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Last modified
11/23/2009 12:58:25 PM
Creation date
10/4/2006 9:43:36 PM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
175
County
Gilpin
Community
Black Hawk
Stream Name
North Clear Creek, Gregory Gulch, Chase Gulch
Title
Floodplain Information Report - North Clear Creek, Gregory Gulch, Chase Gulch, Black Hawk, Colorado
Date
6/1/1980
Designation Date
5/1/1981
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Rd. <br />Point <br />1\llmb<-r <br /> <br />" <br /> <br /><0 <br /> <br />" <br /> <br />'" <br /> <br />" <br /> <br />" <br /> <br />" <br /> <br />" <br /> <br />13 <br /> <br />" <br /> <br />15 <br /> <br />" <br /> <br />17 <br /> <br />13 <br /> <br />Rd. <br />Point <br />Nnmber <br /> <br />13 <br /> <br />'" <br /> <br />]1 <br /> <br />" <br /> <br />" <br /> <br />"' <br /> <br />"' <br /> <br />Station <br />Fr. Mouth <br />(feet) <br /> <br />IB.~8 <br /> <br />21.23 <br /> <br />24.0/ <br /> <br />14.Q2 <br /> <br />24.Q" <br /> <br />2S.00 <br /> <br />2-6.~" <br /> <br />27+62 <br /> <br />n.lo <br /> <br />30.~O <br /> <br />32.08 <br /> <br />32+97 <br /> <br />ldentif. <br /> <br />33.',OALandoned <br />Brtd". <br /> <br />34.12 <br /> <br />Station <br />fr.Mollth <br />(feed <br /> <br />Jo.37 <br /> <br />37,33 <br /> <br />31'002 <br /> <br />3<l.Sl <br /> <br />:n <br /> <br />4l."9 <br /> <br />" <br /> <br />43.'1" <br /> <br />ldentif. <br /> <br />" <br /> <br />4).35 <br /> <br />4:,.65 G,-egory St. <br />Bridge <br /> <br />" <br /> <br />" <br /> <br />41.63 <br /> <br />;e <br /> <br />49.43 <br /> <br />" <br /> <br />51.23 <br /> <br />52.15 <br /> <br />53.20 <br /> <br />5l.95 Chas" St. <br />Brtdg~ <br /> <br />TABLE: 4 <br /> <br />FLOOD FREQUE:~CY ELEVATION AND DISCHARGE DATA <br />NORTKCLEARCREEK,BLACKHAWK,COLORAOO <br /> <br />StreamBed <br />Elevation <br />(ft.HSL) <br /> <br />791;9.40 <br /> <br />79/6.00 <br /> <br />791\6.60 <br /> <br />7989.10 <br /> <br />7989.20 <br /> <br />7'189.40 <br /> <br />79'11.'10 <br /> <br />79'15.20 <br /> <br />79'19.30 <br /> <br />8003.40 <br /> <br />801)9.00 <br /> <br />8009.84 <br /> <br />BOll.IO <br /> <br />BOll.50 <br /> <br />S';reamBed <br />F.leva'ion <br />(Ft. MSL) <br /> <br />:1019.60 <br /> <br />il021.7D <br /> <br />B02&.30 <br /> <br />1\030.90 <br /> <br />,,035.60 <br /> <br />,01.2.40 <br /> <br />'3045.40 <br /> <br />'3049.50 <br /> <br />d050.30 <br /> <br />3053.40 <br /> <br />'058.00 <br /> <br />3060.30 <br /> <br />1061.60 <br /> <br />3064.60 <br /> <br />10_Y~ar <br />Crest <br />Elevation <br />(ft.MSL) <br /> <br />7975.32 <br /> <br />7980.86 <br /> <br />7991.70 <br /> <br />7993.38 <br /> <br />7994.78 <br /> <br />7995.40 <br /> <br />7997.34 <br /> <br />8000.9') <br /> <br />6001.17 <br /> <br />8010.27 <br /> <br />8013.61 <br /> <br />8013.49 <br /> <br />8017.59 <br /> <br />8018.70 <br /> <br />Flood <br />P~ak <br />Discharge <br />(ets) <br /> <br />1250 <br /> <br />1250 <br /> <br />1250 <br /> <br />1250 <br /> <br />1250 <br /> <br />1250 <br /> <br />1195 <br /> <br />1195 <br /> <br />II95 <br /> <br />1195 <br /> <br />lt95 <br /> <br />lt95 <br /> <br />1195 <br /> <br />II95 <br /> <br />50_Year <br />Cre.t <br />Elevation <br />(Ft. MSL) <br /> <br />7976.07 <br /> <br />7981.94 <br /> <br />7992.55 <br /> <br />7995.07 <br /> <br />7996.74 <br /> <br />7996.02 <br /> <br />7998.44 <br /> <br />8001.95 <br /> <br />8001.96 <br /> <br />8013.06 <br /> <br />8015.05 <br /> <br />8015.07 <br /> <br />8021.43 <br /> <br />8021.21 <br /> <br />27 <br /> <br />~------ ~-' .-.