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Civil Software Design -- SEDCAD+ Version 3.1 Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved. Company Name: COLOWYO COAL COMPANY Filename: C:\SEDCAD3\POND7 User: JUAN GARCIA Date: 12-14-1992 Time: 11:42:59 PROSPECT POND WATERSHED - JOINT COLOWYO & DMG MODELING EXERCISE Storm: 1.80 inches, 10 year-24 hour, SCS Type II Hydrograph Convolution Interval: 0.1 hr ELEVATION-AREA-CAPACITY-DISCHARGE TABLE ------------------------------------------- ------------------------------------------- J3, B1, S1 PROSPECT POND Drainage Area from J3, B1, S1, SWS(s)1-2: 22.9 acres Total Contributing Drainage Area: 747.6 acres SW#1: Drop Inlet SW#2: Emergency Spillway Elev Stage Area Capacity Discharge (ft) ------ (ac) ------- (ac-f t) - (cfs) -------- 6736.00 0.00 0.15 0.00 6736.00 0.00 0.15 0.00 6736.24 0.00 0.19 0.05 0.00 Top of Sediment Storage (0 Stage) 6737.00 0.76 0.30 0.18 0.00 6738.00 1.76 0.33 0.50 0.00 6739.00 2.76 0.35 0.84 0.00 6740.00 3.76 0.37 1.19 0.00 6741.00 4.76 0.38 1.57 0.00 6742.00 5.76 0.40 1.96 0.00 6743.00 6.76 0.44 2.38 0.00 6744.00 7.76 0.45 2.82 0.00 6745.00 8.76 0.48 3.28 0.00 6746.00 9.76 0.49 3.77 0.00 6747.00 10.76 0.51 4.27 0.00 6748.00 11.76 0.54 4.79 0.00 6749.00 12.76 0.58 5.35 0.00 6750.00 13.76 0.59 5.94 0.00 6751.00 14.76 0.61 6.53 0.00 6752.00 15.76 0.65 7.16 0.00 6752.10 15.86 0.65 7.23 0.00 Stage of SW#1 6752.27 16.02 0.65 7.34 0.66 Peak Stage 6753.00 16.76 0.66 7.82 3.59 Stage of SW#2 6753.54 17.30 0.68 8.18 16.75 6753.64 17.40 0.69 8.25 19.18 6753.74 17.50 0.69 8.32 23.52 6753.84 17.60 0.70 8.39 29.43 6753.94 17.70 0.70 8.46 35.26 6754.00 17.76 0.70 8.50 42.15 6754.44 18.20 0.72 8.81 73.62 6754.94 18.70 0.73 9.18 124.91 6755.00 18.76 0.73 9.22 136.63