FLOOD10503 ‎(2)‎

• County: Clear Creek
• Basin: South Platte
• Title: Clear Creek County Hydrologic Analysis Document Correspondence
• Date: 2/1/1998
• Floodplain - Doc Type: Educational/Technical/Reference Information

) West Fork Clear Creek at dls end of Empire
(Approx. 600' dls of Bard Creek confluence with West Fork)
Recurrence Mean
Interval Regression D.A. Slope Peak Flow
(years) Equation (sq. mi.) (ftIft ) (cfs)
2 Q=11.0(A)^.663*(S+ 1 )^3.465 55.3 0.413 521
5 Q=17.9(A)^.677*(S+ 1 )^2. 739 55.3 0.413 698
10 Q=23.0(A)^.685*(S+ 1 )^2.364 55.3 0.413 814
50 Q=34.5(A)^.700*(S+1)^1.768 55.3 0.413 1055
100 Q=39.5(A)^.706*(S+ 1 )^1.577 55.3 0.413 1158
500 Q=51.5(A)^.715*(S+ 1 )^1.209 55.3 0.413 1378
Clear Creek just upstream of the confluence with South Clear Creek
Recurrence Mean
Interval Regression D.A. Slope Peak Flow
(years) Equation (sq. mi.) (ftIft) (cfs)
2 Q=11.0(A)^.663*(S+ 1 )^3.465 47.9 0.425 488
5 Q=17.9(A)^.677*(S+ 1 )^2.739 47.9 0.425 648
10 Q=23.0(A)^.685*(S+ 1 )^2.364 47.9 0.425 752
50 Q=34.5(A)^.700*(S+ 1 )^1.768 47.9 0.425 968
100 Q=39.5(A)^.706*(S+ 1 )^1.577 47.9 . 0.425 1060
500 Q=51.5(A)^.715*(S+1 )^1.209 47.9 0.425 1257
Clear Creek just downstream of the confluence with South Clear Creek
Recurrence Mean
Interval Regression D.A. Slope Peak Flow
(years) Equation (sq. mi.) (ftIft ) (cfs)
2 Q=11.0(A)^.663*(S+ 1 )^3.465 78.6 0.385 614
5 Q=17.9(A)^.677*(S+ 1 )^2. 739 78.6 0.385 838
10 Q=23.0(A)^.685*(S+ 1 )^2.364 78.6 0.385 987
50 Q=34.5(A)^.700*(S+ 1 )^1.768 78.6 0.385 1302
100 Q=39.5(A)^.706*(S+ 1 )^1.577 78.6 0.385 1438
500 Q=51.5(A)^.715*(S+ 1 )^1.209 78.6 0.385 1730