---- <br /> <br />TABLE 4 <br /> <br />flood <br />Peak <br />Discharge <br />(cf.) <br /> <br />2250 <br /> <br />2250 <br /> <br />2250 <br /> <br />2250 <br /> <br />2250 <br /> <br />2250 <br /> <br />2155 <br /> <br />2155 <br /> <br />2155 <br /> <br />2155 <br /> <br />2155 <br />2155 <br /> <br />2155 <br /> <br />2155 <br /> <br />100_YearYlood <br />Crest Peak <br />Elevation DiochargQ <br />(ft. MSL) (cfs) <br /> <br />7976.34 <br /> <br />7981.92 <br /> <br />7992.61 <br /> <br />7995.10 <br /> <br />7991.00 <br /> <br />799&.32 <br /> <br />7998.71 <br /> <br />S002.26 <br /> <br />8002.20 <br /> <br />8013.15 <br /> <br />8015.62 <br /> <br />8015.73 <br /> <br />8021.66 <br /> <br />8021.90 <br /> <br />FlOODFRE:Ql!ENCY ELEVATION AND DISCHARGE DATA <br />NORTH CLEAR CREEK, BLACK HAWK, COLORADO <br /> <br />1O_Year <br />Crest <br />Elevation <br />(n. HSL) <br /> <br />&024.01 <br /> <br />8025.75 <br /> <br />B031.45 <br /> <br />8035.02 <br /> <br />804D..H <br /> <br />BO!.5.S2 <br /> <br />8054.GO <br /> <br />8054..51 <br /> <br />8055.35 <br /> <br />8058.73 <br /> <br />8062.84 <br /> <br />8065.29 <br /> <br />BOIj5.29:!- <br /> <br />8072.10 <br /> <br />flood <br />Peak <br />Discharge <br />(cfs) <br /> <br />1190 <br /> <br />1190 <br /> <br />1190 <br /> <br />1190 <br /> <br />1190 <br /> <br />1190 <br /> <br />1065 <br /> <br />1065 <br /> <br />1060 <br /> <br />lObO <br /> <br />lOW <br /> <br />1060 <br /> <br />1060 <br /> <br />1060 <br /> <br />50_Year <br />Crest <br />Elevation <br />(Ft.MSL) <br /> <br />8025.49 <br /> <br />8027.13 <br /> <br />8033.28 <br /> <br />8036.42 <br /> <br />8041.19 <br /> <br />8047.65 <br /> <br />8054.50 <br /> <br />805S.41 <br /> <br />8056.15 <br /> <br />8061.19 <br /> <br />8064.28 <br /> <br />8061.11 <br /> <br />S067.1E <br /> <br />B073.50 <br /> <br />" <br /> <br />Flood <br />Peak <br />Discharge <br /><Ch) <br /> <br />2148 <br /> <br />2148 <br /> <br />2148 <br /> <br />2148 <br /> <br />2148 <br /> <br />2148 <br /> <br />1930 <br /> <br />1930 <br /> <br />1925 <br /> <br />1925 <br /> <br />1925 <br /> <br />1925 <br /> <br />1925 <br /> <br />1925 <br /> <br />2640 <br /> <br />2640 <br /> <br />2640 <br /> <br />2640 <br /> <br />2640 <br /> <br />2640 <br /> <br />2535 <br /> <br />2535 <br /> <br />2535 <br /> <br />2535 <br /> <br />2535 <br /> <br />2535 <br /> <br />2535 <br /> <br />2535 <br /> <br />500_YearFlood <br />Crest Peak <br />Elevation Di~char!';e <br />{Ft.MSL) (cfs) <br /> <br />7977.37 <br /> <br />7982.78 <br /> <br />7993.39 <br /> <br />7995.41 <br /> <br />7998.08 <br /> <br />7991.37 <br /> <br />799~.84 <br /> <br />S004.21 <br /> <br />8003.:19 <br /> <br />8013.79 <br /> <br />8017.57 <br /> <br />8018.32 <br /> <br />8023.18 <br /> <br />8023.30 <br /> <br />100-Year Hood <br />Cr,,~t Peak <br />Elevation Di.charge <br />(Ft. MSL) (da) <br /> <br />8024.79 <br /> <br />8026.91 <br /> <br />8033.88 <br /> <br />8036.7S <br /> <br />8041.36 <br /> <br />804B.46 <br /> <br />80">4.70 <br /> <br />8055.80 <br /> <br />8055.88 <br /> <br />8063.33 <br /> <br />8064.09 <br /> <br />8068.60 <br /> <br />S068.60! <br /> <br />8073.70 <br /> <br />2528 <br /> <br />2528 <br /> <br />2">2S <br /> <br />2528 <br /> <br />2528 <br /> <br />2528 <br /> <br />22B5 <br /> <br />2285 <br /> <br />2280 <br /> <br />2280 <br /> <br />2280 <br /> <br />2280 <br /> <br />2280 <br /> <br />221\0 <br /> <br />4900 <br /> <br />4900 <br /> <br />4900 <br /> <br />4900 <br /> <br />1,'100 <br /> <br />4900 <br /> <br />4720 <br /> <br />4720 <br /> <br />4720 <br /> <br />4720 <br /> <br />4720 <br /> <br />4720 <br /> <br />4720 <br /> <br />4120 <br /> <br />-~.~- <br /> <br />500_Year Hood <br />Crest Peak <br />ElevaUon N"charf(e <br />(Ft.H$L) (efs) <br /> <br />8027.19 <br /> <br />8029.7; <br /> <br />8035.92 <br /> <br />8037.75 <br /> <br />8042.24 <br /> <br />8052.17 <br /> <br />8055.60 <br /> <br />8056.82 <br /> <br />B056.88 <br /> <br />8064.90 <br /> <br />8066.49 <br /> <br />8070.09 <br /> <br />8070.0n <br /> <br />8074.70 <br /> <br />4710 <br /> <br />4710 <br /> <br />4710 <br /> <br />4710 <br /> <br />4710 <br /> <br />4710 <br /> <br />43J() <br /> <br />4310 <br /> <br />4300 <br /> <br />1.300 <br /> <br />4300 <br /> <br />4300 <br /> <br />4300 <br /> <br />4300 <br />
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