5290.0 9340.0 12500.C 1090C~0 20500~0 243dc.0 21400.0 ~420C.0
091445(){ 202.0 261.0 326.0 361.0 "40"0.0 4'25';0, 447.0 467.0 491.0
0914500C 705.0 971.0 1370.0 1050.0 2020.0 2320.0 263(.0 2950.0 341C.0
0914550C 415.0 521.C 647.0 722.0 81C.0 e71.C 92C.O YC4.C 105C.C
O~1460CC 107C.C 144Q.G 192C.C 2210.C 257G.0 2t20.C 306t.O 3300.0 361(.0
,.091.6200 887.0 1160.0 1500.0 1700.0 1940.0 2100.0 225C.0 2390.0 2590.0
0914640C 52.3 81.1 126.0 159.C 203.0 238.C 275.0 314.0 36e.Q

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